Texas Horned Lizard (Phrynosoma cornutum) Care Sheet
The Texas Horned Lizard (Phrynosoma cornutum) is one of North America’s most distinctive reptiles. Its broad flattened body, prominent cranial horns and heavily keeled scales give it an appearance unlike almost any other commonly recognised lizard.
It is sometimes called the “horned toad” or “horny toad”, but it is a true lizard belonging to the family Phrynosomatidae.
Despite its familiar appearance, the Texas Horned Lizard is not a straightforward pet species. Its husbandry is substantially more specialised than that of many desert lizards because its natural diet is dominated by ants—particularly harvester ants—and because wild populations are legally protected in parts of their range.
This is therefore a species for experienced specialist keepers who can provide:
- A large terrestrial enclosure
- Deep naturalistic substrate
- Extremely bright daytime lighting
- Strong but appropriately controlled UVB
- High basking temperatures
- Large cooler retreats
- Very low daytime humidity with access to locally more humid substrate
- A biologically appropriate diet containing suitable ants
- Minimal handling
- Completely legal, documented captive-bred provenance
Wild animals should never be collected for the pet trade.
Quick facts
Scientific name: Phrynosoma cornutum
Common names: Texas Horned Lizard, Greater Short-Horned Toad, Horned Toad, Horny Toad
Family: Phrynosomatidae
Distribution: South-central United States and northern Mexico
Lifestyle: Terrestrial
Activity: Diurnal
Adult size: Commonly approximately 9–13 cm (3½–5 in) snout-to-vent length; females are generally larger than males
Diet: Highly specialised insectivore, strongly dominated by ants
Day ambient temperature: Approximately 25–30°C (77–86°F)
Basking surface: Approximately 38–43°C (100–110°F)
Cool area: Approximately 22–26°C (72–79°F)
Night temperature: Approximately 16–22°C (61–72°F)
Day humidity: Generally approximately 30–50%, with locally more humid substrate retreats
UVB: Essential for high-quality long-term husbandry
Suggested basking UVI: Approximately 4–6, with extensive lower-UV and shaded retreats
Adult enclosure: At least approximately 120 × 60 × 60 cm (4 × 2 × 2 ft) for one adult; larger strongly preferred
Housing: Individual housing safest
Reproduction: Egg-laying
Handling: Minimal
Experience level: Advanced/specialist
Major challenge: Appropriate ant-based nutrition and legal availability
Identification
Texas Horned Lizards possess a distinctive:
- Broad flattened body
- Short neck
- Wide head
- Long cranial horns
- Spiny lateral scales
- Shorter tail than most similarly sized lizards
Their colour usually reflects the local substrate.
Individuals may be:
- Sandy
- Grey
- Reddish
- Brown
with darker markings across the body.
This cryptic colouration makes resting animals extremely difficult to detect against natural soil.
Sexual dimorphism
Females are generally:
larger than males.
Adult males typically possess:
- More obvious femoral pores
- Enlarged post-anal scales
- A broader tail base
Sex should be determined from several characteristics rather than body size alone.
Natural distribution
The Texas Horned Lizard has a broad native distribution extending through parts of:
- Texas
- Oklahoma
- Kansas
- Colorado
- New Mexico
- Arizona
and southward into:
Mexico.
Populations have declined or disappeared from portions of their historical range.
Natural habitat
Texas Horned Lizards inhabit relatively open, dry environments including:
- Shortgrass prairie
- Desert grassland
- Semi-arid scrub
- Sandy plains
- Open woodland
- Agricultural margins
Suitable habitat generally contains:
- Loose soil
- Sparse vegetation
- Strong sunlight
- Open basking areas
- Patches of shade
- Abundant ants
Relationship with ants
The distribution of suitable ant prey is closely connected with the ecology of the species.
Texas Horned Lizards are particularly associated with:
harvester ants.
This dietary specialisation is one of the main reasons the species is challenging to maintain correctly in captivity.
Activity
Texas Horned Lizards are:
diurnal.
They typically emerge during suitable daytime temperatures to:
- Bask
- Feed
- Move between ant colonies
- Seek mates
Daily temperature management
During very hot conditions, activity may shift toward:
- Morning
- Late afternoon
Animals may retreat underground or into shade during extreme midday heat.
Captive animals must similarly be able to:
escape the basking temperature completely.
Burrowing
Texas Horned Lizards readily:
- Dig
- Partially bury themselves
- Shelter beneath substrate
Deep loose substrate is therefore essential.
Seasonal dormancy
Across colder portions of the range, Texas Horned Lizards spend winter:
underground in dormancy.
The duration and severity of winter cooling vary geographically.
Brumation
Seasonal cooling may be useful or necessary for breeding animals from populations adapted to colder winters.
However:
brumation should never be improvised.
Only healthy animals with known history should undergo controlled seasonal cooling.
Defence
Texas Horned Lizards use several defensive strategies.
These include:
- Remaining motionless
- Cryptic colouration
- Flattening the body
- Inflating the body
- Presenting cranial horns
- Running short distances
Blood-squirting defence
One of the species’ most remarkable defensive behaviours is the ability to eject blood from vessels around the eyes.
The blood may be directed toward predators, particularly:
canids.
This behaviour is a specialised natural defence and should never be deliberately provoked in captivity.
Temperament
Texas Horned Lizards are generally not aggressive toward humans.
However, tolerance of handling does not mean handling is beneficial.
They are best regarded as:
observation animals.
Handling
Keep handling to:
an absolute minimum.
Unnecessary handling may:
- Interrupt thermoregulation
- Increase stress
- Disturb feeding
- Trigger defensive behaviour
Enclosure size
For one adult, provide at least approximately:
120 × 60 × 60 cm (4 × 2 × 2 ft).
Preferred enclosure
Approximately:
150 × 60 × 60 cm (5 × 2 × 2 ft)
or larger is strongly preferred.
The additional floor space allows:
- Better thermal gradients
- More substrate variation
- Multiple feeding locations
- Greater exercise
- More natural foraging
Floor space matters
This is primarily a:
terrestrial species.
Floor area is substantially more important than excessive height.
Enclosure security
Although they are not accomplished climbers, doors and ventilation should still be securely fitted.
Feeder insects must also be prevented from escaping into the room.
Substrate
Substrate is one of the most important parts of the enclosure.
Provide a naturalistic mixture containing:
- Washed sand
- Sandy topsoil
- Clay-rich soil
The substrate should allow:
- Digging
- Partial burial
- Normal locomotion
Avoid pure loose sand
Pure dry sand can be:
- Unstable
- Difficult to form burrows in
- Poor at maintaining underground moisture gradients
A natural soil/sand mixture is preferable.
Substrate depth
Provide at least:
10–15 cm (4–6 in)
across most of the enclosure.
Deeper areas
Provide sections approximately:
20–25 cm (8–10 in)
deep where possible.
Substrate moisture gradient
The exposed surface should generally remain:
dry.
Deeper substrate can retain slightly more moisture.
This allows the lizard to choose its preferred microclimate.
Furnishings
Provide:
- Flat rocks
- Low cork pieces
- Dry branches
- Tufts of safe grasses
- Small shrubs
- Leaf litter in selected areas
Open space
Do not fill the entire enclosure with décor.
Texas Horned Lizards naturally use:
open ground.
Shade
Provide several shaded areas beneath:
- Cork
- Rocks
- Plants
Heavy objects
Any heavy rocks must be supported directly from the enclosure base rather than simply resting on deep loose substrate.
This prevents burrowing animals from becoming trapped beneath collapsing décor.
Temperature
Texas Horned Lizards require intense local warmth combined with a substantial thermal gradient.
Day ambient temperature
Maintain much of the enclosure around:
25–30°C (77–86°F).
Basking surface
Provide an exposed basking surface around:
38–43°C (100–110°F).
Cool area
Maintain a cooler region around:
22–26°C (72–79°F).
Why the cool zone matters
A desert lizard does not need to remain hot continuously.
Wild animals escape excessive heat by:
- Entering shade
- Burrowing
- Changing activity time
The enclosure must provide equivalent choices.
Night temperature
Allow temperatures to fall toward approximately:
16–22°C (61–72°F).
Night cooling
A clear nighttime temperature drop is beneficial.
Do not maintain the enclosure at daytime temperatures overnight.
Heating
Provide daytime heat from:
overhead.
Basking lamp
A halogen flood lamp is suitable for creating a broad basking zone.
Broad basking area
The basking area should be large enough to warm:
the entire lizard.
Thermostat
Heat sources should have appropriate:
thermostatic or other reliable safety control.
Temperature measurement
Use:
- Digital probe thermometers for air temperature
- Infrared thermometer for basking surfaces
Do not estimate temperatures by touch.
Lighting
Texas Horned Lizards are adapted to extremely bright outdoor environments.
A captive enclosure should therefore be:
very brightly illuminated during the day.
Visible-spectrum lighting
Use high-quality daylight or full-spectrum visible lighting in addition to:
- UVB
- Basking lamp
A dimly lit enclosure is inappropriate.
Photoperiod
Approximately:
12–14 hours of daylight during summer
with shorter winter days can be used to reproduce seasonal conditions.
For animals not being deliberately seasonally cycled, approximately:
12 hours light / 12 hours dark
provides a practical baseline.
Night lighting
Provide:
complete darkness at night.
Do not use continuously illuminated:
- Red bulbs
- Blue bulbs
- Purple bulbs
UVB
Appropriate UVB is essential.
Texas Horned Lizards naturally spend substantial periods exposed to:
strong sunlight.
Suggested UV Index
Provide approximately:
UVI 4–6
at the principal exposed basking area.
UV gradient
The enclosure should simultaneously contain:
- UVI 2–3 in partially exposed locations
- UVI below 1 beneath shade
- Retreats approaching UVI 0
What this means in practice
A quality:
linear T5 UVB lamp
positioned over part of the enclosure is generally appropriate.
The exact lamp strength depends on:
- Distance
- Reflector
- Mesh
- Lamp model
UVB percentage
Do not assume a particular lamp percentage automatically provides the correct UVI.
For example, a 12% lamp mounted high above mesh may deliver less UVB than a lower-output lamp positioned much closer.
UV meter
Where possible, use an appropriate UV meter to measure exposure at:
actual lizard height.
Humidity
Texas Horned Lizards should not be maintained in continuously humid tropical conditions.
General daytime humidity
Approximately:
30–50%
is appropriate for much of the enclosure.
Local humidity
Slightly higher humidity should be available:
- Beneath substrate
- Under hides
- Within deeper soil
Night humidity
Relative humidity may naturally rise as temperatures fall overnight.
This is not the same as keeping the enclosure:
wet.
Misting
Routine heavy daily misting is generally unnecessary.
Occasional light misting of:
- One section
- Plants
- Deeper substrate
can help create a moisture gradient.
Ventilation
Provide:
excellent ventilation.
Water
Provide a shallow dish of:
fresh water.
Water depth
The dish should be shallow enough that the lizard can enter and exit without difficulty.
Water hygiene
Replace water:
daily or whenever contaminated.
Diet
Diet is the most challenging part of Texas Horned Lizard husbandry.
The species is a specialised:
myrmecophage — ant eater.
Natural diet
A substantial proportion of the natural diet consists of:
harvester ants.
Depending upon population and prey availability, ants may constitute the majority of prey consumed.
Other natural prey
Texas Horned Lizards also consume:
- Beetles
- Grasshoppers
- Small crickets
- Spiders
- Other arthropods
However, these do not necessarily replace the nutritional and behavioural role of ants.
Why a cricket-only diet is unsuitable
A diet consisting primarily of:
crickets or mealworms
does not reproduce the natural feeding ecology of the species.
Harvester ants
Appropriate harvester ants should form an important component of the captive diet where the species is legally and responsibly maintained.
Ant identification
Never feed unidentified wild ants.
Some ant species can:
- Sting severely
- Spray defensive chemicals
- Overwhelm a confined lizard
Wild-collected ants
Wild ant collection may also expose animals to:
- Pesticides
- Herbicides
- Environmental contaminants
and may itself be regulated.
Captive feeder colonies
Where legally possible, maintaining suitable captive feeder-ant colonies provides much greater control over:
- Species identity
- Chemical exposure
- Supply
Feeding behaviour
Texas Horned Lizards often forage around:
active ant trails.
Food presentation should encourage natural searching behaviour rather than simply placing all prey in one bowl.
Ant escape prevention
Do not release large uncontrolled numbers of ants into the enclosure.
They may:
- Escape
- Establish colonies
- Attack a resting lizard
Feeding station
A controlled ant feeding station can help:
- Contain prey
- Monitor consumption
- Reduce escape
Dietary variety
Supplement appropriate ants with suitable small prey such as:
- Small roaches
- Small crickets
- Small grasshoppers
- Beetles
- Other safe arthropods
Mealworms
Mealworms can be used:
sparingly
but should not be the staple diet.
Prey size
Feed prey comfortably smaller than the width of the lizard’s head.
Adult feeding frequency
Healthy adults can generally be offered prey:
most days during active periods,
with portion size adjusted according to:
- Body condition
- Season
- Activity
- Reproductive status
Juvenile feeding
Growing juveniles should receive appropriately sized prey:
daily.
Gut loading
Non-ant feeder insects should be:
properly gut loaded.
Calcium
Dust suitable non-ant feeders with an appropriate calcium supplement.
Ant supplementation
Do not heavily coat live ants in powder to the point that:
- Natural behaviour is impaired
- The prey is rejected
Supplementation should be balanced across the entire diet.
Multivitamin
Use an appropriate reptile multivitamin on a conservative schedule.
Vitamin D3
Dietary D3 requirements depend partly upon:
actual UVB exposure.
Avoid chronic excessive supplementation.
Obesity
Although small, Texas Horned Lizards can become overweight if:
- Fed excessive high-calorie substitute prey
- Maintained too cool to digest normally
- Given insufficient space
Social housing
Individual housing is the:
safest default.
Wild spacing
Animals may occur in the same general habitat but this does not mean they require social companionship.
Male aggression
Males may become territorial during breeding periods.
Group housing
Group housing makes it substantially more difficult to monitor:
- Individual feeding
- Body condition
- Ant consumption
- Social stress
Handling and stress
Texas Horned Lizards should not be repeatedly picked up for entertainment.
Best interaction
Routine interaction should focus on:
- Observation
- Feeding
- Weighing
- Health assessment
Weighing
Regular weighing is useful because dietary problems may initially present as:
gradual weight loss.
Reproduction
Texas Horned Lizards are:
oviparous — egg-laying.
Breeding season
Mating generally occurs during:
spring and early summer
following seasonal warming.
Female preparation
Breeding females require:
- Excellent nutrition
- Strong UVB
- Correct calcium provision
- Deep nesting substrate
- Good hydration
Gravid female
A gravid female may become:
- Noticeably fuller
- More restless
- More interested in digging
Nesting substrate
Provide at least approximately:
20–25 cm (8–10 in)
of diggable substrate for mature females.
Deeper sections are preferable.
Nesting conditions
The substrate should be:
- Warm
- Slightly moist below the surface
- Structurally stable
- Easy to excavate
Clutch size
Texas Horned Lizards can produce relatively large clutches for their body size.
Approximately:
15–30 eggs
is a useful general expectation, although smaller and larger clutches can occur.
Large females may produce:
30 or more eggs.
Egg handling
If eggs are artificially incubated:
- Handle gently
- Avoid unnecessary rotation
- Maintain original orientation
- Prevent dehydration
Incubation temperature
A conservative working range is approximately:
27–29°C (81–84°F).
Incubation medium
Suitable media include:
- Vermiculite
- Perlite
maintained:
moist but not saturated.
Incubation duration
Hatching commonly occurs after approximately:
45–70 days
depending upon temperature and clutch conditions.
Avoid excessive incubation temperatures
Do not raise incubation temperature merely to accelerate development.
Hatchlings
Hatchlings are tiny but already highly specialised predators.
Hatchling housing
Provide a secure terrestrial enclosure with:
- Fine sandy soil
- Small hides
- Flat basking stones
- Sparse vegetation
- UVB
- Strong visible lighting
Hatchling enclosure size
A smaller enclosure can initially make:
- Feeding observation
- Ant management
- Health monitoring
easier.
However, it must still provide a genuine thermal gradient.
Hatchling temperature
Maintain daytime ambient temperatures around:
25–29°C (77–84°F).
Hatchling basking
Provide a local basking surface around:
35–39°C (95–102°F).
Hatchling cool area
Maintain approximately:
22–25°C (72–77°F).
Hatchling night temperature
Allow temperatures to fall toward:
18–22°C (64–72°F).
Hatchling humidity
Maintain generally dry conditions around:
35–50%
with slightly more humid substrate retreats.
Hatchling UVB
Provide approximately:
UVI 3–4
at the exposed basking position with plentiful shade.
Hatchling diet
Hatchlings require very small appropriate prey.
Suitable foods include:
- Small appropriate ants
- Tiny roach nymphs
- Pinhead crickets
- Other very small arthropods
The dietary importance of ants should not be ignored simply because hatchlings are difficult to feed.
Hatchling feeding frequency
Offer appropriately sized prey:
daily.
Quarantine
All newly acquired animals should undergo quarantine.
At least:
90 days
is a sensible minimum.
Quarantine substrate
During initial quarantine, husbandry must still allow:
- Digging
- Appropriate thermoregulation
- Feeding
Do not keep a specialised fossorial desert lizard indefinitely on bare paper simply because it is convenient to clean.
Parasites
Animals of wild origin may carry:
- Internal parasites
- Mites
- Other ectoparasites
Veterinary faecal examination is advisable.
Wild-caught animals
Wild-caught Texas Horned Lizards should not be considered routine pet-trade animals.
In parts of their range, collection is:
legally prohibited or tightly regulated.
Common health concerns
Potential problems include:
- Chronic weight loss
- Nutritional deficiencies
- Metabolic bone disease
- Dehydration
- Burns
- Parasites
- Impaction
- Respiratory disease
- Reproductive complications
- Chronic stress
Chronic weight loss
Persistent weight loss is particularly concerning.
Investigate:
- Ant availability
- Prey variety
- Parasites
- Temperature
- UVB
- Hydration
- Stress
Metabolic bone disease
Possible signs include:
- Weakness
- Tremors
- Soft jaw
- Limb deformity
- Fractures
MBD prevention
Provide:
- Correct UVB
- Appropriate calcium
- Nutritious prey
- Correct temperatures
Dehydration
Possible signs include:
- Sunken eyes
- Reduced activity
- Poor skin condition
- Weight loss
Even desert reptiles require access to:
water and appropriate humid microhabitats.
Burns
Prevent direct contact with:
- Heat lamps
- Ceramic heaters
- Hot fittings
Measure actual surface temperatures.
Impaction
Risk increases with:
- Dehydration
- Poor temperatures
- Inappropriate substrate
- Excessive ingestion of loose material during unnatural feeding
Correct naturalistic substrate is not automatically dangerous when husbandry is otherwise appropriate.
Respiratory disease
Warning signs include:
- Wheezing
- Clicking
- Nasal discharge
- Increased respiratory effort
- Persistent open-mouth breathing away from basking
Reproductive complications
Females may experience:
- Calcium depletion
- Egg retention
- Dystocia
Veterinary red flags
Consult a suitably experienced reptile veterinarian for:
- Persistent anorexia
- Significant weight loss
- Tremors
- Weakness
- Abnormal breathing
- Severe dehydration
- Swelling
- Prolapse
- Suspected egg retention
Seasonal care
Natural seasonal variation is significant across much of the species’ range.
Summer
During warmer periods provide:
- Long bright days
- Strong basking
- High feeding activity
Winter
Some populations experience substantial seasonal cooling.
Healthy animals may become:
- Less active
- Less interested in food
- More inclined to remain buried
Brumation safety
Do not cool:
- Underweight animals
- Sick animals
- Recently imported animals
- Animals with unresolved parasite burdens
Captive breeding and brumation
Experienced breeders may use controlled winter cooling to stimulate:
normal reproductive cycling.
Exact conditions should reflect the geographic origin of the animals where known.
Outdoor housing
In suitable warm weather, secure outdoor enclosures can provide excellent:
- Natural sunlight
- Thermal variation
- Behavioural enrichment
Outdoor security
Outdoor housing must be:
- Escape-proof
- Predator-proof
- Dig-resistant
Natural sunlight
Unfiltered sunlight provides excellent:
visible light and UVB.
Glass blocks most biologically useful UVB.
Shade outdoors
Always provide substantial:
deep shade.
A desert species can still overheat rapidly in a confined outdoor enclosure.
Legal considerations
Legal status is one of the most important considerations before acquiring this species.
Texas Horned Lizards are protected wildlife in several parts of their native range.
Texas
The Texas Horned Lizard is the official:
State Reptile of Texas.
Wild populations have undergone substantial declines in parts of the state.
Collection and possession are regulated under state wildlife legislation.
Other US states
Regulations differ across the species’ range.
Some states:
- Prohibit collection
- Require permits
- Restrict possession
- Protect native populations
International keepers
A captive-bred animal legally exported from the United States or bred elsewhere may be subject to entirely different documentation requirements.
Always establish:
- Legal origin
- Export legality
- Import legality
- Local possession rules
before acquiring the animal.
CITES
The Texas Horned Lizard is not generally listed under CITES.
This does not override domestic wildlife protection.
A species can be:
non-CITES but still legally protected.
Provenance
Retain:
- Breeder details
- Purchase receipt
- Hatch information
- Import/export documentation
- Permits where required
- Parentage information
Captive-bred only
For hobby husbandry:
documented captive-bred animals are the responsible option.
Wild collection can:
- Damage declining populations
- Violate legislation
- Produce animals poorly adapted to captivity
Conservation threats
Major factors associated with declines include:
- Habitat loss
- Habitat fragmentation
- Urban development
- Agricultural change
- Pesticide use
- Loss of native harvester ants
- Invasive ants
- Road mortality
- Collection
Harvester-ant decline
Changes in native ant communities can directly affect Texas Horned Lizards because ants are such an important food resource.
Pesticides
Broad-spectrum insecticides may harm horned lizards both directly and indirectly by reducing:
their prey base.
Invasive ants
Introduced ants can alter native insect communities and reduce populations of the harvester ants upon which horned lizards depend.
Never release captive animals
Never release a captive Texas Horned Lizard.
Even within its native range, release of captive animals can:
- Spread pathogens
- Mix genetically distinct populations
- Violate wildlife law
Common husbandry mistakes
Common mistakes include:
- Acquiring illegally collected wild animals
- Failing to research local wildlife legislation
- Assuming the species can live on crickets
- Providing no appropriate ants
- Feeding unidentified dangerous ants
- Collecting ants from pesticide-treated areas
- Providing an enclosure that is too small
- Using shallow substrate
- Keeping the entire substrate bone dry
- Keeping the enclosure humid and tropical
- Providing insufficient ventilation
- Providing weak visible lighting
- Providing inadequate UVB
- Maintaining the whole enclosure at basking temperature
- Providing no cool retreat
- Keeping nights too warm
- Excessive handling
- Housing animals socially without monitoring
- Attempting brumation with unhealthy animals
- Failing to quarantine
- Losing provenance documentation
Responsible ownership
Before obtaining a Texas Horned Lizard, ensure you can provide:
- Completely legal captive-bred provenance
- At least approximately 120 × 60 × 60 cm (4 × 2 × 2 ft) adult housing
- Preferably 150 × 60 × 60 cm (5 × 2 × 2 ft) or larger
- Deep natural sandy soil
- Open basking areas
- Secure shaded retreats
- Very bright visible lighting
- Appropriate UVB
- UVI approximately 4–6 at the main basking position
- Basking surfaces around 38–43°C (100–110°F)
- A substantial cooler area
- Nighttime cooling
- Dry surface conditions with humid underground microclimates
- Access to suitable ants
- Dietary variety
- Appropriate supplementation
- Minimal handling
- Quarantine facilities
- Specialist reptile veterinary care
- Long-term access to suitable feeder insects
Summary
The Texas Horned Lizard (Phrynosoma cornutum) is a specialised terrestrial lizard of the dry grasslands, scrub and semi-arid environments of the south-central United States and northern Mexico.
Its husbandry differs substantially from that of more generalist desert lizards.
For one adult, provide at least approximately:
120 × 60 × 60 cm (4 × 2 × 2 ft),
with approximately:
150 × 60 × 60 cm (5 × 2 × 2 ft)
or larger preferred.
Provide at least:
10–15 cm (4–6 in)
of natural sandy soil, with deeper areas approaching:
20–25 cm (8–10 in).
Maintain daytime ambient temperatures around:
25–30°C (77–86°F)
with a local basking surface around:
38–43°C (100–110°F).
Provide cooler areas around:
22–26°C (72–79°F)
and allow nighttime temperatures to fall toward:
16–22°C (61–72°F).
Maintain generally dry daytime conditions around:
30–50% relative humidity
while providing slightly more humid underground retreats.
Provide strong UVB with approximately:
UVI 4–6
at the principal exposed basking area and extensive shade.
Most importantly, the Texas Horned Lizard is a:
specialised ant predator.
Appropriate harvester ants should form a meaningful component of the captive diet. Crickets, mealworms and other conventional feeders alone should not be considered an adequate replacement for its specialised natural feeding ecology.
The species is:
egg-laying,
with females capable of producing relatively large clutches of approximately:
15–30 eggs or more.
It is not generally CITES-listed, but wild populations are legally protected or regulated across parts of the native range.
Only:
legally documented captive-bred animals
should be considered for private husbandry.
The combination of specialised diet, conservation concerns and wildlife legislation makes this an:
advanced specialist species rather than a general pet lizard.
IMPORTANT INFORMATION:
This care sheet provides general husbandry guidance and does not replace species-specific research or veterinary advice. Individual requirements may vary.
Always check current legislation governing the acquisition, collection, import, transport, keeping, breeding or sale of reptiles in your jurisdiction.
If you have concerns about an animal’s health or care, consult a suitably experienced exotic or reptile veterinarian.
Information correct at the date of publication.
reptilecommunity.com | Revised: August 2026