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Reptiles / Species Record
Reptiles · SPECIES PROFILE

Mata Mata

Chelus fimbriata

Water depth, filtration, dissolved oxygen, and feeding methods are all specialized; equipment and maintenance requirements increase significantly as the animal grows.

Mata Mata (Chelus fimbriata)
Images · CC BY-SA 4.0NasserHalaweh / Wikimedia Commons
High-Demand CareRequires More Preparation Update 2026-09-07
Editorial example · Pending Expert Review
Adult Length15.75–19.69 in
Reference Lifespan15–25 yr
Ambient Temperature Reference75.2–84.2 °F
Air Humidity70–90 %
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Ownership Score

Ownership Score

This is an edited estimate of lifestyle compatibility, not an animal value rating. A higher score indicates that, based on current data, the animal is easier to integrate into your daily routine.

46/100 · Requires careful assessment
Beginner suitability30
Handling62
Interactive46
Space46
Cost40
Maintenance44
Travel46
Veterinary Accessibility55
Safety62
RISK SIGNALS
Feeding difficulty 60Environmental control 60Escape risk 36Bite risk 42Toxicity risk 0Noise 94Odor 82Cleaning burden 34
LIFE FIT
Children and families 62Apartments 94Bedrooms 94Frequent travel 40

The composite score is calculated by weighting nine factors: beginner-friendliness, handling ease, interaction, space requirements, cost, maintenance, travel, veterinary access, and safety. Read risk signals according to field direction: lower scores for biting, escape, and toxicity indicate greater safety; higher scores for noise, odor, and cleaning indicate less hassle. Combine this page's environmental requirements and risk notes with your judgment; do not rely solely on the total score.

BEFORE YOU COMMIT

First check whether it fits your life

This brief brings together the space, maintenance, feeding, lifespan and veterinary conditions recorded on this page so you know what to verify next.

46/100 · Requires careful assessment

A better fit if

  • The living conditions need closer planning
  • Adult space is a threshold to solve before purchase
  • Daily maintenance requires a steady time commitment

Resolve these first

  • Adult Space:Juveniles may appear small, but adult enclosures, lighting, and backup equipment constitute the long-term cost.
  • Environmental control needs stricter management
  • The lifespan is a long commitment and needs a long-term plan
Adult size
15.75–19.69 in
Reference Lifespan
15 to 25 years
Minimum space
Prepare sufficient water volume, filtration, accessible basking platforms, and a basking lamp based on the adult carapace size and activity level; large snapping turtles require planning for large pools.
Veterinary Accessibility
Moderate

This is a comparison aid based on the current record, not a purchase, medical or local-law conclusion. Check the sources and local conditions before continuing.

THINGS OWNERS UNDERESTIMATE

Common Underestimations by Keepers

  • Adult SpaceJuveniles may appear small, but adult enclosures, lighting, and backup equipment constitute the long-term cost.
  • Environmental fluctuationsClose humidity and temperature readings do not guarantee safety; measurement location and diurnal changes affect results.
VETERINARY ACCESS

Veterinary Accessibility

Moderate

It is best to find an exotic pet veterinarian with reptile experience in advance.

Moderate; resources may be limited at night and in non-metro areas.

Specialist Exotic Pet Care Typically Required
DATA STATUS

Where this record stands

Editorial example
Last updated
2026-09-07
Fields checked
No field review record yet
Reference sources
1 · Reference sources
Professional review
Pending veterinary or taxonomic review
Local rules
Local rules need verification

Source links are starting points for reading. A group-level guide does not verify every value for each species. Check local rules separately.

Basic Information

Native Distribution
Slow-moving waters in the Amazon and Orinoco basins of South America
Body Size and Diameter
Adult carapace length; sex differences and individual weight must be verified separately.
Dietary Habits
Carnivore
Activity Cycle
Mostly active at dawn, dusk, or night; requires a temperature gradient that allows them to escape heat.
Availability of Captive-Bred Individuals
Common
Temperament and Aggression
Individual responses vary. Behavior may change when startled, in pain, or feeding.
Toxicity and Contact Risks
Venom has no substantial effect on humans, but proper hygiene and safe handling are still required. Contact Risks: Medium。
Socialization and Handling
Whether to keep singly or with conspecifics depends on the species' sociality. Similar appearance does not justify cohabitation.

Environmental Parameters

Temperature Gradient

Set up warm, cool, and shaded zones; connect all heat sources to a thermostat and verify temperatures by spot-checking at each location.

Humidity and Ventilation

70 to 90%. Humidity varies with ventilation, misting, and day-night cycles; do not maintain a single reading for the entire enclosure long-term.

Lighting and Circadian Rhythm

Appropriate UVB, a basking heat source, and shaded areas that can be accessed voluntarily are required; verify lamp distance and basking spot temperature against species-specific data.

Basking Spot / Localized Heat

Set up warm, cool, and shaded zones; connect all heat sources to a thermostat and verify temperatures by spot-checking at each location.

UVB Requirements

Appropriate UVB, a basking heat source, and shaded areas that can be accessed voluntarily are required; verify lamp distance and basking spot temperature against species-specific data.

Adult Space

Minimum: Prepare sufficient water volume, filtration, accessible basking platforms, and a basking lamp based on the adult carapace size and activity level; large snapping turtles require planning for large pools.
Recommended: Prepare sufficient water volume, filtration, accessible basking platforms, and a basking lamp based on the adult carapace size and activity level; large snapping turtles require planning for large pools; recommended setups should increase continuous activity space by approximately 25% above the minimum, while reserving room for equipment and hide structures.

Substrate and Water

Pesticide-free soil, paper-based substrate, or substrate suitable for the species. Do not use wood chips of unknown origin. · Provide fresh water continuously; containers must be secure to prevent drowning or tipping.

These ranges are for planning the environment of a healthy adult, not a constant value for the entire enclosure, and do not cover disease, breeding, or juvenile stages.

Diet and Nutrition

Select complete food matching species needs; adjust according to body condition, age, and season; do not feed only one type long-term, and do not overfeed.

Feeding Frequency
Adjust according to age, body condition, and season; frequency differs between juveniles and adults.
Live Prey Requirement
Not Required
Rodent Pellets
Not Required

Enclosure and activity space

Prepare sufficient water volume, filtration, accessible basking platforms, and a basking lamp based on the adult carapace size and activity level; large snapping turtles require planning for large pools.

Dimensions are editor suggestions, not mandatory minimum standards in all regions. Group size, individual body size, and layout may require more space.

Frequently Asked Questions

Is it suitable for frequent handling?

Observation is primary. When handling is necessary, use safe tools and keep the duration as short as possible.

Can this record replace a complete husbandry manual?

No. It is only a decision summary for adult, healthy individuals. Before formal husbandry, you still need complete data, equipment testing, and veterinary resources.

Risks and Legality

  • Before bringing home, confirm the source, long-term care capability, local regulations, and nearby exotic pet veterinary resources.

Sources and editor notes

This page is a structured editing example and has not yet undergone field-by-field expert review. Reference links are for further consultation; data for some groups may not apply to every species. Please read the full manual before formal husbandry.

RSPCA Reptile Care Information

Extended reading for the group; parameters still require verification field by field.

View data scope and update methods ↗
SIMILAR SPECIES

Other options within the same group

Similar species does not mean they can be co-housed