All Angles Creatures
Squamata · GymnophthalmidaeEntry 2,537 of 21,572

Reptilia · Squamata

Bachia blairiDunn, 1940

Blair's Bachia

No photograph of this species exists under a license anyone may reuse. It gets the same page regardless.

A day-active, meat-eating lizard from the Neotropic region, reaching 70 mm snout to vent.

Also called Trinidad Bachia.

ReptiliaSquamataGymnophthalmidaeBachia

Grows to
70mm
greatest recorded
Eats
Carnivorous
Active
Diurnal
Lives
Fossorial, terrestrial
Body length across Gymnophthalmidae

Longer than 68% of all species in Gymnophthalmidae anyone has measured.

68% of 290 species are smaller32% larger
28 mmthe whole family, smallest to largest121 mm

The bar is the rank itself: its length is the share of the family this animal exceeds. The chart below is the family’s real spread, on a logarithmic scale because body length here runs from 28 to 121 mm. The solid rule is this animal. Every bar is a count of real species, and nothing on this figure is estimated.

What is known

31 sourced facts, each taken from a named scientific dataset. How to read these.

Cited from a dataset unless a row is marked otherwise.

Standing in the world

Still living
Extant
Conservation status
Near Threatened
Status assessed · the year the Red List last looked
2012

The animal itself

Limbs
Reduced
Venomous
No
Fangs
None

Size

Length snout to vent · greatest recorded
70mm2.75 in

Shai Meiri, unpublished

Length snout to vent · adult female mean
61mm2.5 in
Largest female · snout to vent
61mm2.5 in

snout-vent length; the source column mixes this with straight carapace length

Hatchling length · snout to vent
27mm1 in
Largest juvenile · snout to vent
27.5mm1 in
Body mass · greatestcomputed
2.25g0.08 oz

computed from length by a family-level allometric equation, not weighed

How it lives

Diet
Carnivorous

invertebrates (Rodda 2020), insectivore (Leenders 2019), insects (Villagra et al. 2023)

Active
Diurnal

Barrio-Amoros et al. 2023, n = 1

Where it lives
Fossorial, terrestrial

semi-fossorial, leaf litter (Savage 2002), leaf litter and cryptic (Leenders 2019, Villagra et al. 2023)

Habitat
Forest
Biome
Tropical & Subtropical Moist Broadleaf Forests
Region
Neotropic
Mainland or island
Mainland
Highest it lives · above sea level
520m

2-40 (Savage 2002, Leenders 2019, 0-40 in Villagra et al. 2023), 515 (Batista et al. 2020, Villagra et al. 2023: in Panama), 238 (Barrio-Amoros et al. 2023)

Range size
1475km²

Breeding

Reproduction
Oviparous

Savage 2002

Average clutch
2eggs
Eggs or young per clutch
2eggs

Savage 2002; n=1

Naming and history

Suborder
Sauria
Infraorder
Laterata
Subspecies
No
Described by
Dunn
Moved to another genus · since it was first described
Yes
Described in
1940
Type locality
Panama

Keeping one

11 in × 11 in × 7 in(28 × 28 × 18 cm)

Minimum length × width × height, for one animal. Bigger is always better. Substrate at least 1.5 in (4 cm) deep.

The standard sizes ground-dwelling species at 4 × 4 × 2.5 times snout-vent length.

Burrows, so substrate deep enough to dig in matters as much as floor area.

Mindestanforderungen an die Haltung von Reptilien (Sachverständigengutachten), German Federal Ministry for Nutrition, Agriculture and Forestry, Animal Welfare Division, 10 January 1997. The standard states these floor areas are recommendations rather than binding limits.

From this animal’s own snout-vent length of 2.75 in (70 mm), at 4 × 4 × 2.5 times it, following the German federal welfare standard — how this is worked out.

No preferred body temperature has been recorded for Blair's Bachia. Rather than repeat a number from a care sheet, this page leaves it out.

Feeding

A prey item should be no wider than the space between the animal's eyes.

Widely used across reptile husbandry references. The stated reason is that the gap approximates the width of the throat, so wider prey is associated with impaction. This is established practice, not a measurement.

0kJ per day

Worked out for an animal of 2 g, the heaviest recorded for Blair's Bachia — so it is the top of the range, not a figure for a particular animal. Weigh yours and the number will be lower.

An upper estimate, not a feeding target, and not veterinary advice. The equation covers only what an animal burns staying alive, so a growing, gravid or recovering animal needs more — and it was measured on wild animals, which move far more than one in an enclosure. Body condition and a vet who knows the species are what a feeding decision should rest on. Where this comes from.

What nobody knows

These are not gaps in our research. No scientific dataset records them for this species — and saying so is information you cannot get from a reference that simply leaves a field out.

  • Length snout to vent · adult male mean
  • Length snout to vent · adult mean
  • Length nose to tail · greatest recorded
  • Female length · mean, nose to tail
  • Length nose to tail · adult male mean
  • Length nose to tail · adult mean
  • Largest male · snout to vent
  • Largest female · shell length
  • Largest male · shell length
  • Hatchling length · nose to tail
  • Largest juvenile · shell length
  • Egg length
  • Egg width
  • Body mass · a typical adult
  • Body mass · adult female, mean
  • Body mass at hatching
  • Longest recorded life
  • Preferred body temperature · chosen in a laboratory gradient
  • Body temperature when active · measured in the wild
  • Eats arthropods
  • Eats vertebrates
  • Eats plant matter
  • How it hunts
  • How the young develop
  • Gestation or incubation
  • Mean clutch · smallest reported
  • Mean clutch · largest reported
  • Clutches in a year
  • Clutches a year · fewest
  • Clutches a year · most
  • First breeds from · youngest recorded
  • First breeds by · oldest recorded
  • Hatchling length · smallest recorded
  • Hatchling length · largest recorded
  • Age at first breeding · female
  • Mature from · youngest recorded
  • Mature by · oldest recorded
  • Size at maturity · smallest recorded
  • Size at maturity · largest recorded
  • Body temp in the wild · lowest mean recorded
  • Body temp in the wild · highest mean recorded
  • Colour on the back
  • Pattern on the back
  • Pupil
  • Sex decided by
  • Population trend
  • Red List criteria
  • Active season · shortest recorded
  • Active season · longest recorded
  • Density · lowest recorded
  • Density · highest recorded
  • Home range · largest recorded
  • Active in
  • Lowest it lives · above sea level

Others in Gymnophthalmidae

Take this data

Everything on this page is available as data under CC BY 4.0 — use it freely, credit it, no permission needed.

This species as JSON · the whole dataset

Cite this page

The Reptile & Amphibian Encyclopedia (2026). Bachia blairi. Retrieved 2026-09-08, from https://www.allanglescreatures.com/species/bachia-blairi

@misc{bachia_blairi_2026,
  title  = {Bachia blairi},
  author = {{The Reptile & Amphibian Encyclopedia}},
  year   = {2026},
  url    = {https://www.allanglescreatures.com/species/bachia-blairi}
}

Sources

  1. Meiri, S. (2024). SquamBase — a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography. Public domain (CC0).
  2. Oskyrko, O. et al. (2024). ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data. Used under CC BY 4.0.
  3. Catalogue of Life (dataset 3LR), used under CC BY.