Caecilia subnigricans is a legless amphibian from the order of caecilians. It lives underground in the Magdalena River valley in Colombia and has a long dark body with annular folds.
This species differs from related worms by the number of body rings and dark almost black color. Worms are important for nature because they loosen the soil and control insect populations.
Searching for and swallowing prey whole in underground burrows.
Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
Describes the act of excavating soil or substrate to locate or access food.
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
Tentacles color
m
Map
will celebrate their {n} birthday
g
t
When your next jubilee falls in {name} life years
Human
very hot and very humid all year round, rain almost every day
days
South and Central America, hot and humid, huge forests
tentacle
How old you would be if you lived as {name}
Theoretical maximum lifespan estimated from the Dynamic Energy Budget (DEB) mathematical model. This value reflects a biological potential derived from metabolic parameters, not from direct observation — real recorded lifespans are often significantly shorter.
adult
Maturity
centipedes
South and Central America, hot and humid, huge forests
About health
When your next birthday would fall if you lived as {name}
Repro interval
results
earthworms
Colors
Sex
Upcoming jubilees
Gremllins
mo
hot, rains in summer, little precipitation in winter
Uses an excavated underground tunnel or chamber for refuge or nesting.
little precipitation in winter, more in summer
Trophic type
Filters
always hot and humid, huge trees and vines
Upcoming birthdays
standing fresh waters — lakes, ponds, oxbow lakes
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
rains almost always, very humid
Age (juvenile)
insect larvae and caterpillars
Age (from birth to death)
Hot, little precipitation in winter
Age (embryo)
Wanderers
Age (larva)
Jubilee = every 10th birthday
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
Rapidly swallows prey or food items whole without chewing.
young after fast growth
Regeneration
Juvenile stage following larval metamorphosis but not yet adult.
What do they look like?
Maturity
emergence (insects)
end of lifespan
hot, there is a dry season, trees shed their leaves
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
end of acceleration
Share
Find a pet...
Mature, fully developed individual capable of reproduction.
gulping
Actively hunting and capturing live prey.
digging
Pets
Primary oral structure used to seize, manipulate, or ingest food.
Tropical dry broadleaf forest
Feeding occurs primarily on land or in vegetation.
whole swallow
{name} jubilee
cm
Old-timers
Find an animal or breed...
mouth
turns
Rascals
Litter size
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
How to care for them?
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
Actively searching habitats to locate food items.
Egg color
Where are they found?
38 to 65 grams, 15 – 40 centimeters
all rivers and lakes
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Tropical moist forest
Elders
Bro
lakes and ponds
Taxons
carnivore
if born as {name}
Forages within or on the surface of soil or substrate.
age
birth date
Head size
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
primary food sources
Neotropical realm
teeth
burrow
Potential Habitat
d
In husbandry
On the go from 1.3 to 3.5 years. Forest mice, anoles, rainbow fish party on their birthday once a month
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
terrestrial
Body size
{name} birthday
soil
Always hot
No results found
underground
On the map
lunge
all life stages
Female ♀
Body color
termites
Map data sources: Ecosystem classification — IUCN Global Ecosystem Typology (Keith et al., 2022), indicative distribution maps Keith et al. (2020), https://doi.org/10.5281/zenodo.3546513; Large Marine Ecosystems — NOAA LME Program; Bathymetry — GEBCO Bathymetric Compilation Group (2026), GEBCO_2026 Grid, https://doi.org/10.5285/4f68d5c7-45eb-f999-e063-7086abc036fa; Climate data — Generated using Copernicus Climate Change Service information; Species occurrence data — GBIF.org, Derived dataset "all animals", https://zveriki.com/dataset/dataset.tsv; Terrestrial ecoregions — RESOLVE Ecoregions 2017 (Dinerstein et al., 2017), CC BY 4.0
Potential habitat modelled from GBIF occurrence data. Map © Zveriki.com, licensed under CC BY 4.0.
Tentacles size
birth year
Maturity
sq mm
yr
soil
Body count
How similar?
Egg size
Male ♂
until the celebration
age as {name}
How do they breed?
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
What if eaten?
Neither
from birth to adulthood
What do they eat?
Searching for and swallowing prey whole in underground burrows.
insect larvae
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
early young
Hard dental structures used to bite, tear, or scrape food.
Freshwater
Duration
Always hot and wet
This is me
freshwater
Always very wet
Gamers
How are they built?
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
live centipedes and chilopod myriapods
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
live termites
active predation
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Where do they take shelter?
Head color
celebrated their {n} birthday
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Daddies
Lifespan maximum
earthworms and soil oligochaetes
foraging
Hermaphrodite ⚥
embryo
Orange
Length
kg
Rapid forward strike to seize prey.
Observations
◉{N} more on tap