Helicops infrataeniatus is a water snake from South America. It lives near rivers and swamps, swims well and feeds on fish and frogs.
This snake controls the population of fish and amphibians in water bodies. It is not dangerous to humans and helps maintain balance in nature.
Immature form that undergoes metamorphosis before adulthood.
Worker
Tail size
birth time
live adult frogs and toads
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
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
Warm summer
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
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
Eyes count
summer warm, winter not very cold
Colors
Sex
Upcoming jubilees
Gremllins
mo
live fish
Trophic type
Filters
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
lake
rains almost always, very humid
Age (juvenile)
Age (from birth to death)
Age (embryo)
Wanderers
Age (larva)
Jubilee = every 10th birthday
Warm summer and frequent rains
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
young after fast growth
Juvenile stage following larval metamorphosis but not yet adult.
summer warm, rains frequent
What do they look like?
Maturity
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
Produces toxins capable of causing harm when delivered.
How do they behave?
birth / hatching
metamorphosis / end of larval stage
fish
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
Find a pet...
Mature, fully developed individual capable of reproduction.
hot, uneven rains, lots of grass and trees
Actively hunting and capturing live prey.
Pets
Primary oral structure used to seize, manipulate, or ingest food.
{name} jubilee
Eyes size
cm
tadpoles and frog larvae
Old-timers
Find an animal or breed...
mouth
turns
Rascals
Tail color
hot Africa south of the desert, many savannas and forests
Litter size
Tropical savanna
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
Where are they found?
Species lacks any fixed or lasting shelter structure.
all rivers and lakes
Locomotion through water employed while searching for or capturing prey.
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Elders
Bro
lakes and ponds
freshwater marsh and wetlands
Taxons
carnivore
if born as {name}
age
birth date
Head size
swimming
no permanent shelter
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
Neotropical realm
Venomous
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
Potential Habitat
Very hot summer
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
Feeding occurs in water bodies such as rivers, lakes, or oceans.
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
from 130 grams to 0.5 kilograms, 0.35 – 0.8 meters
Body size
aquatic
vision
summer very hot, above +25…+30 °C
{name} birthday
No results found
Eyes color
On the map
lunge
all life stages
Female ♀
Body color
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.
birth year
Maturity
sq mm
yr
How similar?
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?
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.
world of Afrotropics
Freshwater
Duration
Always hot and wet
This is me
freshwater
Always very wet
Gamers
How are they built?
frogs and toads
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
tadpoles
Asexual
swap
freshwater environment — rivers, lakes, ponds, swamps
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?
Warm summer and lots of rain
Head color
celebrated their {n} birthday
When you would have been born if you lived as {name}
marsh
Daddies
Lifespan maximum
river
Hermaphrodite ⚥
Primarily detects and locates food using eyesight.
embryo
Zucchini
Length
kg
lots of rain, warm and pleasant summer
Rapid forward strike to seize prey.
Observations
◉{N} more on tap