Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Worker
Elders
Bro
birth time
water is almost always warm, even in winter you can swim, very hot in summer
Taxons
Temperate sea
Heavy rains in summer
if born as {name}
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
Shallow nearshore marine waters used by pelagic and reef-associated fish.
m
Map
will celebrate their {n} birthday
g
age
t
When your next jubilee falls in {name} life years
water is almost always warm, even in winter you can swim, very hot in summer
Human
birth date
hot Africa south of the desert, many savannas and forests
Close
very hot and very humid all year round, rain almost every day
was
days
South and Central America, hot and humid, huge forests
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
Marine world
Warm summer
The basics
How old you would be if you lived as {name}
Seafloor communities living on or in sediment, including flatfish and invertebrates.
Neotropical realm
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.
My weight?
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
very heavy rains in summer, almost no precipitation in winter
Neotropical realm
marine
South and Central America, hot and humid, huge forests
Melon
Temperate sea
Potential Habitat
About health
When your next birthday would fall if you lived as {name}
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
results
Oceanian realm
continental shelf
Mass
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
summer warm, winter not very cold
Southeast Asia and islands, always hot and humid
islands and part of Australia, many unusual animals and plants
water is cool or warm, cold in winter, you can swim in summer
Sex
Warm sea
{name} birthday
Upcoming jubilees
Gremllins
mo
Nearctic realm
Always hot
No results found
North America and Greenland, from tundra to forests
all seas and oceans
marine benthic
Filters
On the map
Female ♀
Upcoming birthdays
world of Afrotropics
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.
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Non-saline aquatic environments such as rivers and lakes.
warm temperate humid
Oceanian realm
birth year
Age (from birth to death)
sq mm
yr
coastal waters
Wanderers
How similar?
world of Australasia
Jubilee = every 10th birthday
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
Business sausages
Warm sea
Lifespan average
What do they eat?
Where do they live?
Marine world
What do they look like?
Maturity
emergence (insects)
world of Afrotropics
end of lifespan
Freshwater
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...
many islands in the Pacific Ocean, warm seas and corals
Freshwater
Always hot and wet
This is me
water is cool or warm, cold in winter, comfortable to swim in summer
Gamers
Pets
How are they built?
all rivers and lakes
Indomalayan realm
Nearctic realm
mm
Theoretical lifespan
Indomalayan realm
ml
Stars
Link copied
My age?
wk
My size?
freshwater
{name} jubilee
Asexual
swap
cm
Old-timers
Find an animal or breed...
Southeast Asia and islands, always hot and humid
turns
islands and part of Australia, many unusual animals and plants
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
Rascals
Where do they take shelter?
Shallow submerged edge of continents supporting diverse demersal fish communities.
many islands in the Pacific Ocean, warm seas and corals
celebrated their {n} birthday
hot Africa south of the desert, many savannas and forests
When you would have been born if you lived as {name}
very hot all year round, frequent rains, but sometimes dry
Daddies
Lifespan maximum
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
world of Australasia
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
Hermaphrodite ⚥
Where are they found?
all seas and oceans
North America and Greenland, from tundra to forests
from 0.8 to 1.2 kilograms, 0.6 – 1.2 meters
all rivers and lakes
Length
kg
Open ocean and sea habitats supporting pelagic and deep-water species.
Observations
◉{N} more on tap