Ross seal is a rare Antarctic seal with very large eyes. This marine mammal is well adapted to life among pack ice and in cold water.
The Ross seal differs from other seals with its huge eyes and special muzzle shape. It is important for Antarctic nature as a predator that helps maintain balance in the marine food chain.
Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
Submerges underwater to reach prey or food at depth.
Pelagic Ocean
breeding
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
days
marine pelagic
How old you would be if you lived as {name}
Antarctic and other krill
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
About health
marine coastal
When your next birthday would fall if you lived as {name}
Sofa
Repro interval
results
Polar sea
Colors
Sex
Upcoming jubilees
Gremllins
diving
mo
live fish
all seas and oceans
Trophic type
Filters
the coldest and iciest edge, almost always snow and ice
Upcoming birthdays
eggs, roe or offspring develop in a nest built on the ground or close to it
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
ice
Height
nest on the ground
young are born live on land, not hatched from eggs or roe
Age (juvenile)
Age (from birth to death)
Age (embryo)
Wanderers
Age (larva)
sea covered with ice or ice floes most of the year, very cold in winter
far from shore, deep water, large whales and sharks live here
Subpolar Sea
world of Australasia
Jubilee = every 10th birthday
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
nest located directly on the ground surface on land, only the mother provides parental care for the offspring
in a terrestrial nest
young after fast growth
Juvenile stage following larval metamorphosis but not yet adult.
live birth
What do they look like?
Maturity
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
How do they behave?
birth / hatching
metamorphosis / end of larval stage
fish
end of acceleration
Share
Find a pet...
Mature, fully developed individual capable of reproduction.
very cold, lots of snow and ice
Actively hunting and capturing live prey.
world of Antarctica
Pets
sea almost always under thick ice, very cold
{name} jubilee
Eyes size
cm
Old-timers
Find an animal or breed...
Flippers count
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
pelagic zone — open water far from shore and seabed
Where are they found?
all seas and oceans
Species lacks any fixed or lasting shelter structure.
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Offspring
Elders
Bro
always frost, even in summer it's cold
Very cold
Taxons
carnivore
if born as {name}
age
diving and capturing prey with teeth
birth date
no permanent shelter
rest
Fur color
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
Marine world
The basics
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
teeth
Potential Habitat
Always frosty
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
Gestation
Body size
islands and part of Australia, many unusual animals and plants
land
{name} birthday
No results found
polar
Eyes color
On the map
lunge
Female ♀
all life stages
nest located directly on the ground surface on land
150 to 300 kilograms, 1.6 – 4 meters
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
Shelter used specifically for reproduction or nesting.
Maturity
krill
sq mm
yr
How similar?
squids
Male ♂
until the celebration
baby / chick
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
Young offspring still dependent on parental care.
squids
world of Antarctica
caring mother
What do they eat?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
Marine world
early young
Hard dental structures used to bite, tear, or scrape food.
Duration
always cold, even in summer it's frosty
fish
saline marine habitat
Flippers size
This is me
Gamers
molting
How are they built?
marine
shallow near the shore, water rises and falls, crabs live here
mm
Theoretical lifespan
ml
Stars
Link copied
the coldest and iciest edge, almost always snow and ice
coastal marine zone — shelf, neritic zone
My age?
wk
My size?
sea almost always covered with thick ice, very cold all year round
Asexual
swap
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?
inhabit and develop on land, outside water bodies
celebrated their {n} birthday
When you would have been born if you lived as {name}
live squids
Littoral Zone
Daddies
Lifespan maximum
krill
Polar Sea
Hermaphrodite ⚥
embryo
Length
kg
Rapid forward strike to seize prey.
Always very cold
Observations
◉{N} more on tap