The common zander is a large predatory fish from the perch family. It has a long body, sharp teeth, and good vision for hunting in fresh water.
The zander differs from the pike in body shape and the presence of two dorsal fins. It regulates the population of small fish in water bodies and is an important commercial species.
Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
pursuit
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
shallow coastal zones of rivers and lakes
g
t
When your next jubilee falls in {name} life years
Human
very cold, short summer, almost no trees, lots of moss
days
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
fish of small size
Handbag
invertebrates
About health
from 1.2 to 4.8 kilograms, 0.7 – 1.4 meters
marine coastal
When your next birthday would fall if you lived as {name}
Repro interval
results
Colors
Sex
Upcoming jubilees
Gremllins
mo
live fish
all seas and oceans
Trophic type
all living animals without backbone
Filters
small fish
Palearctic realm
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
Age (juvenile)
Age (from birth to death)
Age (embryo)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Jubilee = every 10th birthday
Tundra
Earliest developmental stage inside an egg or womb.
Business sausages
zones of mixing fresh and sea water — river deltas, estuaries
Lifespan average
What do they look like?
Maturity
emergence (insects)
end of lifespan
crepuscular
How do they live?
fertilization / egg laying
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.
Freshwater
Actively hunting and capturing live prey.
Pets
all rivers and lakes
Primary oral structure used to seize, manipulate, or ingest food.
Lots of rain and cool summer
{name} jubilee
cm
Summer from cool to warm
Old-timers
Find an animal or breed...
mouth
turns
Rascals
Flooded grasslands
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
fast pursuit and capture of prey with teeth
°C
Not specified
Egg color
Where are they found?
Species lacks any fixed or lasting shelter structure.
all rivers and lakes
lots of rain, cool summer, snow in winter
night vision
estuary and delta
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
rivers and streams
if born as {name}
Actively chases and captures mobile prey in open space.
age
birth date
no permanent shelter
Palearctic realm
freshwater coastal and creek
Close
was
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
nocturnal
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
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
lots of rain, summer not hot
Mass
cold winter, lots of coniferous trees: spruce, pine
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
Gestation
vision
{name} birthday
No results found
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?
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?
Where do they live?
Immature individual that has not yet reached reproductive maturity.
Marine world
from birth to death
early young
Hard dental structures used to bite, tear, or scrape food.
water often floods the land, lots of grass
Freshwater
Temperate mixed forest
Duration
Fins color
saline marine habitat
This is me
most of Europe and Asia, various forests, steppes and tundra
Foraging activity occurs primarily during nighttime hours.
freshwater
Gamers
Teeth count
How are they built?
marine
Cool summer and lots of rain
shallow near the shore, water rises and falls, crabs live here
mm
Theoretical lifespan
ml
Stars
Link copied
coastal marine zone — shelf, neritic zone
My age?
wk
My size?
Taiga
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?
celebrated their {n} birthday
When you would have been born if you lived as {name}
Littoral Zone
flowing fresh waters — rivers, streams, mountain torrents
Daddies
Lifespan maximum
summer not hot, from +15 to +25 °C
whole life
Hermaphrodite ⚥
Primarily detects and locates food using eyesight.
embryo
summer warm, many oaks, birches, maples
Length
kg
Rapid forward strike to seize prey.
Observations
◉{N} more on tap