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giant-water-flea
en
Giant water flea
Daphnia magna
Planktonic filter feeder, avoids predators through vertical migrations
#020509
30.4375
91.3125
31.813896131006725
45.448423044295325
4.614381920001505E-4
0.004827269166933347
dmiv
Immature form that undergoes metamorphosis before adulthood.
systemic infection
Hot and almost no precipitation
Heavy rains in summer
humid
osmoregulation disorder
impaired filtration
Map
will celebrate their {n} birthday
pasteuria ramosa
vahlkampfia sp.
summer mild, +15…+20 °C
bluish glow
Litters lifetime count
very hot and very humid all year round, rain almost every day
detritus, eat dead remains of plants, animals and all kinds of organic debris on the bottom
South and Central America, hot and humid, huge forests
Warm summer
cystic invasion
pansporellosis
complex
red white coloration
very heavy rains in summer, almost no precipitation in winter
hemorrhagic diarrhea
South and Central America, hot and humid, huge forests
daphnia picorna-like virus
iridescent tissue glow
tropical forest
mantle trauma
chlorella
summer warm, winter not very cold
temperature for housing
Cool summer
very hot and almost no rain
Gremllins
rains are very rare, almost a desert
nh₃
white spots in fat body
tissue parasitosis
sepsis
mechanical obstruction
Filters
infected bacteria
age diag byOther
Warm or hot summer
body deformation
Palearctic realm
Upcoming birthdays
glugoides intestinalis
Lifespan
heavy metals
rains almost always, very humid
Very hot and almost dry
most of Europe and Asia, various forests, steppes and tundra
Wanderers
chronic lethargy
world of Australasia
Jubilee = every 10th birthday
Warm summer and frequent rains
reduced reproduction
Minimum space
reduced feeding
coelomomycosis
Bacteria
Earliest developmental stage inside an egg or womb.
Business sausages
parasites diseases shell damage
reduced population
abdominal swelling
Lifespan average
water is almost always cold, there may be ice in winter, not hot in summer
hide
sterilization
detritus
nutritional disorder
How do they behave?
Carbohydrates
Freshwater
very cold, lots of snow and ice
chronic inflammation
water is cool or warm, cold in winter, comfortable to swim in summer
osmotic shock
hemolymphatic depletion
parasites diseases columnaris disease
all rivers and lakes
viral infection of daphnia
Endoparasites
Lots of rain and cool summer
Hot steppe
{name} jubilee
cm
Summer from cool to warm
Old-timers
direct sunlight
turns
Rascals
parasites diseases yeast infection
Fat
hot Africa south of the desert, many savannas and forests
podophryosis
Ectoparasites
parasites diseases exoskeleton damage
spirobacillosis
larvae of echinostoma
temperate forest
parasites diseases tissue decay
saprolegnia sp.
rapid lethality
skin ulcers
hemolymphatic infection
Where are they found?
steppe
diseases symptoms reproductive disorders
all rivers and lakes
sudden parameter changes
exoskeleton disorder
refusal to move
Elders
Bro
lakes and ponds
freshwater marsh and wetlands
freshwater pelagic
pseudomonosis
blood infection
birth date
Palearctic realm
diseases symptoms movement disorder
microcystin
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
My weight?
shrimp feeder
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
young after transformation
Vitamin B12
parasites diseases carapace blackening
molting disorder
arid steppe
Potential Habitat
Very hot summer
reproductive failure
In husbandry
On the go from 1.3 to 3.5 years. Forest mice, anoles, rainbow fish party on their birthday once a month
septicemia
aeromonas hydrophila
live yeast
lots of rain, summer not hot
Mass
cold winter, lots of coniferous trees: spruce, pine
rhizophydium sp.
Gestation
epistylis
loss of transparency
parasitic wasting
long term fatty dystrophy
Always hot
No results found
immunosuppression
On the map
Female ♀
Body temperature
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.
open water in the water column of a freshwater body, away from the bottom and shore
dmv
warm temperate humid
parasites diseases reproductive disorder
birth year
lots of grass, few trees, rains occur
chronic infection
lots of rain, summer from warm to very hot
sq mm
phytoplanktophagy, plant plankton — microscopic algae
How similar?
coelomomyces
metschnikowia bicuspidata
Male ♂
until the celebration
bloating
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
podophrya fixa
What if eaten?
Very dry
Neither
parasites diseases chytridiomycosis
candida sp.
corn starch
much snow in winter, cold
phyto-plankton
pallor
digestive disorder
world of Afrotropics
white spots in intestine
shell overgrowth
Freshwater
freshwater aquarium
rhizophydiosis
Always hot and wet
Warm summer with almost no rain
epistylis daphniae
parasites diseases sepsis
freshwater
chlorine and chloramine
Always very wet
How are they built?
marine
shallow near the shore, water rises and falls, crabs live here
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
systemic viral disease
virus like infection
freshwater environment — rivers, lakes, ponds, swamps
body distension
parasites diseases mass mortality
intestinal microsporidiosis
early death
Southeast Asia and islands, always hot and humid
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?
Denotes a grassland or steppe habitat preference.
Warm summer and lots of rain
rainforest
milky white coloration
very hot all year round, frequent rains, but sometimes dry
saprolegniosis
Lifespan maximum
high mortality
very hot and almost no precipitation
green algae
whole life
Sand grain
North America and Greenland, from tundra to forests
embryo
kg
lots of rain, warm and pleasant summer
yeast sepsis
Observations
Worker
Were {name} like {animal}, then:
birth time
parasites diseases antenna deformation
tokophrya quadripartita
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
m
pansporella perplexa
reduced fertility
g
overgrowth of exoskeleton
t
When your next jubilee falls in {name} life years
Human
hot Africa south of the desert, many savannas and forests
very cold, short summer, almost no trees, lots of moss
Mycoparasites
days
tocophryosis
How old you would be if you lived as {name}
summer from pleasant to very hot
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
swimming disorder
Maturity
organic debris
systemic vibriosis
respiratory failure under stress
About health
Warm or hot summer and rains
marine coastal
white inclusions
vahlkampfiosis
When your next birthday would fall if you lived as {name}
cu²⁺
homeostasis disorder
results
summer warm and almost no rain
cytopathic effect
skin redness
Southeast Asia and islands, always hot and humid
ordospora colligata
nematodosis
Sex
Upcoming jubilees
mo
candidiasis
little precipitation in winter, more in summer
aphanomyces daphniae
all seas and oceans
reproductive issues
summer very hot, dry, lots of grass
always hot and humid, huge trees and vines
standing fresh waters — lakes, ponds, oxbow lakes
Winter with snow
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Height
filling of body cavity
spirobacillus cienkowskii
decay
Age (juvenile)
Age (from birth to death)
flavobacterium columnare
Age (embryo)
chronic hypoxia
Tundra
general condition exam
echinostomiasis
Very cold winter and hot summer
pasteurellosis
summer warm, rains frequent
scenedesmus
What do they look like?
Maturity
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
birth / hatching
metamorphosis / end of larval stage
end of acceleration
Share
swampy freshwater biotopes — peat bogs, marshes, river mangroves
arid steppe hot
Find a pet...
Mature, fully developed individual capable of reproduction.
Cold sea
very cold winter and very hot summer
reduced survival
Pets
Indomalayan realm
reduced activity
shell deformation
Nearctic realm
deciduous forest
Indomalayan realm
gammarinema sp.
water quality check
iridovirus like agent
Find an animal or breed...
islands and part of Australia, many unusual animals and plants
Flooded grasslands
Viruses
wfcv
iridescent disease
extreme emaciation
Litter size
intestinal infection
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
parasites diseases segment necrosis
How to care for them?
emaciation
desert
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
°C
Not specified
all seas and oceans
chytridium olla
lots of rain, cool summer, snow in winter
Low precipitation in winter
Legendary longevity: over 100 years. Galapagos tortoises, Greenland sharks, ocean quahogs celebrate with family once every 4 years
Tropical moist forest
mass mortality
Very cold
Taxons
if born as {name}
cold, short summer, almost no trees
tissue destruction
white threads
age
water is almost always warm, even in winter you can swim, very hot in summer
Protein
green algae
Close
was
Marine world
Neotropical realm
ordosporosis
hemolymph sucking
white fat cell virus
secondary infection
developmental anomalies
Neotropical realm
Temperate sea
lots of grass, few trees, rains are rare
bacterial cascade multiplication
Water
d
medium clouding
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
islands and part of Australia, many unusual animals and plants
ulcerative lesions
age diag byColoration
summer very hot, above +25…+30 °C
Warm sea
purulent necrotic infection
dry bakers yeast
{name} birthday
iridovirus infection
cloudy hemolymph
lethargy
dcv
Nearctic realm
tissue destruction
age diag bySize
North America and Greenland, from tundra to forests
Observable decrease in normal movement or energy levels.
Pleasant summer
Cold and almost dry
hyphal mycosis
world of Afrotropics
molting and metamorphosis disruption
combination of infections
tissue necrosis
only bacteria
metschnikoviosis
spirulina
up to ~3 grams, up to 3 centimeters
respiratory disorder
intestinal trauma
yr
comfortable summer, +20…+25 °C
body deformity
Tundra
aphanomycosis
age as {name}
How do they breed?
male fertility reduction
mycelial overgrowth
What do they eat?
dry and cold almost all year round
Where do they live?
Marine world
from birth to death
traumatic shock
tissue spore formation
swimming disorder
early young
water often floods the land, lots of grass
Temperate mixed forest
Very hot and dry
hyphal growth
saline marine habitat
This is me
most of Europe and Asia, various forests, steppes and tundra
Steppe
exoskeleton necrosis
Gamers
vorticella
terrarium glass
vorticella sp.
systemic mycosis
Cool summer and lots of rain
cloudy body
microsporidiosis
Temperate steppe
coastal marine zone — shelf, neritic zone
complete paralysis
wk
My size?
temperament
very hot during the day, cold at night, almost no rain
Taiga
Asexual
swap
body cavity cysts
Who among us will transform as if by magic and become like {animal}?
picornaviral infection
Calcium
vibrio
celebrated their {n} birthday
pseudomonas
When you would have been born if you lived as {name}
Littoral Zone
intestinal mechanical damage
Daddies
temperate rainforest
summer not hot, from +15 to +25 °C
world of Australasia
parasites diseases population decline
Hermaphrodite ⚥
tissue necrosis
summer warm, many oaks, birches, maples
Length
◉{N} more on tap
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