temperature above 35c
Immature form that undergoes metamorphosis before adulthood.
calcium deficiency
Hot and almost no precipitation
staphylococcus aureus
tobacco smoke
Heavy rains in summer
increased susceptibility
Map
excess secretion
Symptoms over 1–2 days.
summer mild, +15…+20 °C
cuticle spots
depends on care
wing deformities
temperature stabilization 28–30°C
white eye mutation
Warm summer
limb anomaly
complex
Rapid development within 1–4 days.
lameness
2–5 days.
Manifests in dense colonies within 7–14 days.
South and Central America, hot and humid, huge forests
Coconut
fusariosis
inbreeding in colony
limb autotomy complications
nematodiasis — rhabdias
very hot and almost no rain
ammonia poisoning
hereditary ataxia
sepsis bacterialis
rains are very rare, almost a desert
dehydration
congenital
30–60 days until death.
genetic jaw anomaly
infected bacteria
not required, monitoring
Warm or hot summer
Palearctic realm
Upcoming birthdays
coccidiosis — isospora
Lifespan
Detected 30–45 days after puberty.
isolation, wound treatment with antiseptic solution, increase humidity
Desert and dry shrubs
white skin spots
chronic trauma
old age
Affecting multiple organs or the entire body.
Very hot and almost dry
most of Europe and Asia, various forests, steppes and tundra
injury
rigidity
contaminated feces
Warm summer and frequent rains
Earliest developmental stage inside an egg or womb.
subclinical course
Develops over 14–25 days.
Lifespan average
water is almost always cold, there may be ice in winter, not hot in summer
introduction of infected individuals
comprehensive antimicrobial therapy, improvement of conditions
antibacterial therapy, complete substrate replacement
Rapid development over 2–5 days.
Develops over 5–10 days.
nutrient deficiency
hygiene, antiprotozoal agents, fecal removal
Freshwater
very cold, lots of snow and ice
from 0.5 to 0.8 kilograms, 0.5 – 1 meter
moulting disorder
starvation
fatal
Healing with mild injury in 7–14 days, with severe — sepsis in 3–5 days.
training aptitude
excess salt in feed
maintaining optimal conditions, reducing stress
hereditary defect
cm
genetic predisposition
multiple invasion
turns
Fat
Slow development over 14–30 days.
reduction of humidity, antiseptic treatment
local antiseptics, systemic antibiotics
depends on damage level
destruction of the sick, prevention
stress molting
destruction of the sick, disinfection
antitrematodal drugs, removal of intermediate hosts
neurotoxic parasites
Summer almost without rain
probiotics, antibiotics, diet
behavior change
Elders
Bro
Long-lasting or recurring health condition persisting over an extended period.
almost no rain in summer, more precipitation in winter
mild emaciation
pyrethroids
multiple parasites
malnutrition
birth date
fungal growth from body
conspecific aggression
Develops in 3–8 days, can lead to asphyxia.
During molting.
Career from 7 to 15 months. Dwarf hamsters, voles, field crickets celebrate their birthday twice a month
The basics
young after transformation
protozoa fungi
virus
favorable
lots of rain, summer not hot
Mass
antibiotics of the tetracycline series
Gestation
leg curvature
detoxification, immune support
Always hot
gregarinosis
photophobia
unfavorable at high dose
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.
Chronic with constant contact.
Chronic course 20–50 days.
birth year
humidity above 90
lots of rain, summer from warm to very hot
supportive care
fungicidal preparations, reduction of humidity below 60%, removal of affected animals
terrestrial habitat, land surface outside water
sq mm
impaired barrier functions
chronic toxins
Indicates a minor health issue that typically resolves with minimal intervention.
3–14 days.
until the celebration
What if eaten?
mucor mycosis
prevention, avoiding infection
much snow in winter, cold
immediate euthanasia of sick individuals
5–12 days.
digestive disorder
world of Afrotropics
fungicidal and antiprotozoal agents
nematode steinernema feltiae
thelastoma spp invasion
lack of ventilation
glugea
immune support, virus elimination
Always hot and wet
Warm summer with almost no rain
terrarium disinfection, antiparasitic drugs (ivermectin in microdoses), substrate replacement
frequent infections
How are they built?
salmonella spp
2–6 days to severe condition.
2–7 days.
mm
4–9 days.
ml
trematodiasis — haematoloechus
My age?
Serious or life-threatening health condition requiring urgent attention.
placement in a quiet location
unsteady gait
escherichia proteus
Southeast Asia and islands, always hot and humid
Progresses over 10–20 days.
Rabbits, falcons, red-eared turtles hang out for 6-9 years and party on their birthday four times a year
slow growth
rickettsia
hammerschmidtiella diesingi
stress
acaricidal treatments (pyrethroids in low concentration), cleaning
very hot and almost no precipitation
rickettsiosis
North America and Greenland, from tundra to forests
embryo
hormonal correction of the environment, stability
kg
body tremor
1–3 days.
antifungal agents, exclusion of sugars
lack of water
Chronic, 20–40 days.
severe intoxication
chronic constipation
microsporidian species infection
loss of appetite
m
liquid feces
microsporidium sp
g
t
refusal to eat
hot Africa south of the desert, many savannas and forests
depends on timely intervention
very cold, short summer, almost no trees, lots of moss
How old you would be if you lived as {name}
summer from pleasant to very hot
acanthamoeba
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.
immune support, optimal humidity
salivation
Warm or hot summer and rains
parasite
Rapid progression within 3–8 days.
complex antiparasitic and supportive therapy
insecticide exposure
Symptoms within 24–48 hours, recovery within 3–5 days after normalization.
summer warm and almost no rain
Southeast Asia and islands, always hot and humid
Begins 7–10 days after exceeding the density.
Chronic course, exacerbations after each molt.
systemic
Symptoms within 12–24 hours.
Sex
lethal
loud sounds
body stickiness
Choline
summer very hot, dry, lots of grass
sudden diet change
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
mixed bacterial-fungal infection
salivary gland disease
hemolymph
reduction of stress factors, stable microclimate
isolation, soft substrate
liquid stool
Tundra
Very cold winter and hot summer
moderate
Juvenile stage following larval metamorphosis but not yet adult.
summer warm, rains frequent
monodiet
Lifelong condition, manifests after the first molt.
white coating
Mature, fully developed individual capable of reproduction.
nematode infection
bacteria in respiratory cavity
Cold sea
Pets
Indomalayan realm
recessive mutation
high-protein diet, environmental detoxification
Indomalayan realm
delayed development
Involuntary shaking or trembling of the body.
discharge
Find an animal or breed...
terrestrial forest
antibacterial treatment, soft feed
Flooded grasslands
inability to fly
entomopathogenic nematodes
1–4 days.
2–6 days.
correction of osmotic regime, isolation
Litter size
5–15 days.
rapid breathing
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?
common diseases
°C
Not specified
cloudy eyes
all seas and oceans
hypothermia and bacteria
eating feces
gradual change of diet, probiotics
7–18 days.
Progresses within 5–12 days.
Signs at the nymph stage 4–6 appear 2–4 days before molting, lethal outcome within 7–12 days in severe cases.
electrolytes, antiprotozoal agents
mass mortality
Very cold
depends on severity
chronic stress
if born as {name}
water is almost always warm, even in winter you can swim, very hot in summer
Protein
egg deformation
antenna loss
raw potato
predatory mite infestation
Manifests after 2–3 molts.
5–10 days.
secondary infection
exoskeleton cracks
Neotropical realm
citrus fruits
Water
serratia pseudomonas bacteria
toxicoses
favorable for remaining
Symptoms appear within 1–6 hours, death occurs in 12–48 hours.
enteric infection
age diag byColoration
Warm sea
{name} birthday
Develops within 14–30 days.
moist environment
acanthamoebiasis
breathing problems
cannibalism
Chronic course, exacerbations every 14–21 days.
intestinal bleeding
deworming, hygiene
combination of infections
balance loss
chocolate
shortened antennae
draft
Symptoms appear 1–3 days after feeding, lasts 5–7 days.
Rapid deterioration.
comfortable summer, +20…+25 °C
Chronic, detected after 30 days.
severe
Frequently observed or widespread in the species or population.
fall
absence of feed more than 14 days
age as {name}
male fertility reduction
genetic anomalies
Health issue of intermediate seriousness, neither mild nor life-threatening.
Marine world
favorable early deworming
immediate substrate and feed change, detoxification with activated charcoal, abundant hydration
organic waste
chlamydia bacteria
wing deformity virus
Temperate mixed forest
Very hot and dry
7–14 days.
reduction in density to 1 individual per 10 cm², protein enrichment, shelters
Condition that typically results in death without intervention.
leidynema appendiculata
This is me
Steppe
coating on body
15–35 days.
viral immunosuppression
installation of a 12-hour light day, shelters
favorable after eliminating cause
Death within 4–9 days.
complete paralysis
absence of pigment in body
very hot during the day, cold at night, almost no rain
10–20 days.
isolation of sick individuals is recommended, optimization of humidity 70–80% and temperature 26–30°C, culling from breeding
Asexual
Develops 3–6 days after molting, can lead to death within 10 days.
hydration, antiseptics
Death within 24–72 hours.
defecation disorder
light avoidance
aspergillosis
When you would have been born if you lived as {name}
Daddies
addition of calcium and chitin to the diet, careful handling
summer not hot, from +15 to +25 °C
inability to feed
mixed parasitosis
Hermaphrodite ⚥
exoskeleton deformation
genetic diseases
3–8 days.
very hot and dry, rare rains, cacti live
conflicts
Develops within 2–4 days.
improvement of ventilation, reduction of density
During molts.
beauveria bassiana fungal infection
fat body parasitosis
will celebrate their {n} birthday
absence of ootheca
organ diseases
complete substrate replacement, ventilation, terrarium rinsing
increase in oxygen content, decrease in temperature
coccidiostats, hygiene
Litters lifetime count
very hot and very humid all year round, rain almost every day
South and Central America, hot and humid, huge forests
constant light
age diag byExoskeleton
red white coloration
infection
very heavy rains in summer, almost no precipitation in winter
minimization of anxiety, stable environment
hyperactivity
summer warm, winter not very cold
temperature for housing
cuticle cracks
cuticle pigmentation defect
surgical correction if possible, isolation
Cool summer
Gremllins
Develops within 30–90 minutes.
sepsis
favorable early culling
Filters
restoring humidity to 75%, providing a constant source of water, moistening the substrate
mechanical damage
increasing humidity to 85%, careful moistening of the individual
paralysis viralis
incomplete shedding
Develops over 4–8 days; in severe cases, death occurs within 10–14 days.
culling from the breeding stock
rains almost always, very humid
salmonellosis
Wanderers
flushing, fresh water, salt-free diet
Recovery within 7–14 days.
world of Australasia
Jubilee = every 10th birthday
Minimum space
wing necrosis
transition to a balanced diet (fruits, vegetables, grains, protein), addition of minerals
Business sausages
trauma frequent
cuticle ulcers
gregarina
progressive hind limb weakness
nosema like organisms
diarrhea
From 3 days to total damage within 10 days.
genetic anomaly
How do they behave?
gas accumulation
Carbohydrates
death
depends on correction
water is cool or warm, cold in winter, comfortable to swim in summer
Chronic with constant exposure.
average
all rivers and lakes
eye pigment absence
Lots of rain and cool summer
Hot steppe
{name} jubilee
Summer from cool to warm
excess sugar in feed
transport
Old-timers
culling
orientation disorder
Rascals
milk dairy
isolation, boosting immunity through nutrition, disinfection
favorable timely cleaning
hot Africa south of the desert, many savannas and forests
weak exoskeleton
Disease caused by pathogenic microorganisms: bacteria, viruses, fungi, or protozoa.
soft cuticle
white plaque in mouth
Mild course: first signs on day 3–7 after molting, stabilization by day 14. Severe: progressive deformation over 5–10 days, leading to inability to move by day 21.
Where are they found?
all rivers and lakes
steinernema heterorhabditis
hemolymph loss
wound
frequent relocations
unusual coloration
10–25 days.
Palearctic realm
reproduction gene mutation
diseases symptoms movement disorder
bradycardia
My weight?
dermatitis bacterialis
Non-stop carnival: they only live a few days. Mayflies, rotifers, midges celebrate their birthday more than twice a day
Progresses over 7–14 days.
molting disorder
Potential Habitat
malpighian tubule tumors
Very hot summer
stabilization of conditions, exclusion of stress
In husbandry
On the go from 1.3 to 3.5 years. Forest mice, anoles, rainbow fish party on their birthday once a month
Death in 21–45 days depending on temperature.
prevention, isolation of wiring
imported ticks
oats
vibration
No results found
3–7 days.
24–48 hours.
antibiotics, quarantine
parasites causes protein deficiency
unfavorable for reproduction
bradymetabolism
gradual introduction of feed, hydration
unsanitary keeping conditions
hormonal imbalance
unfavorable for breeding
grains and seeds
hind leg paralysis
unfavorable without treatment
anthelmintics, diet
dietary correction, elimination of the underlying cause, maintaining optimal temperature
Chronic course 14–40 days.
How similar?
basal membrane pathology
Lifelong carriage.
Male ♂
bloating
On the go from 3.5 to 6 years. Hedgehogs, crows, lizards treat themselves to birthday snacks 6 times a year
fungi
Very dry
Neither
Manifests on the 2–5 day after molting, chronic course.
soft feed, hand feeding
Manifests at the last molt, stably.
silicon dioxide
candidiasis
forests on land — tropical, temperate, boreal
fungicidal treatment, dryness
antiseptic lavages, isolation
Freshwater
Duration
parasitic diseases
sudden blindness
respiratory irritation
Always very wet
darkened body
3–10 days before death.
Theoretical lifespan
Stars
Link copied
Mild: 5–8 days. Severe: death within 24–72 hours.
uric acid accumulation
terrestrial
vegetables and fruits
deformities
early death
pale cuticle
microsporidia
inbreeding
improvement of ventilation, antifungal treatments, isolation
Where do they take shelter?
Warm summer and lots of rain
infectious diseases
unfavorable during epidemic
Disorder caused by inherited or mutation-based factors.
very hot all year round, frequent rains, but sometimes dry
Lifespan maximum
no specific treatment required, separate housing of the line is recommended
immediate isolation, antibiotics (tetracyclines, fluoroquinolones in microdoses), complete disinfection
diet correction, addition of probiotics
bacterial pneumonia
meat scraps
lots of rain, warm and pleasant summer
Observations
virus from other insects
Worker
toxin elimination, supportive therapy
birth time
hydration, detoxification, low-protein diet
loss of coordination
Dogs, dolphins, lynx hang out for 9-25 years and party on their birthday three times a year
4–10 days.
dirty substrate
When your next jubilee falls in {name} life years
Human
difficult molting
mineral supplementation, physiotherapy (massage)
10–25 days to critical condition.
days
Disease affecting specific internal organs or organ systems.
impaired hemolymph circulation
body consistency change
anthelmintic drugs, feed change
fipronil
Manifests after molting.
serratia septicemia
adult
mummification
disinfection, antimicrobial preparations, dry regimen
Health
About health
nutritional deficiency
toxic ticks
wet contaminated substrate
When your next birthday would fall if you lived as {name}
favorable in absence of infection
absence of limbs
results
gradual temperature increase, additional warmth
aromatic hydrocarbons
chronic
neural helminthiasis
Upcoming jubilees
pinkish coating
mo
little precipitation in winter, more in summer
rapid emaciation
all seas and oceans
Develops in 7–12 days.
protozoa in hemolymph
1–5 days.
enhanced hygiene, diet optimization
always hot and humid, huge trees and vines
Winter with snow
entomopathogenic bacteremia
Height
overheating
reducing stocking density, environmental enrichment
intensive antiparasitic therapy, supportive nutrition
Age (juvenile)
loss of smell response
Occurs during molting, lethal outcome within 24–48 hours in severe cases.
Age (from birth to death)
low air humidity
Age (embryo)
Age (larva)
removal from breeding
acaricidal treatment
fat body pathology
poor diet
immediate liquidation of the colony during an outbreak
laxative diets, antiparasitic agents
Develops over 7–14 days, chronic course.
young after fast growth
osmotic shock
Chronic course
What do they look like?
Maturity
Death within 3–7 days.
emergence (insects)
end of lifespan
How do they live?
fertilization / egg laying
birth / hatching
metamorphosis / end of larval stage
end of acceleration
depends on location and stage
Share
Find a pet...
disoriantation
reducing humidity, replacing the substrate, ventilation
bread
metarhizium anisopliae
boric acid
very cold winter and very hot summer
Symptoms within 1–3 days.
isolation, culling of affected individuals
reduced activity
Nearctic realm
broad-spectrum antibiotics in low doses, isolation
fecal oral route
fungicides, dryness, ventilation
cuticle shrunken
Wingspan
intermediate hosts
islands and part of Australia, many unusual animals and plants
gene mutation
extreme emaciation
transmission via oothecae
Stable condition after hatching.
microclimate optimization, anti-inflammatory measures
mold
Regeneration at the next moult (14–28 days).
age
Living from 25 to 40 years. Orangutans, bald eagles, African elephants celebrate their birthday twice a year
egg resorption
improvement of housing conditions, additional nutrition
bacillus thuringiensis
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
bacterial dysentery
Tropical moist forest
cuticle gene mutations
weight loss
nutrition forbidden name moldy feed
Present at birth due to genetic or developmental factors.
low temperature
Taxons
discoloration
serratia marcescens
systemic antiprotozoal drugs
female infertility
cold, short summer, almost no trees
plistophorosis
age
irritation
antibiotics, improvement of ventilation
Instantaneous or within 1 day.
high temperature
Close
was
dusty substrate
Marine world
neon tetra disease
white mycelium
Neotropical realm
overwatering
14–30 days.
chronic anorexia
parasitic cachexia
contact
increase in humidity, addition of carotene to the feed
hereditary albinism
stuck old cuticle
Temperate sea
immediate isolation and treatment
lots of grass, few trees, rains are rare
d
Detected after 40–60 days.
favorable life unfavorable reproduction
Mosquitoes, fruit flies, small crustaceans hustle for up to 7 months and throw a birthday party every week
lack of offspring
proportional dwarfism
islands and part of Australia, many unusual animals and plants
summer very hot, above +25…+30 °C
cloudy hemolymph
complete substrate replacement, disinfection
Mild: symptoms in 10–20 days. Severe: cachexia in 30–45 days.
Nearctic realm
age diag bySize
improvement of conditions, antibacterial therapy
North America and Greenland, from tundra to forests
depends on sanitation
hyperreactivity to stimuli
maintaining stable housing conditions, removal from breeding
Observable decrease in normal movement or energy levels.
oviduct atrophy
Pleasant summer
Cold and almost dry
world of Afrotropics
molting and metamorphosis disruption
light protection, separate housing
mild
immediate cooling to 28°C, humidification, ventilation
pesticide toxicity
unfavorable during epizootic
adult insect
yr
Manifests within 1–3 days after molting, lethal outcome.
esophagitis
fungicides, removal of affected
regular deworming of the colony
Tundra
How do they breed?
prevention, avoiding stress, disinfection
burns
crop ulceration
Lifelong.
from birth to adulthood
male infertility
toxin accumulation
What do they eat?
dry and cold almost all year round
Where do they live?
Immature individual that has not yet reached reproductive maturity.
from birth to death
early young
olfactory impairment
water often floods the land, lots of grass
metarhizium anisopliae mycosis
Manifests immediately after hatching, stable condition lifelong.
immediate destruction of the focus, fungicides
Mild: symptoms in 2–4 days. Severe: collapse in 5–7 days.
feed contamination
isolation, good nutrition
most of Europe and Asia, various forests, steppes and tundra
inherited aggression
Gamers
Indicates recovery is likely when appropriate husbandry is provided.
Cool summer and lots of rain
immediate isolation, fungicidal treatments, humidity reduction
wk
My size?
temperament
surface emergence
swap
high humidity in heat
Calcium
guarded depends on progression
celebrated their {n} birthday
eimeria like
Impaired or abnormal gait indicating limb or joint problems.
Develops within 3–7 days.
Illness caused by parasites such as worms, protozoa, or ectoparasites.
unfavorable
Symptoms for 4–7 days.
ifovirus infection
world of Australasia
heterorhabditis bacteriophora
improved nutrition, antimicrobial therapy
prevention, avoidance of biological preparations
summer warm, many oaks, birches, maples
Length
antibiotics, electrolytes, hygiene
severe dehydration
◉{N} more on tap