Stomias affinis is a deep-water fish with a long slender body and a large head. It lives in complete darkness at great depths and uses a luminous lure to attract prey.
Stomias affinis is distinguished by its enormous mouth, sharp teeth and a special luminous lure. It occupies an important place in the deep ocean food chain, eating small animals and becoming prey for larger fish.
Immature form that undergoes metamorphosis before adulthood.
Worker
birth time
Pelagic Ocean
ambush
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
bioluminescence
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}
crustaceans
suction
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.
small planktonic crustaceans — copepods, krill
whiskers
Captures food by straining water or substrate through specialized structures.
adult
Maturity
fish of small size
live marine and freshwater shrimps
24 to 38 grams, 10 – 25 centimeters
About health
When your next birthday would fall if you lived as {name}
results
Colors
Sex
Upcoming jubilees
Gremllins
mo
Teeth color
all seas and oceans
Trophic type
Filters
small fish
Upcoming birthdays
Truly long lives: 40-100 years. Bowhead whales, albatrosses, giant tortoises recall their birthday at most once a year
Lifespan
Age (from birth to death)
most of Europe and Asia, various forests, steppes and tundra
Wanderers
Attracts prey using bait, mimicry, or luminescent lure.
far from shore, deep water, large whales and sharks live here
world of Australasia
Barbel size
Jubilee = every 10th birthday
Draws prey or water into the mouth by creating negative pressure.
Earliest developmental stage inside an egg or womb.
Business sausages
Lifespan average
water is almost always cold, there may be ice in winter, not hot in summer
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
Barbel color
end of acceleration
Share
Find a pet...
Mature, fully developed individual capable of reproduction.
Cold sea
Egg count
Actively hunting and capturing live prey.
Pets
Indomalayan realm
lateral line
{name} jubilee
Photophores count
cm
Old-timers
Find an animal or breed...
turns
Rascals
hot Africa south of the desert, many savannas and forests
Teeth size
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
Egg color
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
Photophores color
Offspring
Elders
Bro
Taxons
carnivore
if born as {name}
age
Predator remains still and concealed before launching a sudden attack.
birth date
Head size
Palearctic realm
no permanent shelter
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
Potential Habitat
suction
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
Body size
islands and part of Australia, many unusual animals and plants
{name} birthday
No results found
On the map
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?
luring
Neither
Mouthpart modified to create suction for ingesting food or anchoring.
What do they eat?
Where do they live?
Marine world
early young
bioluminescence
world of Afrotropics
Duration
filter feeding
Fins color
saline marine habitat
This is me
Gamers
Teeth count
How are they built?
marine
mm
Theoretical lifespan
ml
Stars
Link copied
My age?
wk
My size?
Asexual
swap
Southeast Asia and islands, always hot and humid
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?
Sensory system detecting water movements to locate prey.
Head color
celebrated their {n} birthday
When you would have been born if you lived as {name}
Daddies
Lifespan maximum
Hermaphrodite ⚥
shrimp
Tomato
embryo
Length
kg
Observations
◉{N} more on tap