Encyclopedias of species
Endangered fish
Many species are currently vulnerable. Out of the 10,500 freshwater fish species whose conservation status has been assessed by the IUCN, 30% are considered endangered.
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Betta rutilans
Osphronemidae
Betta rutilans
Osphronemidae
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Nematolebias papilliferus
Cyprinodontidae
Nematolebias papilliferus
Cyprinodontidae
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carachamita
Loricariidae
carachamita
Loricariidae
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Pangio alternans
Cobitidae
Pangio alternans
Cobitidae
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rhône streber
Percidae
rhône streber
Percidae
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sterlet sturgeon
Acipenseridae
sterlet sturgeon
Acipenseridae
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mini dragon loach
Nemacheilidae
mini dragon loach
Nemacheilidae
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Sahyadria denisonii
Cyprinidae
Sahyadria denisonii
Cyprinidae
The giants of the oceans
Nowadays, the large aquatic species are becoming rare and threatened due to overfishing. Many of these species have slow growth rates and have been heavily targeted over the past centuries, with a peak in the 1990s.
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whale shark
Rhincodontidae
whale shark
Rhincodontidae
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tawny nurse shark
Ginglymostomatidae
tawny nurse shark
Ginglymostomatidae
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blue-spotted cornetfish
Fistulariidae
blue-spotted cornetfish
Fistulariidae
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Alopias pelagicus
alopiidae
Alopias pelagicus
alopiidae
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sturgeon
Acipenseridae
sturgeon
Acipenseridae
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common stingray
Dasyatidae
common stingray
Dasyatidae
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green moray
Muraenidae
green moray
Muraenidae
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conger eel
Congridae
conger eel
Congridae
Jewels of the reefs
Coral reefs showcase the most extravagant marine fauna. All sizes, shapes, colors, and patterns come together in this joyful parade. Reefs are essential for marine balance.
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Triggerfishes
The bullies of the reefs
Triggerfishes
The bullies of the reefs
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Surgeonfish
The Scalpel Specialists
Surgeonfish
The Scalpel Specialists
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Clownfish
The residents of the anemones
Clownfish
The residents of the anemones
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seahorses
Seahorses
seahorses
Seahorses
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breams and basses
breams and basses
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scorpionfishes
Scorpionfishes
scorpionfishes
Scorpionfishes
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The fish of the Amazon
The Amazon, the largest freshwater basin in the world, is characterized by the diversity of its habitats and numerous biodiversity hotspots. In 2024, over 2,500 fish species were recorded there, but research and exploration efforts are still ongoing.
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Hyphessobrycon eschwartzae
Characidae
Hyphessobrycon eschwartzae
Characidae
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Serrasalmus manueli
Serrasalmidae
Serrasalmus manueli
Serrasalmidae
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Myloplus schomburgkii
Serrasalmidae
Myloplus schomburgkii
Serrasalmidae
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purple emperor tetra
Characidae
purple emperor tetra
Characidae
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Crenicichla regani
Cichlidae
Crenicichla regani
Cichlidae
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Myloplus asterias
Serrasalmidae
Myloplus asterias
Serrasalmidae
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Panaque sp. L191
Loricariidae
Panaque sp. L191
Loricariidae
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shirui
Callichthyidae
shirui
Callichthyidae
The fish Europeans
Not always known to the general public, the fauna that inhabits our lakes, rivers, and streams is very diverse. The arrival of invasive species and the drying up of wetlands threaten nearly a quarter of Europe's freshwater fish species.
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largemouth black bass
Centrarchidae
largemouth black bass
Centrarchidae
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twaite shad
Clupeidae
twaite shad
Clupeidae
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freshwater bream
Leuciscidae
freshwater bream
Leuciscidae
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ide
Cyprinidae
ide
Cyprinidae
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asp
Cyprinidae
asp
Cyprinidae
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gudgeon
Gobionidae
gudgeon
Gobionidae
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schneider
Leuciscidae
schneider
Leuciscidae
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european eel
Anguillidae
european eel
Anguillidae
of the Americas
Present on Earth before the dinosaurs, snakes have inspired numerous myths and beliefs, from the depths of the Amazon to the Bible.
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green anaconda
Boidae
green anaconda
Boidae
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rainbow snake
Colubridae
rainbow snake
Colubridae
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red-bellied mudsnake
Colubridae
red-bellied mudsnake
Colubridae
The crustaceans
With their warrior-like appearance, crustaceans are exceptional cleaners and scavengers. There are now over 50,000 species with forms as diverse as daphnia, crabs, or mantis shrimp.
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Panulirus versicolor
Palinuridae
Panulirus versicolor
Palinuridae
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Grapsus albolineatus
grapsidae
Grapsus albolineatus
grapsidae
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Scyllarides squamosus
Scyllaridae
Scyllarides squamosus
Scyllaridae
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Panulirus longipes
Palinuridae
Panulirus longipes
Palinuridae
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Alpheus randalli
Alpheidae
Alpheus randalli
Alpheidae
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Atyopsis moluccensis
Atyidae
Atyopsis moluccensis
Atyidae
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Mediterranean Spider Crab
Majidae
Mediterranean Spider Crab
Majidae
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Macrobrachium lar
Palaemonidae
Macrobrachium lar
Palaemonidae
The mollusks
From snails to squids, there are now 50,000 recorded
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blue dragon / blue sea slug
Glaucidae
blue dragon / blue sea slug
Glaucidae
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Rochia nilotica
tegulidae
Rochia nilotica
tegulidae
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Nautilus macromphalus
Nautilidae
Nautilus macromphalus
Nautilidae
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Charonia tritonis
Charoniidae
Charonia tritonis
Charoniidae
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Argonauta argo
Argonautidae
Argonauta argo
Argonautidae
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elongate giant clam
Cardiidae
elongate giant clam
Cardiidae
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Clithon diadema
Neritidae
Clithon diadema
Neritidae
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Cypraea tigris
Cypraeidae
Cypraea tigris
Cypraeidae
The fish of the Mediterranean
There are over 700 fish species recorded in the Mediterranean Sea. Many species, especially in the wrasse family, only inhabit these waters, which are now heavily impacted by human activities.
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greater weever
Trachinidae
greater weever
Trachinidae
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green wrasse
Labridae
green wrasse
Labridae
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sand sole
Soleidae
sand sole
Soleidae
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bermuda sea chub
Kyphosidae
bermuda sea chub
Kyphosidae
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brown meagre
Sciaenidae
brown meagre
Sciaenidae
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atlantic stargazer
Uranoscopidae
atlantic stargazer
Uranoscopidae
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tropical two-wing flyingfish
Exocoetidae
tropical two-wing flyingfish
Exocoetidae
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red porgy
Sparidae
red porgy
Sparidae
The fish of the Canary Islands
Located off the coast of Morocco, the Canary Islands host unique marine biodiversity, blending species from the Mediterranean Sea with the first subtropical animals of the Atlantic Ocean. Here, you can find flute fish, several species of damselfish, and pufferfish, among others.
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short-snouted seahorse
Syngnathidae
short-snouted seahorse
Syngnathidae
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atlantic chub mackerel
Scombridae
atlantic chub mackerel
Scombridae
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swallowtail seaperch
Anthiadidae
swallowtail seaperch
Anthiadidae
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brown moray
Muraenidae
brown moray
Muraenidae
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azores chromis
Pomacentridae
azores chromis
Pomacentridae
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Echiichthys vipera
Trachinidae
Echiichthys vipera
Trachinidae
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island grouper
Serranidae
island grouper
Serranidae
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comber
Serranidae
comber
Serranidae
The fish of the Caribbean
The Caribbean Sea is home to the world's second-largest coral reef, the Mesoamerican Barrier Reef. This coral barrier stretches for about 1,000 km along the Caribbean coast of Mexico, Belize, Guatemala, and Honduras. It houses 10% of the world's coral reefs and over 1,400 species of fish and marine mammals.
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flying gurnard
Dactylopteridae
flying gurnard
Dactylopteridae
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blue runner
Carangidae
blue runner
Carangidae
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sergeant major
Pomacentridae
sergeant major
Pomacentridae
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cleaver wrasse
Labridae
cleaver wrasse
Labridae
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atlantic bonito
Scombridae
atlantic bonito
Scombridae
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longspine squirrelfish
Holocentridae
longspine squirrelfish
Holocentridae
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lookdown
Carangidae
lookdown
Carangidae
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fairy basslet
Grammatidae
fairy basslet
Grammatidae
The fish of Réunion and the western Indian Ocean
A volcanic island situated west of the Indian Ocean, Réunion has a discontinuous belt of lagoons formed by coral reefs. In the lagoons protected by coral barriers, aquatic fauna is easily accessible to divers and bathers. Unfortunately, these areas are often degraded by human activities.
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fire goby
Ptereleotridae
fire goby
Ptereleotridae
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raccoon butterflyfish
Chaetodontidae
raccoon butterflyfish
Chaetodontidae
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yellowspotted triggerfish
Balistidae
yellowspotted triggerfish
Balistidae
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bennett's sharpnose puffer
Tetraodontidae
bennett's sharpnose puffer
Tetraodontidae
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Synanceia verrucosa
Synanceiidae
Synanceia verrucosa
Synanceiidae
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squaretail bristletooth
Acanthuridae
squaretail bristletooth
Acanthuridae
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long-spine porcupinefish
Diodontidae
long-spine porcupinefish
Diodontidae
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twospot turkeyfish
Scorpaenidae
twospot turkeyfish
Scorpaenidae
The stars of freshwater
There are countless species available to populate your aquariums, but how do you choose? Behavior, size, longevity, reproduction... discover which ones will adapt best to your project and desires.
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dwarf cichlids
The small tropical territorial fish
dwarf cichlids
The small tropical territorial fish
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livebearers
Mosquito eaters
livebearers
Mosquito eaters
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Loaches
Loaches
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freshwater dwarf shrimps
The tiny jewels of tropical rivers
freshwater dwarf shrimps
The tiny jewels of tropical rivers
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catfish
catfish
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Icons of the aquarium hobby
Fighters, guppies, angelfish, discus... these fish have fascinated generations of enthusiasts. However, it's very important to know their maintenance requirements well, allowing them to have a long and enjoyable life by your side.
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orange clownfish
Pomacentridae
orange clownfish
Pomacentridae
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Trichogaster lalius
Osphronemidae
Trichogaster lalius
Osphronemidae
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suckermouth catfish
Loricariidae
suckermouth catfish
Loricariidae
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guppy
Poeciliidae
guppy
Poeciliidae
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clown anemonefish
Pomacentridae
clown anemonefish
Pomacentridae
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green swordtail
Poeciliidae
green swordtail
Poeciliidae
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zebra danio
Danionidae
zebra danio
Danionidae
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Cyprinus rubrofuscus « Koï »
Cyprinidae
Cyprinus rubrofuscus « Koï »
Cyprinidae