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 rubra
Osphronemidae
Betta rubra
Osphronemidae
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Betta rutilans
Osphronemidae
Betta rutilans
Osphronemidae
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zebra loach
Cobitidae
zebra loach
Cobitidae
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krabi mouth brooding betta
Osphronemidae
krabi mouth brooding betta
Osphronemidae
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siberian sturgeon
Acipenseridae
siberian sturgeon
Acipenseridae
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burmese rammy nose
Cyprinidae
burmese rammy nose
Cyprinidae
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Brevibora dorsiocellata
Danionidae
Brevibora dorsiocellata
Danionidae
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lake kutubu rainbowfish
Melanotaeniidae
lake kutubu rainbowfish
Melanotaeniidae
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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coach whipray
Dasyatidae
coach whipray
Dasyatidae
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yellowfin tuna
Scombridae
yellowfin tuna
Scombridae
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roughtail stingray
Dasyatidae
roughtail stingray
Dasyatidae
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basking shark
Cetorhinidae
basking shark
Cetorhinidae
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conger eel
Congridae
conger eel
Congridae
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duckbill eagle ray
Myliobatidae
duckbill eagle ray
Myliobatidae
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atlantic goliath grouper
Serranidae
atlantic goliath grouper
Serranidae
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tessellate moray
Muraenidae
tessellate moray
Muraenidae
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.
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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Corydoras burgessi
Callichthyidae
Corydoras burgessi
Callichthyidae
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Lonchogenys ilisha
Acestrorhynchidae
Lonchogenys ilisha
Acestrorhynchidae
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shirui
Callichthyidae
shirui
Callichthyidae
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Apistogramma mendezi
Cichlidae
Apistogramma mendezi
Cichlidae
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Exodon paradoxus
Characidae
Exodon paradoxus
Characidae
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Scobinancistrus aureatus
Loricariidae
Scobinancistrus aureatus
Loricariidae
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Boehlkea fredcochui
Characidae
Boehlkea fredcochui
Characidae
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Chilodus punctatus
Chilodontidae
Chilodus punctatus
Chilodontidae
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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bleak
Leuciscidae
bleak
Leuciscidae
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Gobio occitaniae
Gobionidae
Gobio occitaniae
Gobionidae
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round goby
Gobiidae
round goby
Gobiidae
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wels catfish
Siluridae
wels catfish
Siluridae
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Aphanius farsicus
Cyprinodontidae
Aphanius farsicus
Cyprinodontidae
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rhône streber
Percidae
rhône streber
Percidae
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bullhead
Cottidae
bullhead
Cottidae
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sturgeon
Acipenseridae
sturgeon
Acipenseridae
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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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
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common banded mantis shrimp
Lysiosquillidae
common banded mantis shrimp
Lysiosquillidae
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whitespotted hermit
Diogenidae
whitespotted hermit
Diogenidae
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common prawn
Palaemonidae
common prawn
Palaemonidae
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Neopetrolisthes maculatus
Porcellanidae
Neopetrolisthes maculatus
Porcellanidae
The mollusks
From snails to squids, there are now 50,000 recorded
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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
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Clea helena
Nassariidae
Clea helena
Nassariidae
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common octopus
Octopodidae
common octopus
Octopodidae
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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madeira rockfish
Scorpaenidae
madeira rockfish
Scorpaenidae
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striped seabream
Sparidae
striped seabream
Sparidae
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atlantic stargazer
Uranoscopidae
atlantic stargazer
Uranoscopidae
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longsnout pipefish
Syngnathidae
longsnout pipefish
Syngnathidae
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black sea silverside
Atherinidae
black sea silverside
Atherinidae
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Helicolenus dactylopterus
Sebastidae
Helicolenus dactylopterus
Sebastidae
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red-mouthed goby
Gobiidae
red-mouthed goby
Gobiidae
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european pilchard
Clupeidae
european pilchard
Clupeidae
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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black scorpionfish
Scorpaenidae
black scorpionfish
Scorpaenidae
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karanteen
Sparidae
karanteen
Sparidae
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brown meagre
Sciaenidae
brown meagre
Sciaenidae
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blotched picarel
Sparidae
blotched picarel
Sparidae
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redlip blenny
Blenniidae
redlip blenny
Blenniidae
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zebra seabream
Sparidae
zebra seabream
Sparidae
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flying gurnard
Dactylopteridae
flying gurnard
Dactylopteridae
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blennie diabolo
Blenniidae
blennie diabolo
Blenniidae
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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blue tang surgeonfish
Acanthuridae
blue tang surgeonfish
Acanthuridae
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horse-eye jack
Carangidae
horse-eye jack
Carangidae
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yellowtail snapper
Lutjanidae
yellowtail snapper
Lutjanidae
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long-spine porcupinefish
Diodontidae
long-spine porcupinefish
Diodontidae
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fairy basslet
Grammatidae
fairy basslet
Grammatidae
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sharknose goby
Gobiidae
sharknose goby
Gobiidae
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threespot damselfish
Pomacentridae
threespot damselfish
Pomacentridae
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plate fish
Bothidae
plate fish
Bothidae
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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sapphire damsel
Pomacentridae
sapphire damsel
Pomacentridae
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long-spine porcupinefish
Diodontidae
long-spine porcupinefish
Diodontidae
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scissortail sergeant
Pomacentridae
scissortail sergeant
Pomacentridae
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blackburn's butterflyfish
Chaetodontidae
blackburn's butterflyfish
Chaetodontidae
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striated surgeonfish
Acanthuridae
striated surgeonfish
Acanthuridae
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yellow-speckled cave-goby
Gobiidae
yellow-speckled cave-goby
Gobiidae
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orbicular batfish
Ephippidae
orbicular batfish
Ephippidae
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queen coris
Labridae
queen coris
Labridae
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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freshwater dwarf shrimps
The tiny jewels of tropical rivers
freshwater dwarf shrimps
The tiny jewels of tropical rivers
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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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freshwater angelfish
Cichlidae
freshwater angelfish
Cichlidae
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Paracheirodon innesi
Characidae
Paracheirodon innesi
Characidae
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suckermouth catfish
Loricariidae
suckermouth catfish
Loricariidae
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Trichogaster lalius
Osphronemidae
Trichogaster lalius
Osphronemidae
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green swordtail
Poeciliidae
green swordtail
Poeciliidae
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clown anemonefish
Pomacentridae
clown anemonefish
Pomacentridae
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celestial pearl danio
Danionidae
celestial pearl danio
Danionidae
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southern platyfish
Poeciliidae
southern platyfish
Poeciliidae