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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Melanochromis lepidiadaptes
Cichlidae
Melanochromis lepidiadaptes
Cichlidae
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Pangio alternans
Cobitidae
Pangio alternans
Cobitidae
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sterlet sturgeon
Acipenseridae
sterlet sturgeon
Acipenseridae
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Nothobranchius korthausae
Cyprinodontidae
Nothobranchius korthausae
Cyprinodontidae
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Betta albimarginata
Osphronemidae
Betta albimarginata
Osphronemidae
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siberian sturgeon
Acipenseridae
siberian sturgeon
Acipenseridae
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Betta persephone
Osphronemidae
Betta persephone
Osphronemidae
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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atlantic goliath grouper
Serranidae
atlantic goliath grouper
Serranidae
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shortfin mako
Lamnidae
shortfin mako
Lamnidae
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duckbill eagle ray
Myliobatidae
duckbill eagle ray
Myliobatidae
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whitespotted eagle ray
Myliobatidae
whitespotted eagle ray
Myliobatidae
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sandbar shark
Carcharhinidae
sandbar shark
Carcharhinidae
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blue shark
Carcharhinidae
blue shark
Carcharhinidae
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basking shark
Cetorhinidae
basking shark
Cetorhinidae
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spinetail devil ray
Mobulidae
spinetail devil ray
Mobulidae
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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Hemiloricaria beni
Loricariidae
Hemiloricaria beni
Loricariidae
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Golden pencilfish
Lebiasinidae
Golden pencilfish
Lebiasinidae
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bushymouth catfish
Loricariidae
bushymouth catfish
Loricariidae
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Metynnis luna
Serrasalmidae
Metynnis luna
Serrasalmidae
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Hyphessobrycon clavatus
Characidae
Hyphessobrycon clavatus
Characidae
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mojarita
Characidae
mojarita
Characidae
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Apistogramma pulchra
Cichlidae
Apistogramma pulchra
Cichlidae
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Crenicichla marmorata
Cichlidae
Crenicichla marmorata
Cichlidae
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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ide
Cyprinidae
ide
Cyprinidae
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siberian sturgeon
Acipenseridae
siberian sturgeon
Acipenseridae
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mediterranean killifish
Cyprinodontidae
mediterranean killifish
Cyprinodontidae
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mediterranean barbel
Cyprinidae
mediterranean barbel
Cyprinidae
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northern pike
Esocidae
northern pike
Esocidae
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asp
Cyprinidae
asp
Cyprinidae
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schneider
Leuciscidae
schneider
Leuciscidae
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Salaria fluviatilis
Blenniidae
Salaria fluviatilis
Blenniidae
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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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
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Polybius henslowii
Polybiidae
Polybius henslowii
Polybiidae
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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tropical two-wing flyingfish
Exocoetidae
tropical two-wing flyingfish
Exocoetidae
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comber
Serranidae
comber
Serranidae
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axillary wrasse
Labridae
axillary wrasse
Labridae
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dover sole
Soleidae
dover sole
Soleidae
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picarel
Sparidae
picarel
Sparidae
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whiskered sole
Soleidae
whiskered sole
Soleidae
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atlantic lizardfish
Synodontidae
atlantic lizardfish
Synodontidae
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-bellied angler
Lophiidae
black-bellied angler
Lophiidae
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red mullet
Mullidae
red mullet
Mullidae
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common two-banded seabream
Sparidae
common two-banded seabream
Sparidae
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black-faced blenny
Tripterygiidae
black-faced blenny
Tripterygiidae
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zebra seabream
Sparidae
zebra seabream
Sparidae
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Boarfish
Caproidae
Boarfish
Caproidae
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wide-eyed flounder
Bothidae
wide-eyed flounder
Bothidae
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marbled torpedo ray
Torpedinidae
marbled torpedo ray
Torpedinidae
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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spanish hogfish
Labridae
spanish hogfish
Labridae
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lookdown
Carangidae
lookdown
Carangidae
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french grunt
Haemulidae
french grunt
Haemulidae
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porkfish
Haemulidae
porkfish
Haemulidae
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five-band surgeonfish
Acanthuridae
five-band surgeonfish
Acanthuridae
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longsnout seahorse
Syngnathidae
longsnout seahorse
Syngnathidae
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french angelfish
Pomacanthidae
french angelfish
Pomacanthidae
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cleaver wrasse
Labridae
cleaver wrasse
Labridae
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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striated surgeonfish
Acanthuridae
striated surgeonfish
Acanthuridae
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blacktip grouper
Serranidae
blacktip grouper
Serranidae
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yellow-speckled cave-goby
Gobiidae
yellow-speckled cave-goby
Gobiidae
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bluestripe snapper
Lutjanidae
bluestripe snapper
Lutjanidae
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false stonefish
Scorpaenidae
false stonefish
Scorpaenidae
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long-spine porcupinefish
Diodontidae
long-spine porcupinefish
Diodontidae
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squaretail bristletooth
Acanthuridae
squaretail bristletooth
Acanthuridae
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sixbar wrasse
Labridae
sixbar wrasse
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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Trichogaster lalius
Osphronemidae
Trichogaster lalius
Osphronemidae
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Paracheirodon axelrodi
Characidae
Paracheirodon axelrodi
Characidae
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suckermouth catfish
Loricariidae
suckermouth catfish
Loricariidae
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southern platyfish
Poeciliidae
southern platyfish
Poeciliidae
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orange clownfish
Pomacentridae
orange clownfish
Pomacentridae
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celestial pearl danio
Danionidae
celestial pearl danio
Danionidae
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Brichardi cichlid
Cichlidae
Brichardi cichlid
Cichlidae
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guppy
Poeciliidae
guppy
Poeciliidae