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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Aphyosemion volcanum
Nothobranchiidae
Aphyosemion volcanum
Nothobranchiidae
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Betta channoides
Osphronemidae
Betta channoides
Osphronemidae
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giant pangasius
Siluridae
giant pangasius
Siluridae
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Sahyadria denisonii
Cyprinidae
Sahyadria denisonii
Cyprinidae
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Alestopetersius nigropterus
Alestidae
Alestopetersius nigropterus
Alestidae
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aruli barb
Cyprinidae
aruli barb
Cyprinidae
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bleher's rainbowfish
Melanotaeniidae
bleher's rainbowfish
Melanotaeniidae
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pez lápiz
Lebiasinidae
pez lápiz
Lebiasinidae
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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angler fish
Lophiidae
angler fish
Lophiidae
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scalloped hammerhead
Carcharhinidae
scalloped hammerhead
Carcharhinidae
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spotted eagle ray
Aetobatidae
spotted eagle ray
Aetobatidae
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common stingray
Dasyatidae
common stingray
Dasyatidae
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grey reef shark
Carcharhinidae
grey reef shark
Carcharhinidae
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coelacanth
Latimeriidae
coelacanth
Latimeriidae
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atlantic cod
Gadidae
atlantic cod
Gadidae
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spiny butterfly ray
Gymnuridae
spiny butterfly ray
Gymnuridae
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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striped headstander
Anostomidae
striped headstander
Anostomidae
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Farlowella platorynchus
Loricariidae
Farlowella platorynchus
Loricariidae
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Apistogramma sp. 'Vielfleck'
Cichlidae
Apistogramma sp. 'Vielfleck'
Cichlidae
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Hyphessobrycon clavatus
Characidae
Hyphessobrycon clavatus
Characidae
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Hyphessobrycon stictus
Characidae
Hyphessobrycon stictus
Characidae
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Apistogramma pulchra
Cichlidae
Apistogramma pulchra
Cichlidae
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Hyphessobrycon loretoensis
Characidae
Hyphessobrycon loretoensis
Characidae
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Apistogramma cacatuoides
Cichlidae
Apistogramma cacatuoides
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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largemouth black bass
Centrarchidae
largemouth black bass
Centrarchidae
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rudd
Leuciscidae
rudd
Leuciscidae
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Salaria fluviatilis
Blenniidae
Salaria fluviatilis
Blenniidae
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gudgeon
Gobionidae
gudgeon
Gobionidae
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european bitterling
Cyprinidae
european bitterling
Cyprinidae
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bullhead
Cottidae
bullhead
Cottidae
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dace
Cyprinidae
dace
Cyprinidae
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Gobio occitaniae
Gobionidae
Gobio occitaniae
Gobionidae
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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Neocaridina davidi ”Yellow Rili”
Atyidae
Neocaridina davidi ”Yellow Rili”
Atyidae
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Tubuca dussumieri
Ocypodidae
Tubuca dussumieri
Ocypodidae
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Enoplometopus occidentalis
Enoplometopidae
Enoplometopus occidentalis
Enoplometopidae
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Panulirus argus
Palinuridae
Panulirus argus
Palinuridae
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bamboo shrimp
Atyidae
bamboo shrimp
Atyidae
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Harlequin Shrimp
Palaemonidae
Harlequin Shrimp
Palaemonidae
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Panulirus versicolor
Palinuridae
Panulirus versicolor
Palinuridae
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Grapsus albolineatus
grapsidae
Grapsus albolineatus
grapsidae
The mollusks
From snails to squids, there are now 50,000 recorded
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Octopus cyanea
Octopodidae
Octopus cyanea
Octopodidae
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Thaumoctopus mimicus
Octopodidae
Thaumoctopus mimicus
Octopodidae
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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
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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striped red mullet
Mullidae
striped red mullet
Mullidae
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thinlip grey mullet
Mugilidae
thinlip grey mullet
Mugilidae
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blacktail comber
Serranidae
blacktail comber
Serranidae
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striped seabream
Sparidae
striped seabream
Sparidae
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rouquié
Labridae
rouquié
Labridae
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tub gurnard
Triglidae
tub gurnard
Triglidae
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leaping mullet
Mugilidae
leaping mullet
Mugilidae
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common dentex
Sparidae
common dentex
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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madeira rockfish
Scorpaenidae
madeira rockfish
Scorpaenidae
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cardinal fish
Apogonidae
cardinal fish
Apogonidae
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blennie diabolo
Blenniidae
blennie diabolo
Blenniidae
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ornate wrasse
Labridae
ornate wrasse
Labridae
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african striped grunt
Haemulidae
african striped grunt
Haemulidae
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red scorpionfish
Scorpaenidae
red scorpionfish
Scorpaenidae
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dover sole
Soleidae
dover sole
Soleidae
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ocellate torpedo
Torpedinidae
ocellate torpedo
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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eyed flounder
Bothidae
eyed flounder
Bothidae
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bicolor damselfish
Pomacentridae
bicolor damselfish
Pomacentridae
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blue tang surgeonfish
Acanthuridae
blue tang surgeonfish
Acanthuridae
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yellowtail snapper
Lutjanidae
yellowtail snapper
Lutjanidae
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pelagic stingray
Dasyatidae
pelagic stingray
Dasyatidae
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rock beauty
Pomacanthidae
rock beauty
Pomacanthidae
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sheepshead
Sparidae
sheepshead
Sparidae
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bluestriped grunt
Haemulidae
bluestriped grunt
Haemulidae
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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rockmover wrasse
Labridae
rockmover wrasse
Labridae
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blue-green Chromis
Pomacentridae
blue-green Chromis
Pomacentridae
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Abudefduf margariteus
Pomacentridae
Abudefduf margariteus
Pomacentridae
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Synanceia verrucosa
Synanceiidae
Synanceia verrucosa
Synanceiidae
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sling-jaw wrasse
Labridae
sling-jaw wrasse
Labridae
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sapphire damsel
Pomacentridae
sapphire damsel
Pomacentridae
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Ostracion trachys
Ostraciidae
Ostracion trachys
Ostraciidae
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blue-lined wrasse
Labridae
blue-lined 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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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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green swordtail
Poeciliidae
green swordtail
Poeciliidae
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Brichardi cichlid
Cichlidae
Brichardi cichlid
Cichlidae
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Paracheirodon axelrodi
Characidae
Paracheirodon axelrodi
Characidae
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Siamese fighting fish
Osphronemidae
Siamese fighting fish
Osphronemidae
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harlequin rasbora
Danionidae
harlequin rasbora
Danionidae
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suckermouth catfish
Loricariidae
suckermouth catfish
Loricariidae
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freshwater angelfish
Cichlidae
freshwater angelfish
Cichlidae
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Trichogaster lalius
Osphronemidae
Trichogaster lalius
Osphronemidae