Click on the first letter of the common name.

Threatened Fish

Species 1 - 50 of 174 [ next ]
Airsac catfish (Heteropneustes microps)
The peculiar looking airsac catfish, known from only a few specimens, is an air-breathing, freshwater fish. A long air sac that... More1 Image0 Videos
Albacore tuna (Thunnus alalunga)
This large, oceanic fish is built for speed, with a torpedo-shaped body, smooth skin and streamlined fins. The albacore tuna... More1 Image0 Videos
Angel shark (Squatina squatina)
With its exceptionally flat body and large pectoral fins, the angel shark resembles a large ray more than a shark. Its skin... More4 Images0 Videos
Anguila ciega (Ophisternon infernale)
Like many cave-dwelling species, the Anguila ciega, otherwise known as the blind swamp eel, has lost its eyes and pigmentation... More5 Images0 Videos
Arapaima (Arapaima gigas)
The arapaima, or pirarucu as it is known in Brazil, is one of the largest freshwater fishes in the world. Its local name derives... More6 Images3 Videos
Asian arowana (Scleropages formosus)
Information on the Asian arowana is currently being researched and written and will appear here... More1 Image0 Videos
Asian sheepshead wrasse (Semicossyphus reticulatus)
One of the largest wrasses, the Asian sheepshead wrasse is an extraordinary pinkish-grey fish with large, swelling-like protrusions... More1 Image0 Videos
Atlantic halibut (Hippoglossus hippoglossus)
A highly sought after food fish, the Atlantic halibut is the largest flatfish in the world. Flatfish exhibit a unique and... More4 Images1 Video
Banded neolebias (Neolebias lozii)
Information on the banded neolebias is currently being researched and written and will appear here... More2 Images0 Videos
Barren's topminnow (Fundulus julisia)
Information on the Barren's topminnow is currently being researched and written and will appear here... More3 Images0 Videos
Basking shark (Cetorhinus maximus)
The basking shark is the second largest fish in the seas, after the whale shark (Rhincodon typus); its maximum size is thought... More8 Images3 Videos
Beluga (Huso huso)
The beluga is the largest sturgeon in the world and the largest European freshwater fish; it can reach up to 5 metres in length.... More3 Images1 Video
Bengaii cardinal fish (Pterapogon kauderni)
Information on the Bengaii cardinal fish is currently being researched and written and will appear here... More11 Images0 Videos
Big skate (Raja binoculata)
Aptly named, the big skate is the largest skate in North American waters. As with all skates, the body is flattened and disc-shaped... More6 Images0 Videos
Big-belly seahorse (Hippocampus abdominalis)
The big-belly seahorse is one of the largest of all seahorses, growing up to 35 cm in length. Like other seahorses, the head... More11 Images1 Video
Bigeye tuna (Thunnus obesus)
This large, fast-swimming tuna is an important target for numerous commercial fisheries around the world. The streamlined body... More3 Images0 Videos
Black sea bass (Stereolepis gigas)
As implied by its alternative name of giant sea bass, the most dramatic feature of this fish is its conspicuous size, with the... More7 Images0 Videos
Blacksaddled coral grouper (Plectropomus laevis)
Like other groupers, this rather wary, coral reef-dwelling fish is a large, robust species. It may be one of two colour forms: the... More4 Images0 Videos
Blackspotted torpedo (Torpedo fuscomaculata)
Information on the blackspotted torpedo is currently being researched and written and will appear here... More1 Image0 Videos
Blacktip reef shark (Carcharhinus melanopterus)
This is the most commonly encountered species of shark in tropical Indo-Pacific reefs. Its medium-sized, streamlined body... More11 Images1 Video
Blacktip shark (Carcharhinus limbatus)
The black tip shark is a large, stout shark, with a long, pointed snout and small eyes. Its torpedo-shaped body, grey... More14 Images1 Video
Blind shark (Brachaelurus waddi)
This small, stout shark gets its name from its habit of retracting its eyeballs, which causes its thick eyelids to close, when... More5 Images0 Videos
Blue shark (Prionace glauca)
The blue shark is easily identified by its beautifully coloured slender body, which is a deep indigo-blue across the back, shading... More15 Images4 Videos
Blue-spotted stingray (Taeniura lymma)
This colourful stingray is immediately recognisable by the large, bright, iridescent blue spots that adorn its oval, elongated... More18 Images1 Video
Bluespotted bamboo shark (Chiloscyllium plagiosum)
Information on the bluespotted bamboo shark is currently being researched and written and will appear here... More3 Images0 Videos
Bluntnose six-gill shark (Hexanchus griseus)
As its common name alludes, the bluntnose six-gill shark has a characteristically blunt rounded snout and six long gill slits... More6 Images2 Videos
Bocaccio rockfish (Sebastes paucispinus)
Information on the bocaccio rockfish is currently being researched and written and will appear here... More1 Image0 Videos
Boesman's rainbowfish (Melanotaenia boesemani)
Information on the Boesman's rainbowfish is currently being researched and written and will appear here... More3 Images0 Videos
Bonytail chub (Gila elegans)
Information on the bonytail chub is currently being researched and written and will appear here... More2 Images0 Videos
Bowmouth guitarfish (Rhina ancylostoma)
Named for its distinctive mouth which undulates like a longbow, this deep-bodied guitarfish is unmistakable. The species has... More3 Images0 Videos
Broadnose sevengill shark (Notorynchus cepedianus)
Information on the broadnose sevengill shark is currently being researched and written and will appear here... More4 Images0 Videos
Bronze whaler (Carcharhinus brachyurus)
Named for its bronze, or sometimes greyish-bronze upperside, this is a large, fairly slender shark with a moderately long and... More12 Images1 Video
Brown-marbled grouper (Epinephelus fuscoguttatus)
The brown-marbled grouper is a robust marine fish, with a pale yellowish-brown, scaled body, covered with large, irregular, dark... More3 Images0 Videos
Bull shark (Carcharhinus leucas)
The bull shark, named for its stocky body and ferocious reputation, is most famous for its remarkable ability to thrive in both... More12 Images3 Videos
Calico grouper (Epinephelus drummondhayi)
Information on the calico grouper is currently being researched and written and will appear here... More1 Image0 Videos
Camouflage grouper (Epinephelus polyphekadion)
Information on the camouflage grouper is currently being researched and written and will appear here... More9 Images0 Videos
Cave catfish (Clarias cavernicola)
The cave catfish is a freshwater, cave-dwelling fish. This unusual fish lacks pigment and appears a pinkish white colour. It has... More4 Images2 Videos
Chilean devil ray (Mobula tarapacana)
Information on the Chilean devil ray is currently being researched and written and will appear here... More4 Images0 Videos
Clanwilliam rock-catfish (Austroglanis gilli)
The Clanwilliam rock-catfish, found only in a few streams in South Africa, belongs to the family of Austroglanididae catfishes... More3 Images0 Videos
Coastal stingaree (Urolophus orarius)
The coastal stingaree is a rare endemic of southern Australian waters and is seldom seen in the wild. As with most rays, the body... More1 Image0 Videos
Coelacanth (Latimeria chalumnae)
The coelacanth is a ‘living fossil' previously believed to have gone extinct at the time of the dinosaurs until the first... More7 Images2 Videos
Common guitarfish (Rhinobatos rhinobatos)
Information on the common guitarfish is currently being researched and written and will appear here... More2 Images0 Videos
Common sawfish (Pristis pristis)
The common sawfish has an ironic name as it is actually a rare species, facing a very real possibility of extinction. The most... More1 Image0 Videos
Common seahorse (Hippocampus kuda)
The common seahorse is a relatively large species, which is not common as the English name suggests, but is classified... More4 Images0 Videos
Common skate (Dipturus batis)
The common skate is the largest European ray. The undersurface is dark grey with black spots or stripes and the uppersurface... More2 Images0 Videos
Congo blackfin (Altolamprologus calvus)
The Congo blackfin belongs to the Cichlidae, a family of freshwater fish that have adapted to a wide range of tiny ecological... More7 Images0 Videos
Crowned seahorse (Hippocampus coronatus)
This Japanese seahorse earns its common name for the tall, backward-curving crown on top of its head, which is coupled with rather... More1 Image0 Videos
Dama ciega blanca (Typhliasina pearsei)
Like many brotulids, this blind, cave-dwelling fish has evolved to exist completely without eyes. This unusual-looking species has... More5 Images0 Videos
Damba mipentina (Paretroplus maculatus)
Information on the damba mipentina is currently being researched and written and will appear here... More1 Image0 Videos
Danube salmon (Hucho hucho)
One of the world's biggest salmonids, the Danube salmon is now amongst the most endangered fish species in Europe. This sizeable... More1 Image0 Videos
Species 1 - 50 of 174 [ next ]