Click on the first letter of the common name.

Threatened Fish

Species 51 - 100 of 174 [ previous ] [ next ]
Thumbnail for Daska (Pseudophoxinus stymphalicus)
Daska (Pseudophoxinus stymphalicus)
Typical of most cyprinids, the daska is a small, silvery-brown fish, sometimes with a slight purplish sheen in the light, but... More0 Videos
Thumbnail for Denise's pygmy seahorse (Hippocampus denise)
Denise's pygmy seahorse (Hippocampus denise)
Denise's pygmy seahorse is a master of camouflage, its orange colouration and body tubercles exactly matching the stems and polyps... More0 Videos
Thumbnail for Devil's Hole pupfish (Cyprinodon diabolis)
Devil's Hole pupfish (Cyprinodon diabolis)
Found only in a single desert spring in Nevada, USA, this tiny fish has the most restricted range of any vertebrate. The smallest... More0 Videos
Thumbnail for Diamond ray (Gymnura natalensis)
Diamond ray (Gymnura natalensis)
Information on the diamond ray is currently being researched and written and will appear here... More0 Videos
Thumbnail for Double sash butterflyfish (Chaetodon marleyi)
Double sash butterflyfish (Chaetodon marleyi)
The double sash butterflyfish is superbly suited to its common name; it swims with flitting movements, evocative of the flight... More0 Videos
Thumbnail for Dusky grouper (Epinephelus marginatus)
Dusky grouper (Epinephelus marginatus)
Jacques Cousteau reportedly said that groupers were the strangest creatures he had come across at sea. The dusky grouper... More0 Videos
Thumbnail for Dwarf seahorse (Hippocampus zosterae)
Dwarf seahorse (Hippocampus zosterae)
Information on the dwarf seahorse is currently being researched and written and will appear here... More0 Videos
Thumbnail for Estuarine pipefish (Syngnathus watermeyeri)
Estuarine pipefish (Syngnathus watermeyeri)
This slender, cylindrical fish was believed to be extinct in the early 1990s until a miraculous rediscovery in 1995, but the... More0 Videos
Thumbnail for European sea sturgeon (Acipenser sturio)
European sea sturgeon (Acipenser sturio)
One of the largest European fish to breed in rivers, the European sea sturgeon has been fished to the brink of extinction... More0 Videos
Thumbnail for Frilled shark (Chlamydoselachus anguineus)
Frilled shark (Chlamydoselachus anguineus)
Information on the frilled shark is currently being researched and written and will appear here... More0 Videos
Thumbnail for Galapagos shark (Carcharhinus galapagensis)
Galapagos shark (Carcharhinus galapagensis)
Information on the Galapagos shark is currently being researched and written and will appear here... More0 Videos
Thumbnail for Giant catfish (Pangasianodon gigas)
Giant catfish (Pangasianodon gigas)
The giant catfish is the world's largest freshwater fish. It has a whitish underside and the back and fins are grey. The eyes are... More
Thumbnail for Giant devilray (Mobula mobular)
Giant devilray (Mobula mobular)
This immense, graceful ray has large, pointed pectoral fins which enables it to traverse great stretches of ocean with gentle... More0 Videos
Thumbnail for Giant freshwater stingray (Himantura chaophraya)
Giant freshwater stingray (Himantura chaophraya)
Awe-inspiringly large, the giant freshwater stingray lives up to its name, possessing a venomous sting and a large whip-like tail.... More0 Videos
Thumbnail for Giant guitarfish (Rhynchobatus djiddensis)
Giant guitarfish (Rhynchobatus djiddensis)
Its large, elongated, greyish-coloured body, two tall dorsal fins, and a large scythe-like tail give this fish its remarkable... More0 Videos
Thumbnail for Gila topminnow (Poeciliopsis occidentalis)
Gila topminnow (Poeciliopsis occidentalis)
The Gila topminnow is a small, silvery-tan to olive-coloured fish that is darker above, and yellowish to white on the belly.... More0 Videos
Thumbnail for Golden cownose ray (Rhinoptera steindachneri)
Golden cownose ray (Rhinoptera steindachneri)
Information on the golden cownose ray is currently being researched and written and will appear here... More0 Videos
Thumbnail for Goliath grouper (Epinephelus itajara)
Goliath grouper (Epinephelus itajara)
The goliath grouper is the largest member of the sea bass family. Its body is large and stocky, measuring half as wide... More0 Videos
Thumbnail for Great hammerhead (Sphyrna mokarran)
Great hammerhead (Sphyrna mokarran)
This massive and well-known shark has the most distinctive hammer of its genus. It is particularly wide and virtually straight... More
Thumbnail for Great white shark (Carcharodon carcharias)
Great white shark (Carcharodon carcharias)
This mighty shark is often mistakenly thought of as the most voracious predator of the seas, and even has a reputation... More
Thumbnail for Green sawfish (Pristis zijsron)
Green sawfish (Pristis zijsron)
The green sawfish is a ray, with a shark-like body and a striking elongated snout, known as a saw. This saw bears 23-37 pairs... More0 Videos
Thumbnail for Gulf torpedo (Torpedo sinuspersici)
Gulf torpedo (Torpedo sinuspersici)
The Gulf torpedo is an electric ray with a flattened disc-shaped body well suited to its ocean bottom habitat. It is beautifully... More0 Videos
Thumbnail for Haddock (Melanogrammus aeglefinus)
Haddock (Melanogrammus aeglefinus)
Information on the haddock is currently being researched and written and will appear here... More0 Videos
Thumbnail for Hedgehog seahorse (Hippocampus spinosissimus)
Hedgehog seahorse (Hippocampus spinosissimus)
Information on the hedgehog seahorse is currently being researched and written and will appear here... More0 Videos
Thumbnail for Hogfish (Lachnolaimus maximus)
Hogfish (Lachnolaimus maximus)
The hogfish gets its unusual name from its long, pig-like snout and protrusible mouth which it uses to root around the sea bottom... More0 Videos
Thumbnail for Hooded carpet shark (Hemiscyllium strahani)
Hooded carpet shark (Hemiscyllium strahani)
Information on the hooded carpet shark is currently being researched and written and will appear here... More0 Videos
Thumbnail for Humpback grouper (Cromileptes altivelis)
Humpback grouper (Cromileptes altivelis)
This extraordinary-looking fish is often called the panther, or ‘polka-dot' grouper for its striking colour pattern of bold black... More
Thumbnail for Humphead parrotfish (Bolbometopon muricatum)
Humphead parrotfish (Bolbometopon muricatum)
The largest of all parrotfish, the humphead parrotfish is an olive or blue-green to slate-grey fish, with a yellowish to pink head.... More
Thumbnail for Humphead wrasse (Cheilinus undulates)
Humphead wrasse (Cheilinus undulates)
The humphead or Napoleon wrasse is one of the largest reef fishes in the world and is the largest member of the wrasse family... More
Thumbnail for Indonesian speckled carpet shark (Hemiscyllium freycineti)
Indonesian speckled carpet shark (Hemiscyllium freycineti)
The beautifully patterned skin of this shark has a remarkable resemblance to the coat of a leopard. Rust-brown hexagonal spots... More0 Videos
Thumbnail for Japanese huchen (Hucho perryi)
Japanese huchen (Hucho perryi)
Information on the Japanese huchen is currently being researched and written and will appear here... More0 Videos
Thumbnail for Javanese cownose ray (Rhinoptera javanica)
Javanese cownose ray (Rhinoptera javanica)
Cownose rays (Rhinoptera) have earned their common name for their unusual-looking heads, which feature a double-lobed snout and... More0 Videos
Thumbnail for Jayakar's seahorse (Hippocampus jayakari)
Jayakar's seahorse (Hippocampus jayakari)
Information on the Jayakar's seahorse is currently being researched and written and will appear here... More0 Videos
Thumbnail for Knysna seahorse (Hippocampus capensis)
Knysna seahorse (Hippocampus capensis)
The Knysna seahorse is the most endangered seahorse in the world. It possesses the characteristic seahorse shape and the body... More0 Videos
Thumbnail for Lake Kurumoi rainbowfish (Melanotaenia parva)
Lake Kurumoi rainbowfish (Melanotaenia parva)
Information on the Lake Kurumoi rainbowfish is currently being researched and written and will appear here... More0 Videos
Thumbnail for Lamprehuela (Cobitis paludica)
Lamprehuela (Cobitis paludica)
This small bottom-dwelling fish, a member of the Cobitidae, or loach family, has an elongated, pale body patterned with dark spots.... More0 Videos
Thumbnail for Leafy seadragon (Phycodurus eques)
Leafy seadragon (Phycodurus eques)
Leafy seadragons are exquisitely camouflaged fish. Belonging to the same family as seahorses and pipefish (Syngnathidae), they... More
Thumbnail for Lemon shark (Negaprion brevirostris)
Lemon shark (Negaprion brevirostris)
This stocky, powerful shark is named for its pale yellow-brown to grey skin, which lacks any distinctive markings. This provides... More0 Videos
Thumbnail for Leopard shark (Stegostoma fasciatum)
Leopard shark (Stegostoma fasciatum)
The leopard shark is an immediately recognisable, stunningly attractive species, which derives its common name from its distinctive... More
Thumbnail for Leopard torpedo (Torpedo panthera)
Leopard torpedo (Torpedo panthera)
Torpedo rays have fascinated scientists for many years due to their remarkable ability to produce an electrical discharge from... More0 Videos
Thumbnail for Lined seahorse (Hippocampus erectus)
Lined seahorse (Hippocampus erectus)
With their upright position, prehensile tail, and horse-like head set at right angles to the body, seahorses are some of the most... More
Thumbnail for Loach (Cobitis calderoni)
Loach (Cobitis calderoni)
Information on the loach is currently being researched and written and will appear here... More0 Videos
Thumbnail for Longsnout seahorse (Hippocampus reidi)
Longsnout seahorse (Hippocampus reidi)
Information on the longsnout seahorse is currently being researched and written and will appear here... More0 Videos
Thumbnail for Malabar grouper (Epinephelus malabaricus)
Malabar grouper (Epinephelus malabaricus)
The Malabar grouper is a robust marine fish, with a brownish head and long body. The body is covered with small blackish-brown... More0 Videos
Thumbnail for Maned seahorse (Hippocampus guttulatus)
Maned seahorse (Hippocampus guttulatus)
The maned seahorse is a particularly striking species of seahorse, named after the prominent fleshy spines that run down the back... More0 Videos
Thumbnail for Manta ray (Manta birostris)
Manta ray (Manta birostris)
The graceful manta ray is a stunning member of the devil ray family, if only for its sheer size. These large rays have... More
Thumbnail for Maori cod (Epinephelus undulatostriatus)
Maori cod (Epinephelus undulatostriatus)
Information on the Maori cod is currently being researched and written and will appear here... More0 Videos
Thumbnail for Megamouth shark (Megachasma pelagios)
Megamouth shark (Megachasma pelagios)
The megamouth shark is one of the most mysterious and least understood of all the sharks. It was first recorded in 1976 and... More
Thumbnail for Mexican blindcat (Prietella phreatophila)
Mexican blindcat (Prietella phreatophila)
This small, rare fish, which possesses no eyes, inhabits underground waters in Mexico. The Mexican blindcat has a pinkish-white... More0 Videos
Thumbnail for Mexican tetra (Astyanax mexicanus)
Mexican tetra (Astyanax mexicanus)
The Mexican tetra is a small fish with a rather unremarkable appearance, but behind its uninteresting first impression... More0 Videos
Species 51 - 100 of 174 [ previous ] [ next ]