34 Fish described in 1851

Acanthurus fowleri is a tropical fish which is found in coral reefs in the Philippines, Indonesia, Papua New Guinea, Solomon Islands, and Australia. It is also commonly known as the Fowler's surgeonfish or the horse-shoe surgeonfish.

The blacksaddle filefish, Paraluteres prionurus, is a filefish of the family Monacanthidae. It reaches a length of a maximum 11 cm.

The blueside wrasse, Cirrhilabrus cyanopleura, is a species of wrasse native to the eastern Indian Ocean and the western Pacific Ocean. It is found on reefs in schools swimming 1 to 2 m above the bottom. It occurs at depths from 2 to 30 m, most often between 5 and 20 m. This species can reach a standard length of 15 cm (5.9 in). It can be found in the aquarium trade.

Brilliant rasbora is a species of ray-finned fish in the genus Rasbora. They are found in the Malay Peninsula and in Borneo. Adults can grow up to 5 cm

Channa pleurophthalma, is a species of Southeast Asian freshwater fish in the snakehead family.

The clown rasbora is a species of ray-finned fish in the genus Rasbora.

Cynoglossus quadrilineatus, the fourlined tonguesole, is a species of tonguefish native to the Indian Ocean from Pakistan to the western Pacific Ocean where it occurs from Japan to northern Australia. It can be found in marine and brackish waters in estuaries and coastal waters out to the continental shelf at depths of from 10 to 400 metres. This species can reach a length of 44 centimetres (17 in) SL though most do not exceed 30 centimetres (12 in) SL. It is important in local commercial fisheries.

The deepwater sculpin is a freshwater sculpin that inhabits the bottoms of cold, deep freshwater lakes of northern North America. Its distribution ranges from the Great Bear Lake of Canada to the Great Lakes. It is a designated at-risk fish species in Canada, protected as a species of Special Concern under Canada's Species at Risk Act.

The flying fox is a Southeast Asian species of freshwater fish in the family Cyprinidae. It is commonly kept in the aquarium trade. Among other foods, it is known to eat green algae. It is sometimes mistakenly referred to as the Siamese algae eater.

The giant featherback also known as Indonesian Featherback is a freshwater fish found in Southeast Asia, including Indochina, Malay Peninsula, Borneo, Sumatra and Java in Indonesia. It inhabits lowland river mainstreams and tributaries with rocky and sunken wood bottoms, as well as forest-covered streams. It feeds on smaller fishes, insects and vertebrates, mostly at night.

The giant sharkminnow a species of cyprinid fish found in southeast Asia.

Hemigobius hoevenii, commonly known as the banded mulletgoby, is a species of goby which occurs in the western Indo-Pacific region from Thailand to New Guinea and northern Australia where it is found in mangroves. The specific name most likely honours the Dutch ichthyologist Jan van der Hoeven (1801-1868) who has been honoured by Pieter Bleeker in a number of names for taxa.

Hypoplectrus indigo, the indigo hamlet, is a species of marine ray-finned fish, a sea bass from the subfamily Serraninae which is part of the family Serranidae, which also includes the groupers and anthias. It is found in the central western Atlantic Ocean. It occasionally makes its way into the aquarium trade.

Kryptopterus cryptopterus is a species of catfish, the type species of the genus Kryptopterus. It can be distinguished from all its congeners, with the exception of the newly split Kryptopterus geminus, by the almost flat dorsal profile with no concavity behind the head. This species grows to a length of 14.6 centimetres (5.7 in) SL.

Hoven's carp, also known as the mad barb or sultan fish, is a species of fish in the barb family. It is native to freshwater habitats in the Thai-Malay Peninsula, Borneo and Sumatra. Populations further north in the Chao Phraya and Mekong Basins were included in this species until 2009, but are now considered a separate species, L. rubripinna. The two are frequently confused and the same common names have been used for both; only L. rubripinna is known from the aquarium trade.

The longcomb sawfish, narrowsnout sawfish or green sawfish is a species of sawfish in the family Pristidae, found in tropical and subtropical waters of the Indo-West Pacific. It has declined drastically and is now considered a critically endangered species.

The marbled lungfish is a lungfish of the family Protopteridae. Also known as the leopard lungfish, it is found in Eastern and Central Africa, as well as the Nile region. At 133 billion base pairs, it has the largest known genome of any vertebrate and one of the largest of any organism, along with Polychaos dubium and Paris japonica at 670 billion and 150 billion, respectively.

The messmate pipefish is a species of marine fish in the family Syngnathidae. It is widespread throughout the tropical waters of the Indo-Pacific region, from the eastern coast of Africa to the Vanuatu Islands. This species can reach a length of 19.8 cm. It occasionally makes its way into the aquarium trade where it is known as the dragonfaced pipefish. Other common names are bloodspot pipefish, reef pipefish, reeftop pipefish and yellow-streaked pipefish.

Mordacia lapicida, also known as the Chilean lamprey, is a species of southern topeyed lamprey endemic to southern Chile, where it can be found in riverine and marine habitats. This species is anadromous. This parasitic lamprey can reach a length of 54 centimetres (21 in) SL. Ammocoetes and adults of this species are found in rivers, and occur in fine sand along river banks.

Myripristis violacea is a species of fish in the soldierfish family found in the Indo-Pacific Ocean

Nuchequula gerreoides, commonly known as the longspine ponyfish, is a species of marine ray-finned fish, a ponyfish from the family Leiognathidae. It is a fish of brackish and sea waters which is found in the Indian and western Pacific Oceans.

Osteochilus spilurus is a cyprinid freshwater fish from Southeast Asia. It is found in Thailand, Peninsular Malaysia, Sumatra, Java, and Borneo. It grows to 7.5 cm (3.0 in) SL.

Ostracion rhinorhynchos is a species of boxfish commonly known as the horn-nosed boxfish or trunkfish. It was first described by Pieter Bleeker in 1851. It is found in the Indo-West Pacific, where it inhabits coral reefs and eats benthic invertebrates.

Parexocoetus hillianus is a species of flying fish from the genus Parexocoetus. It is found in the western Atlantic in the waters of the Gulf Stream off the southeastern United States and Bermuda south through the Gulf of Mexico and the Caribbean Sea to northern Brazil. In the eastern Atlantic a separate population, which may be a subspecies, is found from Guinea-Bissau south to Angola.

Phalacronotus apogon is a species of catfish of the genus Phalacronotus found in Southeast Asia. This species grows to a length of 130 centimetres (51 in) SL.

The pouched lamprey, also known as wide-mouthed lamprey, is the only species in genus Geotria, which is in turn the only genus in the family Geotriidae. It is native to the southern hemisphere. It spends the early part of its life in fresh water, migrating to the sea as adult, and returning to fresh water to spawn and die.

Puntioplites bulu is a species of ray-finned fish in the genus Puntioplites, it is a widespread species on mainland south-east Asia and on Borneo but it has been extirpated from Cambodia, and has become rarer in other parts of its range.

Salmo obtusirostris, also known as the Adriatic trout, Adriatic salmon, and softmouth trout, is a species of salmonid fish endemic to the rivers of Western Balkans in southeastern Europe. The scientific name has changed several times through history; synonyms include Thymallus microlepis, Salmothymus obtusirostris and Salar obtusirostris.

The shadow trevally, also known as the shadow kingfish, twothread trevally or Aldabra trevally, is a species of inshore marine fish in the jack family Carangidae. The species is patchily distributed throughout the tropical and subtropical waters of the Indian and west Pacific Oceans, from South Africa in the west to Japan and Samoa in the east, reaching as far south as Indonesia and New Caledonia. It is most easily distinguished from similar species by as series of dark rectangular blotches under the second dorsal fin, giving a 'shadowed' appearance, from which its common name is derived. The shadow trevally is a reasonably large fish, growing to 85 cm in length and at least 2.6 kg in weight. It inhabits shallow coastal waters, including reefs, bays, and estuaries, where it takes small fish and benthic crustaceans as prey. Nothing is known of the species' ecology and reproductive biology. It is of little importance to fisheries, and is occasionally taken by bottom trawls and other artisanal fishing gear.

The short mackerel or shortbodied mackerel is a species of mackerel in the family Scombridae. Its habitat is the shallow waters of Southeast Asia and Melanesia, feeding mainly on small zooplankton. It is of major importance to the fisheries industry.

The tail-spot wrasse, Halichoeres melanurus, is a species of wrasse in the western Pacific from Japan to Samoa and Tonga and south to the Great Barrier Reef. This species is found along rocky shores or on coral reefs at depths from 1 to 15 m. It can reach 12 cm (4.7 in) in total length. This species is popular for display in public aquaria and can be found in the aquarium trade.

Thunnus tonggol is a species of tuna of tropical Indo-West Pacific waters.

Wallagonia leerii, also known as the striped wallago catfish, helicopter catfish, or Tapah is a species of catfish native to Southeast Asia. Its habitat ranges from the river drainages of Thailand through the Malayan peninsula to the islands of Sumatra and Borneo in Indonesia. It can grow up to 2 m in length and weigh up to 95 kg (209 lb). It has been used as food in Southeast Asia since ancient times.

The whitespotted whipray or sharpnose stingray is a species of stingray in the family Dasyatidae. It is found in coastal regions including estuaries, in the Indo-Pacific, and has also been recorded in the Ganges River. It reaches a maximum length of 2 metres. As presently defined, it is probably a species complex.