31 Fish described in 1979

Adelosebastes latens is a species of rockfish native to the northern Pacific Ocean where it is found on the Emperor Seamounts at depths of 900 to 1,200 metres. This species grows to a length of 30 centimetres (12 in) SL. This species is the only known member of its genus.

Amblyeleotris diagonalis, the Diagonal shrimpgoby, is a species of goby native to the Indian Ocean and the western Pacific Ocean where it can be found on reefs at depths of from 6 to 40 metres. It is commensal with alpheid shrimps. This species can reach a length of 11 centimetres (4.3 in) SL.

The Antilles catshark is a common but little-known species of catshark, part of the family Scyliorhinidae. It is found on or near the bottom at a depth of 293–695 m (961–2,280 ft) off Florida and the West Indies from Jamaica to Martinique. It was once regarded as a subspecies of the similar roughtail catshark, along with the longfin sawtail catshark. Growing to 46 cm (18 in) long, the Antilles catshark is a slender species with a marbled color pattern of dark saddles and blotches, as well as a crest of enlarge dermal denticles along the front part of its dorsal caudal fin margin. It feeds on shrimp and may have schooling habits. Reproduction is oviparous. The International Union for Conservation of Nature (IUCN) does not have enough data to assess the conservation status of this species.

Apistogramma hongsloi is a species of dwarf cichlid fish, native to the Orinoco basin in South America. They are often kept in the aquariums and prefer to have soft, acidic water.

Apistogramma macmasteri is a dwarf cichlid in the tribe Geophagini, one of the tribes of the subfamily of American cichlids, the Cichlinae. It is a freshwater fish that lives in the Meta River system, a part of the Orinoco basin in Colombia. They grow up to 7 centimetres (2.8 in) in total length.

Apistogramma nijsseni is a species of cichlid fish, endemic to highly restricted local black water habitats in the Quebrada Carahuayte, a small stream in the Ucayali River drainage, southern Peru. The male reaches a maximum length of 8 cm (3 in), the female remaining somewhat smaller. Apistogramma brooding females assume a bright yellow and black aposematic coloring: in A. nijsseni, unusually, a healthy, unstressed female retains this coloring. The species is popular aquarium fish amongst dwarf cichlid hobbyists, though it does not often appear in the general pet fish market.

Apistogramma viejita is a dwarf cichlid in the subfamily Cichlinae, in the tribe Geophagini. It is a benthopelagic freshwater fish that lives in the Meta River and the Orinoco River in Colombia. They grow up to 4.6 cm in standard length.

Benthophilus svetovidovi is a species of goby native to the eastern coasts of the Caspian Sea: near the capes Sagandyk, Melovyi, Peschany, Karasyngyr, off Türkmenbaşy, probably near Ogurja Ada.

Betta coccina is a species of betta native to Peninsular Malaysia and Sumatra, Indonesia. It grows to a length of 5.6 cm (2.2 in). It can be found in the aquarium trade.

The blacktailed spurdog is a dogfish, a member of the family Squalidae, found around New Caledonia in the central Pacific Ocean, at depths from 320 to 320 m. Its length is up to 75 cm.

The Campbell whiptail, kaiyomaru whiptail, or kaiyomaru rattail, Coelorinchus kaiyomaru, is a species of rattail found around the globe in the southern oceans, at depths of between 600 and 1,150 m. Its length is between 20 and 40 cm.

The Campeche catshark is a catshark of the family Schyliorhinidae. It is known only from the holotype, a 15.7 cm immature female found in the northwestern Bay of Campeche in the Gulf of Mexico. The specimen was collected at 1,057 m, a depth beyond current and probably future fishing pressure in the region. The reproduction of this catshark is oviparous.

Centropyge shepardi, known commonly as the Shepard's angelfish, shepardi angelfish, or mango angelfish, is a species of marine fish in the family Pomacanthidae.

The ocellated icefish is a fish of the family Channichthyidae. It lives in the cold waters off Antarctica and is known for having transparent haemoglobin-free blood.

The Cyrano spurdog is a dogfish, a member of the family Squalidae, found in the western central Pacific Ocean between latitudes 16°S and 18°S at depths between 320 and 400 m. Its length is up to 77 cm.

The deep-water hap is a species of cichlid endemic to Lake Malawi where it prefers areas with sandy substrates, generally at depths of around 7 metres (23 ft). This species can reach a length of 12 centimetres (4.7 in) SL. This species can also be found in the aquarium trade.

The dwarf sawtail catshark is a little-known species of catshark, belonging to the family Scyliorhinidae, found exclusively in the deep waters off Luzon in the Philippines. Unlike other members of its genus, this slender, diminutive shark has a short, rounded snout and very short furrows at the corners of its jaws. It has indistinct darker saddles beneath each dorsal fin and two dark bands on the caudal fin, as well as a prominent crest of enlarged dermal denticles along the upper caudal fin margin. The International Union for Conservation of Nature (IUCN) does not currently have sufficient information to assess the conservation status of this species.

The ghost catshark is a catshark of the family Scyliorhinidae found on the continental slopes in the northwest Atlantic off Massachusetts, the northeast Atlantic from the Porcupine Bank west of Ireland and the southern Atlantic off Cape Town, at depths between 600 and 1,900 metres.

Hemichromis lifalili, common name blood-red jewel cichlid, is a species of fish in the family Cichlidae.

The hoary catshark is a catshark of the family Scyliorhinidae found in the western central Atlantic in the Caribbean, at depths between 521 and 915 m. Its length is up to 45.5 cm (17.9 in). The reproduction of this catshark is oviparous.

The Lake Wanam rainbowfish is a critically endangered species of rainbowfish in the subfamily Melanotaeniinae. It is endemic to Lake Wanam near Lae in Papua New Guinea. It has virtually disappeared from the small lake due to competition from introduced, non-native tilapias, but captive populations exist.

The lighthouse lizardfish (Synodus jaculum) is a species of lizardfish that lives mainly in the Indo-Pacific.

The longnose houndshark is a houndshark of the family Triakidae. It is found in the western Pacific off northern Australia and Vanuatu, between latitudes 9° S and 26° S, at depths between 250 and 475 m. It can grow up to a length of 75 cm.

The orangebelly goby is a species of fish described by Gilmore in 1979. It is known only from a pair of specimens collected from the eastern and western sides of the Florida Peninsula.

The Panama ghost catshark is a lesser known catshark of the family Scyliorhinidae. This catshark is only found off Panama, between 9°N and 2°N. The reproduction of the Panama ghost shark is oviparous.

Pseudanthias bicolor, the bicolor anthias or yellowback basslet is a species of marine ray-finned fish from the subfamily Anthiinae of the family Serranidae, the groupers and sea basses. It is from the Indo-Pacific Ocean. It occasionally makes its way into the aquarium trade. It grows to a size of 13 cm in length.

Pseudanthias hawaiiensis, the Hawaiian longfin anthias, is a small colorful species of fish in the subfamily Anthiinae. It is often treated as a subspecies of P. ventralis, but some authorities prefer to treat them as separate species. It is endemic to reefs at depths of 26–219 m (85–719 ft) in Hawaii and the Johnston Atoll.

Pseudanthias ventralis, the longfin anthias or longfin basslet', is a species of marine ray-finned fish, an Pseudanthias from the subfamily Anthiinae part of the family Serranidae, the groupers and sea basses. It is found in the Western Pacific Ocean.

The smallfin catshark is a catshark of the family Scyliorhinidae in the order Carcharhiniformes, found in the western Atlantic at depths between 635 and 1,115 m. Its length is up to 48 cm.

Starksia occidentalis, the occidental blenny, is a species of labrisomid blenny native to reefs of the western Caribbean Sea where it occurs at depths of around 1 m (3.3 ft).

The Redmarbled lizardfish (Synodus rubromarmoratus), is a species of lizardfish that primarily lives in the Indo-West Pacific.