Maylandia aurora is a species of cichlid endemic to Lake Malawi where it is only known from the southern half of Likoma Island where it prefers habitats with rocky substrates close to sand. Males of this species can reach a length of 8.7 centimetres (3.4 in) SL while females reach 8 centimetres (3.1 in) SL. It is also found in the aquarium trade.
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.
Pethia nankyweensis is a species of cyprinid fish found in Myanmar where it is known from smaller streams in the area of Myitkyina. This species reaches a length of 3.3 centimetres (1.3 in) SL.
Ponticola rizensis is a species of gobiid fish endemic to Turkey where it is known only from the İyidere stream drainage, close to the cities of Rize and Trabzon. The species was described as new to science in 2008. It occurs in a fresh water stream with a bottom consisting of rounded pebbles. Males of this species can reach a length of 12.4 centimetres (4.9 in) SL while females only reach 8.7 centimetres (3.4 in) SL.
Turan's goby is a Ponto-Caspian species of goby endemic fish native to Turkey where it is only found in the Aksu Deresi stream. This species is found in a fresh water stream with a substrate of rounded pebbles. Males of this species can reach a length of 8.8 centimetres (3.5 in) SL while females only reach 8.3 centimetres (3.3 in) SL.
Dactyloscopus lacteus, the also known as the milky sand stargazer, is a species of sand stargazer endemic to the Galapagos Islands where it is the only species of Dactyloscopus known to occur there, and is a common fish in its region. It can be found in tide pools and sandy shores at depths of from 2 to 9 metres. It can grow to reach a maximum length of 5 centimetres (2.0 in) SL.
Nematocharax is a genus of freshwater fish in the family Characidae. It contains the single species Nematocharax venustus, which is endemic to Brazil, where it is found in the Jequitinhonha River basin. The males of this species can reach a length of 5.1 centimetres (2.0 in) SL while the females only grow to 3.5 centimetres (1.4 in) SL.
The red dragonet is a species of dragonet native to the Indian Ocean and the western Pacific Ocean where it occurs at depths of from 70 to 600 metres. Males of this species reaches a length of 17 centimetres (6.7 in) SL while females only reach 13 centimetres (5.1 in) SL. This species is of commercial importance to local fisheries.
The black snake mackerel is a species of snake mackerel found worldwide in both tropical and temperate waters where they are found at depths of from 914 to 1,646 metres making diel vertical migrations from mesopelagic depths to the surface at night. It can reach a length of 25 centimetres (9.8 in) SL though most do not exceed 15 centimetres (5.9 in) SL. It is important to local peoples as a food fish. This species is currently the only known member of its genus, Nealotus. That genus is therefore said to be monotypic.
Nesiarchus nasutus, the Black gemfish, is a species of snake mackerel found in tropical and subtropical waters in most parts of the world, though not in east Pacific and north Indian waters. It occurs at depths of from 200 to 1,200 metres though they make diel vertical migrations from benthopelagic to mesopelagic depths at night. This species can reach a length of 130 centimetres (51 in) SL though most do not exceed 80 centimetres (31 in) SL. It is of minor importance to local commercial fisheries. This species is currently the only known member of its genus, Nesiarchus.
Thyrsitops lepidopoides, the white snake mackerel, is a species of snake mackerel found off the coasts of South America from Brazil on the Atlantic side to Chile on the Pacific side. It can be found at depths of from 30 to 350 metres. This species can reach a length of 40 centimetres (16 in) SL though most do not exceed 25 centimetres (9.8 in) SL. It is of minor importance to local commercial fisheries. It is currently the only known member of its genus.
The pygmy snailfish species of marine ray-finned fish belonging to the family Liparidae, the snailfishes. This species is found in the northern Pacific Ocean where it occurs in deep waters down to 910 metres (2,990 ft). The range is broad, extending from the Sea of Okhotsk north to the western Bering Sea, and from Monterey Bay, California, north to the Gulf of Alaska. This species grows to a length of 6.3 centimetres (2.5 in) SL in males and to 7.1 centimetres (2.8 in) SL in females. It is the only known member of the genus Lipariscus.
Osteodiscus is a genus of snailfishes native to the Pacific Ocean.
The common slope dragonet is a species of slope dragonet native to the Indo-Pacific region where it can be found from Africa to the Hawaiian Islands. It is a benthic fish, occurring on sandy bottoms at the edges of the continental shelves at depths of from 138 to 367 metres. This species grows to a length of 9 centimetres (3.5 in) SL. This species is the only known member of its genus.
Promethichthys prometheus, the Roudi escolar, is a species of snake mackerel native to the warm temperate and tropical waters of all the oceans where it occurs at depths of from 80 to 800 metres. This species grows to a length of 100 centimetres (39 in) SL though most do not exceed 40 centimetres (16 in) SL. It is important to local peoples as a food fish and is popular as a game fish though it has been reported to carry the ciguatera toxin. It is also utilized as bait. This species is the only known member of its genus.
The Blackspot minigoby is a species of goby native to the eastern Indian Ocean and the western Pacific Ocean from Australia to Japan to the Tuamotus and French Polynesia where it can be found inhabiting reefs at depths of from 3 to 38 metres. Males of this species grow to a length of 1.3 centimetres (0.51 in) SL while females can reach a length of 1.5 centimetres (0.59 in) SL. This species is the only known member of its genus.
The hole goby is a species of ray-finned fish from the family Gobiidae which is native to the eastern Indian Ocean and the western Pacific Ocean where it can be found down to depths of 10 metres (33 ft). This fish occurs on patches of sand or rubble adjacent to reefs. This species grows to a length of 7.5 centimetres (3.0 in) SL. This species is the only known member of its genus.
Phoxacromion kaneharai is a species of goby native to the Pacific waters around the Ryukyus where it occurs in sheltered bays at depths of from 2 to 3 metres. This fish seeks shelter under pieces of rubble on pebble or sandy substrates. Males of this species grow to a length of 2.2 centimetres (0.87 in) SL while females only reach a length of 2 centimetres (0.79 in) SL. This species is the only known member of its genus.
Siphonogobius nue is a species of goby native to the coastal waters of Japan where it occurs on sandy substrates with rocks or artificial structures for concealment. A shallow water fish, it is found at depths of from 1 to 2 metres. Males of this species grows to a length of 9.2 centimetres (3.6 in) SL while the females only reach 8.3 centimetres (3.3 in) SL. This species is the only known member of its genus.
The blue weed whiting is a species of ray-finned fish, a weed whiting from the family Odacidae, which is endemic to Australia where it is only found along the southern coast. It is found in brackish and marine waters in sheltered locations at depths of from 1 to 7 metres. This species inhabits areas with a substrate of sand with beds of seagrass where it feeds on small invertebrates and algae and the seagrasses themselves. This species grows to a length of 29 centimetres (11 in) SL. It is of minor importance to local commercial fisheries. This species is the only known member of its genus.
