WThe sablefishes are a family, Anoplopomatidae, of scorpaeniform fishes. They are found in coastal waters of the north Pacific from Japan to California, where they live near the sea floor in deep water: the sablefish, Anoplopoma fimbria, has been found down to 1,830 m (6,000 ft). They are large fish, with the skilfish being up to 183 cm (6.00 ft) in length. They are commercially important fishes, and are often given the market name black cod.
WArgyripnus is an oceanic ray-finned fish genus which belongs in the family Sternoptychidae. They are commonly known as bristle-mouth fishes, but that may also refer to the related bristlemouth family (Gonostomatidae). A. iridescens is called "pearlside", which usually refers to the closely related genus Maurolicus.
WAtheresthes is a genus of righteye flounders native to the north Pacific Ocean where both species are important commercially.
WThe black wrasse is a species of wrasse native to the eastern Pacific Ocean around Cocos Island, the Revillagigedo Islands, Tres Marias Islands, and the Galapagos. This species prefers areas with rocky bottoms at depths from 1 to 3 m. It can reach 12.5 cm (4.9 in) in total length.
WCalotomus is a parrotfish genus from the Indo-Pacific, with a single species ranging into the warmer parts of the east Pacific. Compared to most of their relatives, their colours are relatively dull. Several species in this genus are associated with sea grass beds, but most can also be seen at reefs.
WThe Cape wrasse is a species of wrasse native to the eastern Pacific Ocean from Baja California to Colombia, including Cocos Island, Malpelo Island, and the Galapagos. It is a deep-water species recorded as occurring down to about 150 m (490 ft). This species grows to 16.2 cm (6.4 in) in standard length. This species is the only known member of its genus.
WCathorops is a genus of catfishes in the family Ariidae found in the Atlantic and Pacific Oceans. These species are found in the eastern and western Central and South America in brackish and freshwater habitats. This genus is a strongly supported clade of this family. It consists of a natural group in which the monophyly is well-defined by morphological and molecular evidence and the genus probably includes several unrecognized species from both American coasts.
WEmpetrichthys is a genus of splitfins endemic to the state of Nevada in the United States.
WEtropus is a genus of large-tooth flounders native to the coastal waters of the Americas.
WThe fountain darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is found in the headwaters of only two rivers in Texas, United States: the Comal River and the San Marcos River. It is generally smaller than 3 cm (1.2 in) long and feeds on small invertebrates. It is a federally listed endangered species of the United States and is also listed as endangered by the IUCN.
WGrammatonotus is a genus of fish in the family Callanthiidae native to the Indian and Pacific Ocean. These fish are ovoid to elongated in shape, with short, rounded snouts. The anterior nostril is tubular. They have large teeth with one to two canine teeth on each side. The scales are large.
WThe ragfish is a ray-finned fish of the northern Pacific Ocean; although a perciform, its skeleton is mostly cartilage, and the larvae have pelvic fins that disappear as they mature. It is the sole member of the family Icosteidae, and some authorities place it into its own order Icosteiformes.
WThe Kentucky arrow darter, sometimes known as the Cumberland Plateau darter, is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States, where it is found only in the upper Kentucky River drainage in Kentucky. It inhabits rocky riffles and pools of headwaters, creeks and small rivers. This species can reach a length of 12 cm (4.7 in).
WThe marbled sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Klamath River drainage in California and Oregon, and the Pit River system from Fall River to Hat Creek, California. It reaches a maximum length of 9.0 cm. It prefers soft-bottomed runs of clear, cold creeks and small to medium rivers.
WParalichthys lethostigma, the southern flounder, is a species of large-tooth flounders native to the eastern and gulf coasts of the United States. It is a popular sports fish and is the largest and most commercially valuable flounder in the western North Atlantic Ocean and Gulf of Mexico. It is a "left-eyed flounder", meaning the left side is pigmented and is the "up side".
WPlectrogenium, is a genus of scorpaeniform fishes, the stinger flatheads, the only genus in the family Plectrogenidae. This genus is found in the Indian and Pacific Oceans.
WRadulinus is a genus of sculpins native to the eastern Pacific Ocean.
WSamariscus is a genus of crested flounders native to the Indo-Pacific.
WTaeniopsetta is a genus of small lefteye flounders native to the Indo-Pacific at depths of 150 to 300 m.
WThe totoaba or totuava is a species of marine fish, a very large member of the drum family Sciaenidae that is endemic to the Gulf of California in Mexico. It is the only species in the genus Totoaba. Formerly abundant and subject to an intensive fishery, the totoaba has become rare, and is listed on CITES Appendix I, as critically endangered on the IUCN Red List, and as 'endangered' under the Endangered Species Act.
WVerasper is a genus of righteye flounders native to the northwestern Pacific Ocean.
WThe Wood River sculpin is a species of fish in the family Cottidae. It is endemic to the Big Wood and Little Wood rivers and their tributaries upstream of Magic Reservoir in Blaine County, Idaho in the United States. Its habitat is similar to other sculpins: small to medium-sized streams that are cool and have swift currents. It is a species of concern because of its restricted distribution.
WZapteryx is a genus of fish in the Rhinobatidae family found in coastal parts of the Americas.