Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment.
Herring are forage fish, mostly belonging to the family Clupeidae.
The Gonostomatidae are a family of mesopelagic marine fish, commonly named bristlemouths, lightfishes, or anglemouths. It is a relatively small family, containing only eight known genera and 32 species. However, bristlemouths make up for their lack of diversity with numbers: Cyclothone, with 13 species, is thought to be the most abundant vertebrate genus in the world, numbering in the hundreds of trillions to quadrillions.
Asymbolus is a genus of catsharks in the family Scyliorhinidae.
Optivus is a fish genus from the family Trachichthyidae found from near the surface to depths of 320 m (1,050 ft) in the southwest Pacific Ocean off Australia and New Zealand.
Iago is a genus of houndsharks in the family Triakidae. The name comes from the villain in William Shakespeare´s Othello.
Oloplotosus is a genus of eeltail catfishes endemic to the island of New Guinea.
Plotosus is a genus of eeltail catfishes native to the Indian Ocean, the western Pacific Ocean and New Guinea.
Zenion is a genus of zeniontid fish that is known from the fossil record, but is still extant.
Zenopsis is a genus of dories, a group of marine fish. There are four extant species, but the genus is also known from fossils dating back to the Oligocene epoch. They largely resemble the better-known John Dory, and are typically found in relatively deep water, below normal scuba diving depth.
The Aulopidae are a small family of aulopiform fish. They are found in most tropical and subtropical oceans, and are commonly known as flagfins.
Fish are very diverse animals and can be categorised in many ways. This article is an overview of some of ways in which fish are categorised. Although most fish species have probably been discovered and described, about 250 new ones are still discovered every year. According to FishBase, 34,300 species of fish had been described as of September 2020. That is more than the combined total of all other vertebrate species: mammals, amphibians, reptiles and birds.
Cirrhoscyllium is a genus of carpetsharks in the family Parascylliidae.
The Southern pygmy blindfish is a species of viviparous brotula, the only known member of its genus, found in the waters of the Indian Ocean off the coast of western Australia. This species grows to a length of 6 centimetres (2.4 in) SL. The specific name honours Martin F. Gomon, who was the senior curator of fishes at the Museum of Victoria in Melbourne, for his numerous contributions to the ichthyology of Australia.
Aulotrachichthys is a genus of slimeheads. Most species in this genus are known as luminous roughies.
Hoplostethus is a genus of fish in the slimehead family.
Ratabulus is a genus of flatheads native to the eastern Indian Ocean and the western Pacific Ocean.
Decodon is a genus of wrasses found in the western Atlantic Ocean, the western Indian Ocean and the Pacific Ocean.
Polylepion is a genus of wrasses native to the Pacific Ocean. It is also known as a bleeding wrasse. They are mostly found over sandy waters from Mexico to Nicaragua, including Cocos Island.
