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.
The Squaliformes are an order of sharks that includes about 126 species in seven families.
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 relative abundance, numbering in the hundreds of trillions to quadrillions. The genus Cyclothone is thought to be one of the most abundant vertebrate genera in the world.
Zebrasoma is a genus of marine ray-finned fishes belonging to the family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. These fishes are found in the Indo-Pacific region.
The dottybacks are a family, Pseudochromidae, of fishes which were formerly classified in the order Perciformes, but this has been revised and the family is regarded as of uncertain affinities, or incertae sedis within the Ovalentaria, a clade within the Percomorpha. Around 152 species belong to this family.
Aiakas is a genus of marine ray-finned fishes belonging to the family Zoarcidae the eelpouts. These fishes are found in the southwestern Atlantic Ocean.
Fish are very diverse animals and can be categorised in many ways. Although most fish species have probably been discovered and described, about 250 new ones are still discovered every year. According to FishBase about 34,800 species of fish had been described as of February 2022, which is more than the combined total of all other vertebrate species: mammals, amphibians, reptiles and birds.
Penetopteryx is a genus of pipefishes.
Parachaenichthys is a genus of marine ray-finned fish belonging to the family Bathydraconidae, the Antarctic dragonfishes. They are found in the Southern Ocean around Antarctica.
Feia is a genus of gobies native to shallow coastal waters of the Indian Ocean and the western Pacific Ocean.
Trimmatom is a genus of gobies native to the Indian Ocean and the western Pacific Ocean.
The ocellate eel blenny is a species of ray-finned fish from the subfamily Congrogadidae, which is in the family Pseudochromidae. It is the only species in the monospecific genus Blennodesmus. It is found along the northern coasts of Australia, from Western Australia, along the coast of the Northern Territory to Queensland. The ocellate eel blenny is found among coral rubble and occurs in intertidal pools up to a depth of 3 metres (9.8 ft) where it feeds mostly on crustaceans. Like other species of Congrogadid the ocellate eel blenny has eggs covered in hooks, cross shaped hooks in this species. This species has an extremely elongated body, its gill membranes are joineded to the isthmus ventrally. It has one, short lateral line which runs from its shoulder to underneath the front part of the dorsal fin. The body is dark brown in colour with mottled with paler markings and it has a black eyespot, smaller than its eye, located above the opercle. It grows to a maximum length of 8.9 centimetres (3.5 in) standard length.
Congrogadus is a genus of ray-finned fishes, the type genus of the subfamily Congrogadinae, the eel blennies, part of the dottyback family, Pseudochromidae. The genus Congrogadus has an Indo-Pacific distribution.
Halimuraena is a genus of ray-finned fishes, classified under the subfamily Congrogadinae, the eel blennies, part of the dottyback family, Pseudochromidae. They are found in the western Indian Ocean as far east as the Mascarene Islands, and north to Kenya, although the centre of the genus's distribution appears to be around Madagascar and the Mozambique Channel.
Haliophis is a genus of ray-finned fishes, the type genus of the subfamily Congrogadinae, the eel blennies, part of the dottyback family, Pseudochromidae. They are found in the Indian Ocean and in the western Pacific Ocean.
Natalichthys is a genus of ray-finned fishes, classified under the subfamily Congrogadinae, the eel blennies, part of the dottyback family, Pseudochromidae. They are found in the western Indian Ocean off the eastern coast of South Africa, the genus being named after Natal, where all three species in the genus are so far restricted to.
Rusichthys is a genus of ray-finned fishes, classified under the subfamily Congrogadinae, the eel blennies, part of the dottyback family, Pseudochromidae, from the western Indian Ocean. The generic name is a compound of the acronym RUSI which stands for Rhodes University Smith Institute and thus honours the South African ichthyologist James Leonard Brierley Smith
Bentartia is a genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. Some authorities treat this genus as monospecific, with the only species being Bentartia cinerea of the Southern Ocean, but other authorities include 4 species from the eastern Pacific Ocean.
