| Apagesoma | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Ophidiiformes |
| Family: | Ophidiidae |
| Subfamily: | Neobythitinae |
| Genus: | Apagesoma H. J. Carter, 1983 |
| Type species | |
| Apagesoma edentatum Carter, 1983 [1] | |
Apagesoma is a genus of cusk-eel found in deep oceanic waters.
There are currently three recognized species in this genus: [2]
Pleuronectidae, also known as righteye flounders, are a family of flounders. They are called "righteye flounders" because most species lie on the sea bottom on their left sides, with both eyes on their right sides. The Paralichthyidae are the opposite, with their eyes on the left side. A small number of species in Pleuronectidae can also have their eyes on the left side, notably the members of the genus Platichthys.
The cusk-eel family, Ophidiidae, is a group of marine boney fishes in the order Ophidiiformes. The scientific name is from the Greek ophis meaning "snake", and refers to their eel-like appearance. True eels, however, diverged from other ray-finned fish during the Jurassic, while cusk-eels are part of the Percomorpha clade, along with tuna, perch, seahorses, and others. Unlike true eels of the order Anguilliformes, cusk-eels have ventral fins that are developed into a forked barbel-like organ below the mouth. In the true eels by contrast, the ventral fins are never well-developed and usually missing entirely.
The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes. They are known as viviparous brotulas as they generally bear live young, although there are indications that some species do not. They are generally infrequently seen, somewhat tadpole-like in overall shape and mostly about 5–10 cm (2–4 in) in length, but some species grow far larger and may surpass 60 cm (2 ft).
Ogilbia is a genus of viviparous brotulas. The generic name honours the Australian naturalist James Douglas Ogilby (1853-1925), for his contribution to the knowledge of the fishes of Australia.
Saccogaster is a genus of viviparous brotulas. They are found in the western Atlantic and Indo-Pacific.
Abyssobrotula is a genus of cusk eel in the family Ophidiidae.
Platichthys is a genus of flatfish native to the North Pacific and North Atlantic oceans. Despite being in the family Pleuronectidae, all three species in the genus Platichthys are often "lefteyed", i.e. they lie on the sea bottom on their right side, with both eyes on the left side.
Barathronus is a genus of deep-sea fish that are placed in the family Aphyonidae or family Bythitidae (brotulas), depending on the source.
Sciadonus is a genus of blind cusk eels.
Bellottia is a genus of viviparous brotulas which is found in the subtropical waters of the North Atlantic, the Mediterranean Sea and the Indo-Pacific.
Bythites is a genus of viviparous brotulas found in the Atlantic Ocean.
Grammonus is a genus of viviparous brotula.
Microbrotula is a genus of viviparous brotulas.
Ogilbichthys is a genus of viviparous brotulas found in the central-western Atlantic Ocean and the Caribbean Sea. he generic name refers to the resemblance of these fish to those in the genus Ogilbia, a name honours the Australian naturalist James Douglas Ogilby (1853-1925), combined with ichthys which means "fish" in Greek.
Paradiancistrus is a genus of viviparous brotulas.
Tuamotuichthys is a genus of viviparous brotulas found in the Pacific Ocean.
Luciobrotula is a genus of cusk-eels.
Neobythites is a genus of cusk-eels.
Hypsolebias is a genus of small fish in the family Rivulidae that are endemic the Caatinga, Cerrado and nearby regions in Brazil. The greatest richness is in the São Francisco River basin, but there are also species in the Tocantins, Jequitinhonha and Jaguaribe systems, as well as smaller river basins in northeastern Brazil. Like their relatives, Hypsolebias are annual killifish. The short-lived adults inhabit temporary waters like rain pools, laying their eggs in the bottom. As their habitat dries up the adults die, but the eggs survive and hatch when the water returns in the next season.
Bythitinae is a subfamily of viviparous brotulas, one of the two subfamilies in the family Bythitidae. This subfamily is characterised by having the dorsal, caudal and anal fins combined. They are mostly found in temperate to tropical seas, from reefs to the benthopelagic zone, but some species from the North Atlantic Ocean occur in into Arctic waters.
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