| Cheilotrema | |
|---|---|
 | |
| Black croaker (Cheilotrema saturnum) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Acanthuriformes |
| Family: | Sciaenidae |
| Genus: | Cheilotrema Tschudi, 1846 |
| Type species | |
| Cheilotrema fasciatum Tschudi, 1846 [1] | |
| Synonyms [1] | |
| |
Cheilotrema is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the eastern Pacific Ocean.
Cheilotrema was first proposed as a monospecific genus in 1861 by the Swiss naturalist and explorer Johann Jakob von Tschudi. [1] Tschudi was describing a new species from Peru, Cheilotrema fasciatum, and created the new genus for it. [2] Cheilotrema belongs to the family Sciaenidae in the order Acanthuriformes. [3]
Cheilotrema combines cheilos, meaning "lip", with trema, which means "pore", an allusion to the obvious pores on the upper lip of C. fasciatum. [4]
Cheilotrema has two recognised species classified within it: [5]
Cheilotrema croakers have deep, oblong shaped bodies with a sloped head and pointed snout. The mouth is just below the snout and there are 5 pores on the chin but no barbels. The preoperculum may have either a serrated or smooth margin. The dorsal fin has a deep incision dividing it and there are 10 spines to the front of the incision and a single spine and between 24 and 28 soft rays to its rear. The short anal spine is supported by 2 spines, the second spine being robust and equal in length to the first soft rays, and between 6 and 9 soft rays. The pectoral fins are short and the caudal fin is truncate> the body is covered in ctenoid scales apart from around the eyes where there are cycloid scales. The inner third of the soft rayed part of the dorsal fin and the inner three quarters of the anal fin are scaled. [6] The largest species is the black croaker (C. saturnum) which has a maximum published total length of 45 cm (18 in) while that of the Arnillo drum (C. fasciatum) is 36.1 cm (14.2 in). [5]
Cheilotrema croakers are found in the eastern Pacific Ocean, the black croaker is found off western North America off California south to southern Baja California and in the northern Gulf of California. [7] The arnillo drum is found off the western coast of South America from northern Peru to Chile, and around the Galapagos Islands of Ecuador. [8] The black croaker is a demersal fish that is frequently observed in caves and crevices of exposed coasts and open bays in California down to depths of 100 m (330 ft). The allopatric population which inhabits the northern Gulf of California is found over sandy/muddy bottoms. [7] The arnillo drum is described as a sublittoral, demersal fish inhabiting cool waters. [8]
Cheilotrema croakers are classified by the IUCN, the black croaker is classified as Least Concern, although the population in the Gulf of California is threatened by being taken is bycatch in the shrimp trawl and gillnet fisheries there, [7] and there is no information about fisheries for the arnillo drum so it is classified as Data Deficient. [8]
The striped croaker, also known as the St Lucian corvina, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the western Atlantic Ocean in the Caribbean Sea and Gulf of Mexico.
Sciaena is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the Eastern Pacific Ocean and the Eastern Atlantic Ocean.
Nebris is a small genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. There are two species in the genus, one in the Western Atlantic Ocean and one in the Eastern Pacific Ocean.
Bairdiella is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the western Atlantic and eastern Pacific Ocean.
The blackspotted croaker, also known in Australia as the black jewfish, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This fish is found in the Indo-Pacific region. It is the only species in the monospecific genus Protonibea.
Otolithes ruber, commonly known as the tigertooth croaker, silver teraglin, wiretooth, snapper kob, snapper salmon, Yankee whiting or Yankee salmon is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the Indo-Pacific region.
Reeve's croaker, also known as the goldbelly croaker, golden corvina, yellowfin croaker or yellowfin corvina, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the coastal waters of the Indo-Pacific region. It is the only species in the monospecific genus Chrysochir.
Atractoscion is a genus of marine ray-finned fished belonging to the family Sciaenidae, the drums and croakers. The fishes in this genus are found in the Atlantic, Indian and Pacific Oceans.
The blackbar drum is a species of marine ray-finned fish belonging to the genus Pareques in the family Sciaenidae, the drums and croakers. It is found in the western Atlantic Ocean.
Odontoscion dentex, the reef croaker or brown large-eyed croaker, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. It is found in coral and rocky reefs of the tropical Western Atlantic, living as solitary individuals or in small groups at a depth of 1 to 30 m. This species feeds on small fish, shrimp, and larvae.
The prickly croaker is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. The species is found in the Indo-West Pacific around southeast Asia. It is the only species in the monospecific genus Aspericorvina.
The geelbeck croaker, also known as the African weakfish or Cape salmon, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the southwestern Indian Ocean off southeastern Africa.
The yellowtail croaker, also known as the yellowtail jewfish, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the southwestern Pacific Ocean off northern Australia and southern New Guinea. It is the only species in the monospecific genus Austronibea.
Ctenosciaena is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the Western Atlantic and southeastern Pacific Oceans.
The bluestreak drum, also known as the bluish croaker, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. It is the only species in the monospecific genus Elattarchus. This species is found in the central eastern Pacific Ocean along the coasts of the Americas.
Isopisthus is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the western Atlantic and eastern Pacific Oceans.
Johnius carutta, the karut croaker or purple jewfish, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the western Indian Ocean.
Micropogonias furnieri, the whitemouth croaker, golden croaker, hardhead, mangrove snapper, rocandoronco, two-belly bashaw, West Indian croaker, West Indian drum or whitemouth drummer, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This fish is found in the western Atlantic Ocean.
Odontoscion is a genus of marine ray-finned fish belonging to the family Sciaenidae, the croakers and drums. These fishes are found in the Western Atlantic and Eastern Pacific Oceans.
Protosciaena is a small genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. These fishes are found in the Western Atlantic Ocean.