| Onigocia | |
|---|---|
 | |
| Onigocia spinosa | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Scorpaeniformes |
| Family: | Platycephalidae |
| Genus: | Onigocia D. S. Jordan & W. F. Thompson, 1913 |
| Type species | |
| Platycephalus macrolepis Bleeker, 1854 | |
| Synonyms [1] | |
| |
Onigocia is a genus of marine ray-finned fishes belonging to the family Platycephalidae, the flatheads. They are found in the Indo-Pacific region.
Onigoia was first proposed as a genus in 1913 by the American ichthyologists David Starr Jordan and William Francis Thompson with Platycephalus macrolepis, which had been described in 1925 by Pieter Bleeker from Nagasaki, as its type species. [1] [2] This genus is classified within the family Playtcephalidae, the flatheads which the 5th edition of Fishes of the World classifies within the suborder Platycephaloidei in the order Scorpaeniformes. [3] The genus name Onigocia is a latinisation of onigogochi which translates as “devil flathead” the Japanese common name for O. spinosa. Gochi, which is also spelled kochi, is a general name in Japanese for flatheads and dragonets. [4]
There are currently 9 recognized species in this genus: [5]
| Image | Scientific name | Common name | Distribution |
|---|---|---|---|
| Onigocia bimaculata L. W. Knapp, Imamura & Sakashita, 2000 | Two-spotted flathead | Indo-Pacific: Known from the Gulf of Aqaba, Comoro Islands and Mauritius to southern Japan, the Philippines, Caroline Islands, northeastern Australia, New Caledonia, Fiji, Tonga, American Samoa and the Society Islands. | |
| Onigocia grandisquama (Regan, 1908) [6] | Indo-West Pacific: Amirante Islands (Seychelles) and the Gulf of Thailand. | ||
| Onigocia lacrimalis Imamura & L. W. Knapp, 2009 | Smooth-snout flathead | Pacific South West: currently known only from the Chesterfield Islands, Coral Sea, and northern Norfolk Ridge, Tasman Sea. | |
| Onigocia macrocephala (M. C. W. Weber, 1913) | Southern notched flathead [7] | In Australia, recorded from about Exmouth (Western Australia) to the English Company Islands (Northern Territory). Elsewhere in the South China Sea - Vietnam, The Philippines, China, north of Waigeo, the Bali Sea and the Timor Sea. | |
| Onigocia macrolepis (Bleeker, 1854) | Notched flathead | Indo-West Pacific: southern Japan, South China Sea, Philippines, Indonesia, northwest shelf of Australia and Andaman Sea. | |
| Onigocia oligolepis (Regan, 1908) | Large-scale flathead | Indo-West Pacific: three known specimens from Natal, South Africa; also from north and northwestern Australia, and possibly extending to western Papua New Guinea. Reported from Samoa | |
| Onigocia pedimacula (Regan, 1908) | Broad-band flathead | Indo-West Pacific: widespread, from off Natal, South Africa to Karachi, Maldives, South China Sea, Philippines, Irian Barat (Teluk Berau), Northwest Shelf of Australia, Timor and Arafura seas, Great Barrier Reef, Guadalcanal and Tonga. | |
| Onigocia sibogae Imamura, 2011 [8] | Indo-West Pacific: . Known from the Ceram, Arafura, Timor and Coral seas. | ||
 | Onigocia spinosa (Temminck & Schlegel, 1843) | Midget flathead | Western Pacific: southern Japan, South China Sea, Philippines, northwest shelf of Australia through Timor and Arafura seas. |
Onigocia is distinguished from other flathead genera by having finely serrated suborbital ridges and in the typically having less than 40 pored scales in the lateral line. [9] These are small flatheads with the largest species being the midget flathead (O. spinosa), with a maximum published total length of 25 cm (9.8 in), while the smallest is O. grandisquama, which has a maximum published standard length of 6.2 cm (2.4 in). [5]
The Platycephalidae are a family of marine fish, most commonly referred to as flatheads. They are relatives of the popular lionfish, belonging to the order Scorpaeniformes.
Platycephalus is a genus of mostly marine, demersal ray-finned fish belonging to the family Platycephalidae. They are found in the eastern Mediterranean, the Indian Ocean and western Pacific Ocean.
The tentacled flathead, also known as the Indian Ocean crocodilefish, Madagascar flathead or longhead flathead, is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. This species is in the western Indian Ocean, including the Red Sea and the Mediterranean, having invaded as a Lessepsian migrant through the Suez Canal. It is the only species in the monotypic genus Papilloculiceps.
Bembridae, the deep-water flatheads, are a family of bottom-dwelling ray-finned fishes. They are found in the Indian and western Pacific Oceans.
The bartail flathead, also known as the Indian flathead, gobi or Indo-Pacific flathead, is a species of largely marine ray-finned fish belonging to the family Platycephalidae, the flatheads. This species is found in the Indian Ocean and the Western Pacific Ocean, and has invaded the eastern Mediterranean Sea.
Bembras is a genus of marine ray-finned fish belonging to the family Bembridae, the deepwater flatheads. These fishes are found in the Indian Ocean and the western Pacific Ocean.
Platycephaloidei is a suborder of ray-finned fishes, part of the order Scorpaeniformes, and includes the flatheads, ghost flatheads and sea robins.
Hoplichthys, the ghost flatheads, is a genus of marine ray-finned fishes native to the Indian and Pacific Oceans. This genus is the only member of the family Hoplichthyidae.
Cociella is a genus of marine ray-finned fishes belonging to the family Platycephalidae, the flatheads. These fishes are found in the Indo-Pacific region.
Grammoplites is a genus of marine ray-finned fishes belonging to the family Platycephalidae, the flatheads. These fishes are found in the Indo-Pacific region.
Inegocia is a genus of marine ray-finned fishes belonging to the family Platycephalidae, the flatheads. These fishes are found in the Indo-Pacific region.
The Longhead flathead, also known as the crocodile flathead or weed flathead, is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. This species is endemic to reefs in the coastal waters of southern Australia.
Leviprora is a genus of marine ray-finned fishes belonging to the family Platycephalidae, the flatheads. These fishes are endemic to the waters of southwestern Australia.
Rogadius is a genus of marine, demersal ray-finned fish belonging to the family Platycephalidae. These fishes are native to the Indian Ocean and the western Pacific Ocean.
The Guinea flathead is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. It is found in the eastern Atlantic Ocean along the western coast of Africa. This species is the only known member of the genus Solitas. It is also the only flathead species which has a natural distribution which lies outside of the Indo-Pacific.
Insidiator is a genus of marine, demersal ray-finned fish belonging to the family Platycephalidae. These fishes are native to the eastern Indian Ocean and western Pacific Ocean.
Sunagociais a genus of marine, demersal ray-finned fish belonging to the family Platycephalidae. These fishes are native to the Indian and Pacific oceans.
Thysanophrys is a genus of marine, demersal ray-finned fish belonging to the family Platycephalidae. These fishes are native to the Indian Ocean and the western Pacific Ocean.
The crocodile flathead is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. It is found in the western Pacific Ocean.
Inegocia japonica, the Japanese flathead, rusty flathead or smooth flathead, is a species of marine ray-finned fish belonging to the family Platycephalidae, the flatheads. It is found in the Indo-West Pacific region.
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