Spiked flat heads
Spiked flat heads | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() Hoplichthys filamentosus |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name of the family | ||||||||||||
Hoplichthyidae | ||||||||||||
Kaup , 1873 | ||||||||||||
Scientific name of the genus | ||||||||||||
Hoplichthys | ||||||||||||
Cuvier , 1829 |
The spiny flat-headed ( Hoplichthys ), also called ghost flat-headed fish, are a genus of marine fish from the order of the perch-like (Perciformes).
features
Spiked flat heads have a body 7 to 43 centimeters long. It is elongated and extremely flattened. Its head, which is provided with spikes and bony ridges, is flat and very broad. The fish have no scales except for a row of spiky scales along the side line . A row of spines runs along the sides of the body. The first hard-rayed dorsal fin is short, the second soft-rayed and the anal fin are very long. The anal fin has no hard rays, those of the dorsal fin are thin. The first three to four rays of the pelvic fins are free. The gill openings are large.
Spiked flat heads live in the Indo-Pacific at depths of ten to 1500 meters on the sea floor.
Genera and species
There are 15 types:
- Hoplichthys acanthopleurus Regan , 1908
- Hoplichthys citrinus Gilbert, 1905
- Hoplichthys fasciatus Matsubara , 1937
- Hoplichthys filamentosus Matsubara & Ochiai, 1950
- Hoplichthys gilberti Jordan & Richardson , 1908
- Hoplichthys haswelli McCulloch , 1907
- Hoplichthys imamurai Nagano et al., 2013
- Hoplichthys langsdorfii Cuvier , 1829
- Hoplichthys mcgroutheri Nagano, Imamura & Yabe, 2014
- Hoplichthys mimaseanus Nagano et al., 2013
- Hoplichthys prosemion Fowler, 1938
- Hoplichthys ogilbyi McCulloch, 1914
- Hoplichthys pectoralis (Fowler, 1943)
- Hoplichthys platophrys Gilbert, 1905
- Hoplichthys regani Jordan, 1908
literature
- Joseph S. Nelson, Terry C. Grande, Mark VH Wilson: Fishes of the World. Wiley, Hoboken, New Jersey, 2016, ISBN 978-1118342336
Web links
- Spiked Flat Heads on Fishbase.org (English)