Medusafish

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Medusafishes

Rudderfish, Centrolophus niger

Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Centrolophidae

Genera

Centrolophus
Hyperoglyphe
Icichthys
Psenopsis
Schedophilus
Seriolella
Tubbia
See text for species.

Medusafishes are a family, Centrolophidae, of perciform fishes. They are found in temperate and tropical waters throughout the world.

Young Icichthys lockingtoni are abundant in the coastal waters of the north Pacific, where they are often found in association with jellyfish, which provides them with protection from predators and opportunities to scavenge the remains of the jellyfish's meals.

[edit] Species

There are 31 species in seven genera:

Genus Centrolophus
- Rudderfish, Centrolophus niger (Gmelin, 1789).
Genus Hyperoglyphe
- Antarctic butterfish, Hyperoglyphe antarctica (Carmichael, 1819).
- Black driftfish, Hyperoglyphe bythites (Ginsburg, 1954).
- Hyperoglyphe japonica (Döderlein, 1884).
- Hyperoglyphe macrophthalma (Miranda-Ribeiro, 1915).
- Barrelfish, Hyperoglyphe perciformis (Mitchill, 1818).
- Black butterfish, Hyperoglyphe pringlei (Smith, 1949).
Genus Icichthys
- Southern driftfish, Icichthys australis Haedrich, 1966.
- Medusafish, Icichthys lockingtoni Jordan & Gilbert, 1880.
  
  Medusafish, Icichthys lockingtoni
Genus Psenopsis
- Melon seed, Psenopsis anomala (Temminck & Schlegel, 1844).
- Indian ruff, Psenopsis cyanea (Alcock, 1890).
- Blackspot butterfish, Psenopsis humerosa Munro, 1958.
- Psenopsis intermedia Piotrovsky, 1987.
- Obscure ruff, Psenopsis obscura Haedrich, 1967.
- Psenopsis shojimai Ochiai & Mori, 1965.
Genus Schedophilus
- Schedophilus griseolineatus (Norman, 1937).
- Mocosa ruff, Schedophilus haedrichi Chirichigno F., 1973.
- New Zealand ruffe, Schedophilus huttoni (Waite, 1910).
- Pelagic butterfish, Schedophilus maculatus Günther, 1860.
- Schedophilus marmoratus Kner & Steindachner, 1867.
- Cornish blackfish, Schedophilus medusophagus (Cocco, 1839).
  
  Cornish blackfish, Schedophilus medusophagus
- Imperial blackfish, Schedophilus ovalis (Cuvier, 1833).
- Pemarco blackfish, Schedophilus pemarco (Poll, 1959).
- African barrelfish, Schedophilus velaini (Sauvage, 1879).
Genus Seriolella
- Common warehou, Seriolella brama (Günther, 1860).
- White warehou, Seriolella caerulea Guichenot, 1848.
- Choicy ruff, Seriolella porosa (Richardson, 1845).
- Silver warehou, Seriolella punctata (Forster, 1801).
- Seriolella tinro Gavrilov, 1973.
- Palm ruff, Seriolella violacea Guichenot, 1848.
Genus Tubbia
- Tasmanian ruffe, Tubbia tasmanica Whitley, 1943.