| Alepocephalus | |
|---|---|
 | |
| California slickhead, Alepocephalus tenebrosus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Alepocephaliformes |
| Family: | Alepocephalidae |
| Genus: | Alepocephalus Risso, 1820 |
| Type species | |
| Alepocephalus rostratus Risso, 1820 [1] | |
Alepocephalus is a genus of slickheads found in all oceans.
There are currently 20 recognized species in this genus: [2]
Slickheads, also known as nakedheads or smoothheads, are deep water fishes that belong to the family Alepocephalidae. They are most commonly found in the bathypelagic layer, which is approximately 3000m below the surface. They get their name from the lack of scales on their heads. Similarly, the scientific name is from the Greek ᾰ̓- (a-, "not"); λέπος (lepos, "scale"); and κεφαλή (kephalē, "head"). It has about 22 genera with ca. 96 species.
Coelorinchus is a genus of rattail fish.
Coryphaenoides is a genus of rattails which is found in all oceans of the world. They are found in deep waters and C. yaquinae, recorded to 7,012 m (23,005 ft), is the only member in the family known from the hadal zone.
Nezumia is a genus of rattails. The generic name derives from the Japanese 鼠 (nezumi), meaning "mouse".
Symphurus is a genus of fish in the family Cynoglossidae found in the Atlantic, Indian and Pacific Ocean. Most species mainly occur in relatively shallow water, including estuaries. Some species are also found in deeper water, including S. thermophilus that lives at hydrothermal vents. These species are distinguished by merged dorsal, caudal and anal fins, the absence of a lateral line and pectoral fins, and the presence of only one pelvic fin. They are sinistral flatfishes, meaning that as adults, their crania are asymmetrical, with both eyes on the left side. The largest species grows to about 32 cm (1 ft) long.
Bajacalifornia is a genus of slickheads. It was described in 1925 by Charles Haskins Townsend and John Treadwell Nichols on the basis of Bajacalifornia burragei which was discovered in 1911 during the deep sea expedition of the research vessel USS Albatross off the coast of Todos Santos Bay at the Baja California peninsula. In 1952 Ichthyologist Albert Eide Parr published a revision of this genus.
Halosaurus is a genus of fish in the family Halosauridae. This genus currently contains the following recognized species:
Venefica is a genus of eels in the duckbill eel family Nettastomatidae. It currently contains the following species:
Bathytroctes is a genus of deepwater marine ray-finned fishes belonging to the family Alepocephalidae, the smooth-heads. These fishes are found in the deeper waters of the Oceans around the world..
Conocara is a genus of deepwater marine ray-finned fishes belonging to the family Alepocephalidae, the smooth-heads. These fishes are found in the deeper waters of the Oceans around the world.
Rouleina is a genus of slickheads. The genus is named for the ichthyologist Louis Roule.
Talismania is a genus of slickheads.
Bathylaco is a genus of slickheads found in deep oceanic waters. It is one of nineteen genera in the family Alepocephalidae.
Lophiodes is a genus of marine ray-finned fishes belonging to the family Lophiidae, the goosefishes, monkfishes and anglers. It is one of four extant genera in the family Lophiidae. The fish in this genus are found in the Atlantic, Indian and Pacific Oceans.
Laemonema is a genus of morid cods.
Diplacanthopoma is a genus of viviparous brotulas.
Dicrolene is a genus of cusk-eels.
Monomitopus is a genus of cusk-eels. They are oviparous.
Porogadus is a genus of cusk-eels.
Peristedion is a genus of marine ray-finned fish belonging to the family Peristediidae, the armoured gurnards or armored sea robins. These fishes are found in Atlantic and Indo-West Pacific ocean waters.
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