| Mentodus | |
|---|---|
 | |
| Mentodus rostratus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Alepocephaliformes |
| Family: | Platytroctidae |
| Genus: | Mentodus A. E. Parr, 1951 |
| Type species | |
| Bathytroctes rostratus | |
| Synonyms [1] | |
| |
Mentodus is a genus of deepwater marine ray-finned fishes belonging to the family Platytroctidae, the tube shoulders. The species in this genus are known from tropical and temperate oceans around the world.
There are currently eight recognized species in this genus: [2]
The cutlassfishes are about 45 species of predatory ray-finned fish in the family Trichiuridae of the order Scombriformes found in seas throughout the world. Fish of this family are long, slender, and generally steely blue or silver in colour, giving rise to their name. They have reduced or absent pelvic and caudal fins, giving them an eel-like appearance, and large fang-like teeth.
Anomalopidae are a family of fish distinguished by bioluminescent organs located underneath their eyes, for which they are named. These light organs contain luminous bacteria and can be "shut off" by the fish using either a dark lid or by being drawn into a pouch. They are used to communicate, attract prey, and evade predators.
Grenadiers or rattails are generally large, brown to black gadiform marine fish of the subfamily Macrourinae, the largest subfamily of the family Macrouridae. Found at great depths from the Arctic to Antarctic, members of this subfamily are amongst the most abundant of the deep-sea fish.
The tubeshoulders are a family, Platytroctidae, of ray-finned fish belonging to the order Alepocephaliformes. They are found throughout the world, except for the Mediterranean Sea. Tubeshoulders live at moderate depths of 300 to 1,000 m, and some have light-producing organs. They are generally small to medium fish, ranging from 9 to 33 cm in length.
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.
Gadella is a genus of morid cod. The species in this genus are characterised by the absence of a chin barbell, an anterior dorsal fin with 7-11 rays, a long based anal fin which has a straight profile, the outermost rays of the pelvic fin are filamentous and extend a small distance beyond the membrane. They do not have a photophore. The Gadella codlings are found around the tropical and subtropical seas around the world on the outer continental shelf to the mid continental slope. They are of no interest to fisheries.
Leptochilichthys is a genus of fishes containing four species. Leptochilichthys is the only genus in the former family Leptochilichthyidae but is now included within the broader family Alepocephalidae.
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.
Paraclinus is a genus of labrisomid blennies native to eastern Pacific Ocean and the western Atlantic Ocean.
Paraclinus mexicanus, the Mexican blenny, is a species of labrisomid blenny native to reefs of the Pacific coast of the Americas from Baja California, Mexico to Ecuador. This species can reach a length of 4 centimetres (1.6 in) TL. It can also be found in the aquarium trade.
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.
Holtbyrnia is a genus of deepwater marine ray-finned fishes belonging to the family Platytroctidae, the tubeshoulders. The fishes in this genus are found in the Eastern Atlantic Ocean, the Indo-West Pacific and the southeastern Pacific Ocean.
Maulisia is a genus of deepwater marine ray-finned fishes belonging to the family Platytroctidae, the tube shoulders. The species in this genus are known from the Eastern Atlantic and Eastern Pacific Oceans.
Normichthys is a genus of deepwater marine ray-finned fishes belonging to the family Platytroctidae, the tube shoulders. The species in this genus are known from tropical and temperate oceans around the world.
Sagamichthys is a genus of tubeshoulders. The generic name derives from Sagami Bay, Japan, and the Greek ἰχθύς (ichthys), "fish".
Searsioides is a genus of tubeshoulders native to the western central Pacific Ocean.
Lepidopus is a genus of cutlassfishes.
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