| Lycodapus | |
|---|---|
 | |
| Lycodapus fierasfer | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Scorpaeniformes |
| Family: | Zoarcidae |
| Subfamily: | Lycodinae |
| Genus: | Lycodapus Gilbert, 1890 |
| Type species | |
| Lycodapus fierasfer Gilbert, 1890 [1] | |
Lycodapus is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The species in this genus are found in the Pacific and Southern Oceans.
Lycodapus was first proposed as a monospecific genus in 1890 by the American ichthyologist Charles Henry Gilbert when he described Lycodapus fierasfer [1] from the Gulf of California. [2] This genus is classified within the subfamily Lycodinae, one of 4 subfamilies in the family Zoarcidae, the eelpouts. [3] This genus is the sister taxon to Bothrocara , Bothrocarina and Lycogrammoides , and these four genera form a clade within the subfamily Lycodinae. [4]
Lycodapus is a compound of the Greek word or "wolf", lykos, a reference to the type genus of the Lycodinae, and apous, which means "without feet", an allusion to the lack of pelvic fins in this genus. [5]
Lycodapus contains the following species: [6]
Lycodapus eelpouts have bodies which vary from slender to robust, the depth varying between 3.2% to 10% of the standard length. They may have transparent, gelatinous or opaque skin with no scales present. There are also no oral valve, occipital pores or pelvic fins. The only suborbital bone present is the lacrimal. [7] The gill slit is not joined to the isthmus to its rear. The flesh is gelatinous. In males the front teeth in the jaw are canine like. The pseudobranch, vomerine and palatine teeth are normally present. The pectoral fin has between 5 and 9 rays. [8] These are small eelpouts, some of which are mature at lengths of 120 mm (4.7 in). [7] The largest species is Lycodapus antatcticus which has a maximum published total length of 22.5 cm (8.9 in). [6]
Lycodapus eelpouts are found mainly in the eastern Pacific Ocean with some species extending into the Bering Sea and western North Pacific Oceans and others extending into the Southern Ocean. They appear to be mesopelagic fishes with most specimens being collected in open nets. There is also some evidence for diel vertical migration which has been described for Lycodapus mandibularis. [8]
The eelpouts are the ray-finned fish family Zoarcidae. As the common name suggests, they are somewhat eel-like in appearance. All of the 300 species are marine and mostly bottom-dwelling, some at great depths. Eelpouts are predominantly found in the Northern Hemisphere. The Arctic, north Pacific and north Atlantic oceans have the highest concentration of species; however, species are found around the globe.
Zoarces is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. It is the only genus in the subfamily Zoarcinae. These eelpouts are found in the northern Atlantic and northern Pacific Oceans.
Aiakas is a genus of marine ray-finned fishes belonging to the family Zoarcidae the eelpouts. These fishes are found in the southwestern Atlantic Ocean.
Bothrocara is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. They are found in the Pacific Ocean with one species reaching the southwestern Atlantic Ocean.
Zoarcoidei is a suborder of marine ray-finned fishes belonging to the order Scorpaeniformes. The suborder includes the wolffishes, gunnels and eelpouts. The suborder includes about 400 species. These fishes predominantly found in the boreal seas of the northern hemisphere but they have colonised the southern hemisphere.
Pachycara is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The fishes in this genus are found in the Atlantic, Indian, Southern and Pacific Ocean.
Lycodichthys is a genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. They are found in the Southern Ocean.
Lycenchelys is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The genus has almost cosmopolitan distribution.
Lycodinae is a subfamily of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. These eelpouts are found are in all the world's oceans, with a number of species being found off southern South America.
Austrolycus is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The two species in this genus are found in the southeastern Pacific Ocean and the western South Atlantic Ocean off southern South America and the Falkland Islands.
Bentartia is a genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. Some authorities treat this genus as monospecific, with the only species being Bentartia cinerea of the Southern Ocean, but other authorities include 4 species from the eastern Pacific Ocean.
Bothrocarina is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The two species in this genus are found in the Northwestern Pacific Ocean.
The cuskpout is a species of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. It is the only species in the monospecific genus Derepodichthys and is found in the eastern North Pacific Ocean.
Dieidolycus is a genus of marine ray-finned fishes belonging to the family Zoarcidae, the eelpouts. The genus comprises three species which are found in the western central Pacific, southeastern Pacific and Southern Oceans.
Iluocoetes is a monospecific genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. The only species in the genus is Iluocoetes fimbriatus. This species is found off southern South America, off Chile and Argentina, in the southeastern Pacific and southwestern Atlantic Oceans.
Lycodonus is a genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. The species in this genus are found in the North and Southern Atlantic Ocean. These fishes are sometimes called scutepouts.
Lycogrammoides is a monospecific genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. Its only species is Lycogrammoides schmidti, a rare species of the Sea of Okhotsk in the northwestern Pacific Ocean.
The bearded eelpout is a species of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. This species is the only species in the monospecific genus Lyconema. It is found in the eastern Pacific Ocean.
Maynea is a monospecific genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts. Its only species is Maynea puncta which is found in the Magellan Province of the southeastern Pacific Ocean and the southwestern Atlantic Ocean.
Lycozoarces is a monospecific genus of marine ray-finned fish belonging to the family Zoarcidae, the eelpouts, its only species being Lycozoarces regani. It is the only genus in the monogeneric subfamily Lycozoarinae. This taxon occurs in the northwestern Pacific Ocean in the Sea of Okhotsk and the Tatar Strait in the northern Sea of Japan.