Onychoteuthis
| Onychoteuthis | |
|---|---|
 | |
| Onychoteuthis banksii | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Coleoidea |
| Order: | Teuthida |
| Suborder: | Oegopsina |
| Family: | Onychoteuthidae |
| Genus: | Onychoteuthis Lichtenstein, 1818 |
| Species | |
|
See text | |
Onychoteuthis is a genus of squid in the family Onychoteuthidae. The type species is Onychoteuthis banksii, the common clubhook squid. While the genus is found worldwide in tropical and subtropical oceans, they can also occur in the North Pacific Ocean.
Anatomy
Head and circum-oral processes of the fore-foot. a, Neck. b, Eye. c, The eight short arms. d, Long prehensile tentacles, the clavate extremities of which are provided with suckers at e, and with a double row of hooks beyond at f.
Most species belonging to the genus have a mantle length of under 200 mm, however the larger members may measure over 300 mm. Bilobed photophores are found upon the surface of each eyeball. The temporary conjunction of the arms by means of the suckers enables them to act in combination. The animal has long prehensile arms, the clavate extremities of which are provided with suckers and a double row of hooks.
Species
- Onychoteuthis banksii, common clubhook squid
- Onychoteuthis bergii
- Onychoteuthis borealijaponica, boreal clubhook squid
- Onychoteuthis compacta
- Onychoteuthis horstkottei
- Onychoteuthis lacrima
- Onychoteuthis meridiopacifica
- Onychoteuthis mollis
- Onychoteuthis prolata
Former species
The following four species have been reassigned to other genera.
- Onychoteuthis fabricii now in Gonatus
- Onychoteuthis ingens now in Onykia
- Onychoteuthis lesueurii now in Ancistrocheirus
- Onychoteuthis lichtensteinii now in Ancistroteuthis
External links
This article is issued from Wikipedia - version of the Friday, February 07, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.