Cryptoteuthis

Cryptoteuthis
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Grimpoteuthidae
Genus: Cryptoteuthis
Collins, 2004
Species:
C. brevibracchiata
Binomial name
Cryptoteuthis brevibracchiata
Collins, 2005[2]

Cryptoteuthis brevibracchiata, the short-arm flapjack octopod,[3] is a deepwater species of octopod. It is the only species in the monotypic genus Cryptoteuthis one of the cirrate octopuses of the family Grimpoteuthidae, the umbrella octopuses.[2] It is known from a single specimen which was collected in the northeastern Atlantic Ocean. It has characteristics which are shared with two other genera, Opisthoteuthis and Grimpoteuthis, but is sufficiently distinctive from either of these to warrant the erection of a new genus.[4]

Description

Cryptoteuthis brevibracchiata is a bell-shaped octopus with a semi-gelatinous, semi-transparent body, except for the dark tips of the oral web and the tips of the fins. The fins are small and round, and their length is equal to half the width of the head. It has short arms, each with a single row of small, broad suckers and with a double row of cirri which are of moderate length, with each cirrus just longer than the diameter of the suckers. The longest arm has 48 suckers and the web is around half the length of the arms. The eyes are laterally positioned and the optic nerve passes through the white body in a single bundle. There are no posterior salivary glands, radula or ink sac. The digestive gland is entire. It has a simple U-shaped shell. The gills have 7 primary lamellae. The mantle length 35 mm and the total length is 121mm.[3]

Distribution and habitat

Cryptoteuthis brevibracchiata was described from a single specimen, an immature female, collected in the northeastern Atlantic Ocean near the Porcupine Seabight at 49°54 N, 12°21 W from a depth of between 2,274 and 2,300m, south west of Ireland. The habitat is unknown but this species is unlikely to be demersal and it shows adaptations which suggest that it may be a benthic species which a preference for soft substrates, like some related taxa, such as Grimpoteuthis.[1]

References

  1. ^ a b Lyons, G.; Allcock, L. (2014). "Cryptoteuthis brevibracchiata". IUCN Red List of Threatened Species. 2014 e.T176058A1425759. doi:10.2305/IUCN.UK.2014-3.RLTS.T176058A1425759.en. Retrieved 19 November 2021.
  2. ^ a b Philippe Bouchet (2015). "Cryptoteuthis brevibracchiata Collins, 2004". World Register of Marine Species. Flanders Marine Institute. Retrieved 5 February 2018.
  3. ^ a b Patrizia Jereb; Clyde F.E. Roper; Mark D. Norman; Julian K. Finn, eds. (2016). Cephalopds of the World An Annotated and illustrated catalogue of Cephalopods species known to date Volume 3 Octopods and Vampire Squids (PDF). Food and Agriculture Organisation of the United Nations, Rome. ISBN 978-92-5-107989-8.
  4. ^ Martin A. Collins (2004). "Cryptoteuthis brevibracchiata: a new species and genus of cirrate octopod (Octopoda: Cirrata)". Journal of Molluscan Studies. 70 (3): 263–267. doi:10.1093/mollus/70.3.263.

Content Disclaimer

Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.

  1. The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
  2. There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
  3. It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
  4. Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
  5. Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.