Grimpoteuthis plena

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Grimpoteuthis plena
GrimpoteuthisPlena.jpg
G. plena
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Grimpoteuthidae
Genus: Grimpoteuthis
Species:
G. plena
Binomial name
Grimpoteuthis plena
Verrill, 1885 [2]
Synonyms
  • Cirroteuthis plena [2]

Grimpoteuthis plena is known from only one specimen, which cannot be easily separated from other species of Grimpoteuthis in the Atlantic Ocean. [3] The specimen was in poor condition. It's similar to Grimpoteuthis wuelkeri , [4] and may be a junior specimen of Grimpoteuthis umbellata . [1]

Description and habitat

G. plena was found in the northwestern Atlantic Ocean, at 1,963 meters deep. [4] [5] Like other members of Grimpoteuthidae, it could be demersal. [1] Specifically, the Grimpoteuthis Plena was found at a latitude of 37º 35’N and a longitude of 71º 18’W in the northwestern Atlantic Ocean along with other species of the same genus being found nearby. [6] The G. plena was found in the year 1880 by Verrill. [6]

The specimen's mantle reached 57 millimeters long, and its total length reached 185 millimeters. [5]

Some of its arms are longer than the others. There are between 55 and 60 suckers per arm, the largest of which are 2.5 millimeters in diameter. The octopus' cirri are short. Its fins are each 32 millimeters long. The eyes are small: each is 12 millimeters in diameter. [3]

Related Research Articles

<i>Grimpoteuthis</i> Genus of cephalopods known as the dumbo octopuses

Grimpoteuthis is a genus of pelagic cirrate (finned) octopods known as the dumbo octopuses. The name "dumbo" originates from their resemblance to the title character of Disney's 1941 film Dumbo, having two prominent ear-like fins which extend from the mantle above each eye. There are 17 species recognized in the genus. Prey include crustaceans, bivalves, worms and copepods. The average life span of various Grimpoteuthis species is 3–5 years.

Cryptoteuthis brevibracchiata, the short-arm flapjack octopod, 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. 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.

Grimpoteuthis abyssicola, commonly known as the red jellyhead, is a species of small deep-sea octopus known from two specimens. The holotype specimen was a female collected on the Lord Howe Rise, between 3154 and 3180 meters depth. A second specimen was collected on the continental slope of south-eastern Australia between 2821 and 2687 m depth.

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<i>Grimpoteuthis discoveryi</i> Species of octopus

Grimpoteuthis discoveryi is a small species of octopus known from more than 50 specimens. It was described in 2003, but specimens have been found as early as 1910. The type species was found at 49°35'N, 14°01'W.

<i>Grimpoteuthis hippocrepium</i> Species of octopus

Grimpoteuthis hippocrepium is a species of octopus. It is only known from one specimen found in 1904, which was poorly preserved. Some characteristics G. hippocrepium are unknown.

Grimpoteuthis innominata, commonly known as the small jellyhead, is a species of small, pelagic octopus described by Steve O'Shea in 1999 from two specimens, however several further specimens have since been identified. The genus Enigmateuthis was described to contain this species when described, but Martin Collins placed the species in the genus Grimpoteuthis due to uncertainty regarding the type specimen of Grimpoteuthis.

<i>Grimpoteuthis meangensis</i> Species of octopus

Grimpoteuthis meangensis is known from either one or two specimens, though the second may be of a completely different species. The first was damaged. Both were found by William Evans Hoyle within one year of each other, and no other animals of the species have been identified since 1886.

<i>Grimpoteuthis megaptera</i> Species of octopus

Grimpoteuthis megaptera is a species of octopus known from five specimens, collected by Addison Emery Verrill. Between two and three of these specimens may belong to different species.

<i>Grimpoteuthis pacifica</i> Species of octopus

Grimpoteuthis pacifica is an octopus known from one badly damaged specimen. It is not completely described, and it is not easily separated from some other species of octopus. Nothing clearly differentiates G. pacifica from Grimpoteuthis hippocrepium except for its type locality.

Grimpoteuthis tuftsi is an octopus known from seven specimens.

<i>Grimpoteuthis umbellata</i> Species of octopus

Grimpoteuthis umbellata, known from three specimens, is the type species of Grimpoteuthis.

Grimpoteuthis wuelkeri is a medium-sized octopus characterized from multiple specimens.

Opisthoteuthis bruuni is a species of finned cirrate octopus found along the western coast of South America. Their tissue is almost jelly-like, and they have short, round bodies.

<i>Opisthoteuthis grimaldii</i> Species of octopus

Opisthoteuthis grimaldii is an octopus found near the Azores.

Opisthoteuths hardyi is a lesser-known octopus species. It was described in 2002 from a male caught off the Shag Rocks, which are far south in the Atlantic Ocean near the Falkland Islands.

Opisthoteuthis massyae is an octopus living in the eastern Atlantic Ocean.

Opisthoteuthis philipii is an octopus of the Indian Ocean. It lives off the coast of Kerala, India. Known specimens were found between 275–365 m (902–1,198 ft) deep in the Arabian Sea near Alappuzha.

<span class="mw-page-title-main">Grimpoteuthidae</span> Family of bentho-pelagic octopuses

Grimpoteuthidae are a family of bentho-pelagic octopuses, comprising three currently accepted genera. They have extensive arm webbing and relatively large fins allowing for powerful fin swimming.

References

  1. 1 2 3 Lyons, G.; Allcock, L. (2014). "Grimpoteuthis plena". IUCN Red List of Threatened Species . 2014: e.T163090A971748. doi: 10.2305/IUCN.UK.2014-3.RLTS.T163090A971748.en . Retrieved 19 November 2021.
  2. 1 2 Cuvelier, Daphne; Rosenberg, Gary; Bouchet, Philippe. "Grimpoteuthis plena". World Register of Marine Species. Retrieved 11 June 2018.
  3. 1 2 Vecchione, Michael; Young, Richard E. "Grimpoteuthis plena". Tree of Life Web Project. Retrieved 11 June 2018.
  4. 1 2 Gibson, R.N.; Atkinson, R. J. A.; Gordon, J. D. M. (2006). Oceanography and Marine Biology: An Annual Review, Volume 44 (illustrated ed.). CRC Press. p. 298. ISBN   978-1420006391 . Retrieved 11 June 2018.
  5. 1 2 Jereb, Patrizia; Roper, Clyde F.E.; Norman, Mark D.; Finn, Julian K., eds. (2016). Cephalopods of the World: an Annotated and Illustrated Catalog of Cephalopods Known to Date Volume 3. Octopods and Vampire Squids (PDF). Rome. p. 263. ISBN   978-92-5-107989-8.{{cite book}}: CS1 maint: location missing publisher (link)
  6. 1 2 Collins, Martin A. (2003-09-01). "The genus Grimpoteuthis (Octopoda: Grimpoteuthidae) in the north-east Atlantic, with descriptions of three new species". Zoological Journal of the Linnean Society. 139 (1): 93–127. doi: 10.1046/j.1096-3642.2003.00074.x . ISSN   0024-4082.
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