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Bathyteuthis

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(Redirected from Bathyteuthidae) Genus of squids

Bathyteuthis
Bathyteuthis abyssicola
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Bathyteuthida
Family: Bathyteuthidae
Pfeffer, 1900
Genus: Bathyteuthis
Hoyle, 1885
Type species
Bathytellina abyssicola
(Habe, 1958)
Species

See text

Bathyteuthis is the singular genus of squid in the family Bathyteuthidae, encompassing three species.

Bathyteuthis species are found scattered throughout the world's oceans at mesopelagic to bathypelagic depths, commonly between 700–2,000 m (2,300–6,600 ft). They are found in deep-sea territories and can be spotted on the coast of New England.

The genus contains bioluminescent species.

Description

Bathyteuthis are deep reddish maroon in colour and small in size, with none exceeding 80 mm in mantle length. The arms on Bathyteuthis are short, joined by a low, fleshy web, with suckers arranged in irregular rows (two proximally increasing to four distally). Tentacular clubs are short and narrow, with 8–10 longitudinal series of numerous, minute suckers. Buccal connectives have small suckers attached to the dorsal border of the ventral arms (arms IV). Fins are small, round and separate. The head has eyes turned slightly to the front. Suckers lack circularis muscles. Females have paired oviducts.

Reproduction

While the reproduction of many deep-sea squids is poorly known, one Bathyteuthis species, B. berryi, is known to brood its eggs after spawning. It lays relatively few eggs but these eggs are large, protected from predators and parasites, and develop and hatch at a depth decided by the parent.

Taxonomy

Eye of Bathyteuthis sp.

Bathyteuthis shares some characters with oegopsid squid and others with the Myopsida, hence its placement in a separate suborder, the Bathyteuthoidea, by some authorities. The paired oviducts (in females) and suckers without circularis muscles are characteristic of ordinary Oegopsida. However, buccal connective tissue with suckers and tentacle pockets in the head are characters found in myopsid squid, but absent in the Oegopsida.

Species

References

  1. Julian Finn (2016). "Bathyteuthis Hoyle, 1885". World Register of Marine Species. Flanders Marine Institute. Retrieved 24 February 2018.
  2. "WoRMS - World Register of Marine Species - Bathyteuthis abyssicola Hoyle, 1885". www.marinespecies.org. Retrieved 2022-08-02.
  3. Herring, Peter J. (1987). "Systematic distribution of bioluminescence in living organisms". Journal of Bioluminescence and Chemiluminescence. 1 (3): 147–163. doi:10.1002/bio.1170010303. PMID 3503524.
  4. ^ Roper, C. F. E. (2016). "Bathyteuthidae Pfeffer 1900. Bathyteuthis Hoyle 1885". Retrieved 2 August 2022.
  5. ^ Fernández-Álvarez, Fernando Á; Taite, Morag; Vecchione, Michael; Villanueva, Roger; Allcock, A Louise (2022-04-11). "A phylogenomic look into the systematics of oceanic squids (order Oegopsida)". Zoological Journal of the Linnean Society. 194 (4): 1212–1235. doi:10.1093/zoolinnean/zlab069. hdl:10261/267184. ISSN 0024-4082.
  6. Bush, Stephanie L.; Hoving, Hendrik J. T.; Huffard, Christine L.; Robison, Bruce H.; Zeidberg, Louis D. (2012). "Brooding and sperm storage by the deep-sea squid Bathyteuthis berryi (Cephalopoda: Decapodiformes)". Journal of the Marine Biological Association of the United Kingdom. 92 (7): 1629–1636. doi:10.1017/S0025315411002165. ISSN 0025-3154. S2CID 84879507.

External links

Taxon identifiers
Bathyteuthis
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