Bathyteuthis: Difference between revisions
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==Description== |
==Description== |
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''Bathyteuthis'' are deep reddish maroon in colour and small in size, with none exceeding 80 mm in [[Mantle (mollusc)|mantle]] length.<ref name=":0" /> The arms on ''Bathyteuthis'' are short, joined by a low, fleshy web, with suckers arranged in irregular rows (two proximally increasing to four distally).<ref name=":0" /> Tentacular clubs are short and narrow, with |
''Bathyteuthis'' are deep reddish maroon in colour and small in size, with none exceeding 80 mm in [[Mantle (mollusc)|mantle]] length.<ref name=":0" /> The arms on ''Bathyteuthis'' are short, joined by a low, fleshy web, with suckers arranged in irregular rows (two proximally increasing to four distally).<ref name=":0" /> Tentacular clubs are short and narrow, with 8–10 longitudinal series of numerous, minute suckers.<ref name=":0" /> Buccal connectives have small suckers attached to the dorsal border of the ventral arms (arms IV).<ref name=":0" /> Fins are small, round and separate.<ref name=":0" /> The head has eyes turned slightly to the front.<ref name=":0" /> Suckers lack circularis muscles.<ref name=":1">{{Cite journal |last1=Fernández-Álvarez |first1=Fernando Á |last2=Taite |first2=Morag |last3=Vecchione |first3=Michael |last4=Villanueva |first4=Roger |last5=Allcock |first5=A Louise |date=2022-04-11 |title=A phylogenomic look into the systematics of oceanic squids (order Oegopsida) |url=https://academic.oup.com/zoolinnean/article/194/4/1212/6377132 |journal=Zoological Journal of the Linnean Society |language=en |volume=194 |issue=4 |pages=1212–1235 |doi=10.1093/zoolinnean/zlab069 |issn=0024-4082|doi-access=free |hdl=10261/267184 |hdl-access=free }}</ref> Females have paired [[oviduct]]s.<ref name=":1" /> |
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== Reproduction == |
== Reproduction == |
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Latest revision as of 07:02, 7 June 2024
| Bathyteuthis | |
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| Bathyteuthis abyssicola | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Bathyteuthida |
| Family: | Bathyteuthidae Pfeffer, 1900 |
| Genus: | Bathyteuthis Hoyle, 1885[1] |
| Type species | |
| Bathytellina abyssicola (Habe, 1958)
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| Species | |
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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.[2]
The genus contains bioluminescent species.[3]
Description
[edit]Bathyteuthis are deep reddish maroon in colour and small in size, with none exceeding 80 mm in mantle length.[4] The arms on Bathyteuthis are short, joined by a low, fleshy web, with suckers arranged in irregular rows (two proximally increasing to four distally).[4] Tentacular clubs are short and narrow, with 8–10 longitudinal series of numerous, minute suckers.[4] Buccal connectives have small suckers attached to the dorsal border of the ventral arms (arms IV).[4] Fins are small, round and separate.[4] The head has eyes turned slightly to the front.[4] Suckers lack circularis muscles.[5] Females have paired oviducts.[5]
Reproduction
[edit]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.[6]
Taxonomy
[edit]
Bathyteuthis shares some characters with oegopsid squid and others with the Myopsida, hence its placement in a separate suborder, the Bathyteuthoidea, by some authorities.[4] 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.[citation needed]
Species
[edit]- Bathyteuthis abyssicola, deepsea squid
- Bathyteuthis bacidifera
- Bathyteuthis berryi
References
[edit]- ^ Julian Finn (2016). "Bathyteuthis Hoyle, 1885". World Register of Marine Species. Flanders Marine Institute. Retrieved 24 February 2018.
- ^ "WoRMS - World Register of Marine Species - Bathyteuthis abyssicola Hoyle, 1885". www.marinespecies.org. Retrieved 2022-08-02.
- ^ 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.
- ^ a b c d e f g Roper, C. F. E. (2016). "Bathyteuthidae Pfeffer 1900. Bathyteuthis Hoyle 1885". Retrieved 2 August 2022.
- ^ a b 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.
- ^ 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
[edit]| Authority control databases: National |
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