Biology:Granular dogfish

From HandWiki
Short description: Species of shark

Granular dogfish
Centroscyllium granulatum.JPG
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Subdivision: Selachimorpha
Order: Squaliformes
Family: Etmopteridae
Genus: Centroscyllium
Species:
C. granulatum
Binomial name
Centroscyllium granulatum
Günther, 1887
Centroscyllium granulatum distmap.png
Range of the granular dogfish (in blue)

The granular dogfish, Centroscyllium granulatum, is a little-known, very small dogfish shark of the family Etmopteridae, endemic to the Falkland Islands.

Physical characteristics

The granular dogfish has no anal fin, two dorsal spines with the second one much larger than the first, a large second dorsal fin, a long abdomen, small pectoral and pelvic fins, a large eye, prominent nostrils and spiracles, and brownish-black coloration. It is very small, growing to only 28 cm.

Distribution

They have only been found around the Falkland Islands in the South Atlantic.

Habits and habitat

Almost nothing is known about this shark. It has been caught at around 450 m depth.

References

  1. Kyne, P.M.; Acuña, E.; Bustamante, C.; Herman, K. (2020). "Centroscyllium granulatum". IUCN Red List of Threatened Species 2020: e.T44567A124432959. doi:10.2305/IUCN.UK.2020-3.RLTS.T44567A124432959.en. https://www.iucnredlist.org/species/44567/124432959. Retrieved 19 November 2021. 

Sources

Wikidata ☰ Q2402272 entry