Biology:Granular dogfish

Short description: Species of shark

Granular dogfish
Conservation status
Vulnerable (IUCN 3.1)
Scientific classification
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
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.

Sources

• Kyne, P.M., Acuña, E., Bustamante, C. & Herman, K. (2020). "Centroscyllium granulatum". IUCN Red List of Threatened Species 2020. https://www.iucnredlist.org/species/44567/124432959. Retrieved 17 January 2021. 
• "Centroscyllium granulatum". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=160705. 
• Froese, Rainer and Pauly, Daniel, eds. (2006). "Centroscyllium granulatum" in FishBase. 06 2006 version.
• FAO Species Catalogue Volume 4 Parts 1 and 2 Sharks of the World

Wikidata ☰ Q2402272 entry