Galbraith's catshark (Apristurus sp. X) is an undescribed species of soft-bodied catshark in the family Scyliorhinidae with only one known specimen found.[1]

Galbraith's catshark
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Carcharhiniformes
Family: Pentanchidae
Genus: Apristurus
Species:
A. sp. X
Binomial name
Apristurus sp. X

Description

edit

The shark is elongated in appearance. It has a relatively short snout. The anal fin is relatively short and the pectoral fins are low down. On its ventral snout, there are oval-shaped series of ampullae of Lorenzini. The shark is uniformly brown.[1]

The specimen caught was 58 cm (23 in) long.[1]

Distribution and habitat

edit

The species lives in very deep water, the only specimen was caught at the Bear Seamount in the north-western Atlantic Ocean at a depth of 1,800 m (5,900 ft).[1]

Similar species

edit

It is most similar to the black roughscale catshark (Apristurus melanoasper), but Galbraith's catshark is smaller, the anal fin is shorter, the shape is different and the denticles are of different sizes.[1]

References

edit
  1. ^ a b c d e Castro, José Ignacio (2011). The sharks of North America. New York: Oxford university press. ISBN 978-0-19-539294-4.