Nursehound (Scyliorhinus stellaris) fish species and information / pictures of Nursehound - Scyliorhinus stellaris

Nursehound (Scyliorhinus stellaris) fish species information

Scientific Name
Scyliorhinus stellaris

Common Name
Nursehound

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. A large, fairly stocky, catshark with large and small black spots and sometimes white spots covering dorsal surface, saddle markings obsolete, small anterior nasal flaps that do not reach the mouth, no nasoral grooves, labial furrows on lower jaw only, second dorsal fin much smaller than first (Ref. 244)

Classification

Classified By
Linnaeus, 1758
Class
Sharks and Rays (Elasmobranchii)
Order
Ground sharks (Carcharhiniformes)
Family
Cat sharks (Scyliorhinidae)

Distribution

Region
Northeast Atlantic
Distribution
Northeast Atlantic: Shetlands (rare), southern Scandinavia and British Isles to Morocco, including the Mediterranean. Distribution southward of this range is uncertain.
Range
64°N - 12°N, 18°W - 36°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
400 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 400 m (Ref. 27000), usually 20 - 63 m (Ref. 244)
Trophic Level
4.03 s.e. 0.53 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
170 cm
Common Length
125 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; aquarium: public aquariums
Vulnerability
High to very high vulnerability (69 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be
Threat To Humans
  Harmless
IUCN Red List Status
  Near Threatened (NT)