Western spotted catshark (Asymbolus occiduus) fish species and information / pictures of Western spotted catshark - Asymbolus occiduus

Western spotted catshark (Asymbolus occiduus) fish species information

Scientific Name
Asymbolus occiduus

Common Name
Western spotted catshark

Biology
Medium-sized body pale, yellowish green with 8 or 9 pale brownish saddles on the upper surface and sides; covered with sharply defined, brownish black spots; prominent dark spot usually beneath each eye and a single spot on dorsal midline between each saddle; trunk narrow; head relatively short. Caudal fin long, peduncle deep; dorsal and pelvic fins low; anal-fin base longer than pelvic-anal space. Teeth ridged, 5 main cusps. Monospondylous centra 37-41. Posterior margin of first dorsal fin 0.61-0.77 times its base (Ref. 36718).

Classification

Classified By
Last, Gomon & Gledhill, 1999
Class
Sharks and Rays (Elasmobranchii)
Order
Ground sharks (Carcharhiniformes)
Family
Cat sharks (Scyliorhinidae)

Distribution

Region
Eastern Indian Ocean
Distribution
Eastern Indian Ocean: Southwestern Australia.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
98 m
Depth To - meters
400 m
Zone
pelagic-oceanic
Environment
Marine; pelagic-oceanic; depth range 98 - 400 m (Ref. 36718)
Trophic Level
3.98 s.e. 0.64 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
60.1 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (35 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)