Tiger catshark (Halaelurus natalensis) fish species and information / pictures of Tiger catshark - Halaelurus natalensis

Tiger catshark (Halaelurus natalensis) fish species information

Scientific Name
Halaelurus natalensis

Common Name
Tiger catshark

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. A catshark with a prominent upturned knob on the snout, a broad head, and with no spots on the body (Ref. 5578). Yellow-brown in color, with pairs of broad, vertical, dark brown stripes outlining dusky saddles (Ref. 5578), cream ventrally (Ref. 5510).

Classification

Classified By

Regan, 1904

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Southeast Atlantic

Distribution

Southeast Atlantic: Cape Agulhas to East London in South Africa. Until recently, two species were confused under this name, the present one and the recently described Halaelurus lineatus (Ref. 244).

Range

33°S - 35°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

172 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 172 m (Ref. 5578)

Trophic Level

4.21 s.e. 0.51 Based on diet studies.

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

45.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries; gamefish: yes

Vulnerability

Low to moderate vulnerability (29 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)