Polkadot catshark (Scyliorhinus besnardi) fish species and information / pictures of Polkadot catshark - Scyliorhinus besnardi

Polkadot catshark (Scyliorhinus besnardi) fish species information

Scientific Name
Scyliorhinus besnardi

Common Name
Polkadot catshark

Biology
Found on the outer continental shelf. Oviparous (Ref. 50449).

Classification

Classified By

Springer & Sadowsky, 1970

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: northern Uruguay.

Range

31°S - 39°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

140 m

Depth To - meters

190 m

Zone

demersal

Environment

Marine; demersal; depth range 140 - 190 m

Trophic Level

3.85 s.e. 0.62 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

47.0 cm

Common Length

Unknown 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: of no interest

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)