Slender sawtail catshark (Galeus gracilis) fish species and information / pictures of Slender sawtail catshark - Galeus gracilis

Slender sawtail catshark (Galeus gracilis) fish species information

Scientific Name
Galeus gracilis

Common Name
Slender sawtail catshark

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Bold saddle markings on body and precaudal tail, but without dark markings on the terminal and hypural caudal-fin lobes (Ref. 11146).

Classification

Classified By

Compagno & Stevens, 1993

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: northern Australia.

Range

10°S - 28°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

290 m

Depth To - meters

470 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 290 - 470 m (Ref. 11146)

Trophic Level

3.86 s.e. 0.54 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

34.0 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 vulnerability (24 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)