Australian sharpnose shark (Rhizoprionodon taylori) fish species and information / pictures of Australian sharpnose shark - Rhizoprionodon taylori

Australian sharpnose shark (Rhizoprionodon taylori) fish species information

Scientific Name
Rhizoprionodon taylori

Common Name
Australian sharpnose shark

Biology
A little-known shark (Ref. 9997) found on the continental shelf from close inshore to a depth of at least 110 m (Ref. 6871). Feeds mainly on fishes, but also takes cephalopods and crustaceans (Ref. 6871). Viviparous (Ref. 50449). Caught frequently by inshore demersal gillnet fisheries off Papua, but rarely elsewhere. Utilized for its fins and meat (Ref.58048). Too small to be of any commercial importance (Ref. 6871).

Classification

Classified By

Ogilby, 1915

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Requiem sharks (Carcharhinidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: off Papua New Guinea and northern Australia.

Range

8°S - 28°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

300 m

Zone

pelagic-oceanic

Environment

Marine; pelagic-oceanic; depth range ? - 300 m (Ref. 75154)

Trophic Level

4.5 s.e. 0.80 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

69.1 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:

Vulnerability

Moderate vulnerability (41 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (K=1.01-1.34; tm=1; tmax=7; Fec=1-8)

Threat To Humans

  Harmless

IUCN Red List Status

  Least Concern (LC)