Australian blacktip shark (Carcharhinus tilstoni) fish species and information / pictures of Australian blacktip shark - Carcharhinus tilstoni

Australian blacktip shark (Carcharhinus tilstoni) fish species information

Scientific Name
Carcharhinus tilstoni

Common Name
Australian blacktip shark

Biology
Found on the continental shelf from close inshore to about 150 m depth (Ref. 9997). Found throughout the water column but usually near the sea bed during the day and near the surface at night (Ref. 6390). Prefers teleost fishes but also feeds on cephalopods to a lesser degree. Viviparous (Ref. 50449). Forms large aggregations (Ref. 6871). Utilized for its meat and fins (Ref. 6871). The flesh has a relatively high mercury content (Ref. 6871).

Classification

Classified By

Whitley, 1950

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Requiem sharks (Carcharhinidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: currently known only from the continental shelf of tropical Australia. Very similar to Carcharhinus limbatus and reliably distinguished only by biochemical studies and vertebral counts (Ref. 9819).

Range

10°S - 28°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

150 m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic; depth range ? - 150 m (Ref. 6871)

Trophic Level

4.23 s.e. 0.68 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

200 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: minor commercial

Vulnerability

High to very high vulnerability (70 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.14; tm=3-4; tmax=12)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)