Whitespotted bullhead shark (Heterodontus ramalheira) fish species and information / pictures of Whitespotted bullhead shark - Heterodontus ramalheira

Whitespotted bullhead shark (Heterodontus ramalheira) fish species information

Scientific Name
Heterodontus ramalheira

Common Name
Whitespotted bullhead shark

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Dark red-brown with scattered white spots (Ref. 6576).

Classification

Classified By

Smith, 1949

Class

Sharks and Rays (Elasmobranchii)

Order

Bullhead and Horn sharks (Heterodontiformes)

Family

Bullhead / horn / Port Jackson sharks (Heterodontidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: off southern Mozambique and Natal, South Africa (Ref. 5578), also off the eastern shore of the Arabian Peninsula.

Range

22°N - 26°S, 30°E - 60°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

40 m

Depth To - meters

275 m

Zone

demersal

Environment

Marine; demersal; depth range 40 - 275 m (Ref. 247), usually 100 - ? m (Ref. 43278)

Trophic Level

3.5 s.e. 0.60 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

64.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5059 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; aquarium: public aquariums

Vulnerability

Moderate to high vulnerability (50 of 100)

Resilience

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

Threat To Humans

  Traumatogenic

IUCN Red List Status

  Data deficient (DD)