Slender guitarfish (Rhinobatos holcorhynchus) fish species and information / pictures of Slender guitarfish - Rhinobatos holcorhynchus

Slender guitarfish (Rhinobatos holcorhynchus) fish species information

Scientific Name
Rhinobatos holcorhynchus

Common Name
Slender guitarfish

Biology
A guitarfish with a narrow, sharply pointed snout and a narrow pectoral disc; nasal flaps extend only to the inner nostril edges (Ref. 5578). Plain olive-green above, without spots; prominent black blotch on underside of snout (Ref. 5578).

Classification

Classified By

Norman, 1922

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Guitarfishes (Rhinobatidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: Kenya to Natal, South Africa.

Range

- 31°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

75 m

Depth To - meters

253 m

Zone

demersal

Environment

Marine; demersal; depth range 75 - 253 m (Ref. 11228)

Trophic Level

3.62 s.e. 0.56 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

127 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

High vulnerability (57 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)