Common guitarfish (Rhinobatos rhinobatos) fish species and information / pictures of Common guitarfish - Rhinobatos rhinobatos

Common guitarfish (Rhinobatos rhinobatos) fish species information

Scientific Name
Rhinobatos rhinobatos

Common Name
Common guitarfish

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 0. Rostral ridges widely separated over their entire length; anterior nasal lobe reaching to level of inner corner of nostril, posterior nasal flap wide; spiracle with two moderately developed folds, the outer one more prominent; thorns relatively small, present around inner margin of orbits, between spiracles, on shoulders, and along midline of disc and tail; Upper surface khaki-brown, underside white (Ref. 6675).

Classification

Classified By

Linnaeus, 1758

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Guitarfishes (Rhinobatidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: southern Bay of Biscay to Angola, including Mediterranean Sea.

Range

44°N - 17°S, 19°W - 36°E

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

100 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range ? - 100 m (Ref. 12951)

Trophic Level

4.06 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

100.0 cm

Common Length

80.0 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: commercial

Vulnerability

High to very high vulnerability (65 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec=4)

Threat To Humans

Harmless

IUCN Red List Status

Endangered (EN) (A4cd)