Lesser guitarfish (Zapteryx brevirostris) fish species and information / pictures of Lesser guitarfish - Zapteryx brevirostris

Lesser guitarfish (Zapteryx brevirostris) fish species information

Scientific Name
Zapteryx brevirostris

Common Name
Lesser guitarfish

Biology
Obtuse snout, broader heart shaped disc. Olive to brownish gray above, without definite markings, dorsal and caudal darker than general ground tint, margins of pectoral and pelvic fins paler. Lower surface grayish or yellowish white, posterior corners of pectoral fins and tips of pelvic fins more or less dusky (Ref. 6902).

Classification

Classified By

M?ller & Henle, 1841

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Guitarfishes (Rhinobatidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: Brazil (Ref. 6902) to Argentina (Ref. 58839).

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.5 s.e. 0.49 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

54.0 cm

Common Length

50.0 cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low to moderate vulnerability (30 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (A2ab+3b+4ab)