Angular angel shark (Squatina guggenheim) fish species and information / pictures of Angular angel shark - Squatina guggenheim

Angular angel shark (Squatina guggenheim) fish species information

Scientific Name
Squatina guggenheim

Common Name
Angular angel shark

Biology
Bony fishes were the main food followed by crustaceans and molluscs (Ref. 55667). Ovoviviparous (Ref. 50449). Adult males are characterized by the presence of a patch of small spines near the tip of the pectoral fins (Ref. 86510).

Classification

Classified By

Marini, 1936

Class

Sharks and Rays (Elasmobranchii)

Order

Angel sharks (Squatiniformes)

Family

Angel sharks (Squatinidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: southern Brazil and Argentina (Ref. 26282).

Range

20°S - 45°S, 68°W - 40°W

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

4 m

Depth To - meters

360 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 4 - 360 m (Ref. 57911), usually 4 - 266 m (Ref. 55667)

Trophic Level

4.39 s.e. 0.80 Based on food items.

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

129 cm

Common Length

89.0 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

Unknown

Vulnerability

High vulnerability (65 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec=4-10)

Threat To Humans

Harmless

IUCN Red List Status

Endangered (EN) (A2bd)