Straight-tooth weasel shark (Paragaleus tengi) fish species and information / pictures of Straight-tooth weasel shark - Paragaleus tengi

Straight-tooth weasel shark (Paragaleus tengi) fish species information

Scientific Name
Paragaleus tengi

Common Name
Straight-tooth weasel shark

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Grey or grey-brown above, light below; no prominent markings on body and fins (Ref. 13567).

Classification

Classified By

Chen, 1963

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Weasel sharks (Hemigaleidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Japan to Viet Nam, including Hong Kong and Taiwan. Report of a record from off Madagascar may be an undescribed Paragaleus which has just recently been collected.

Range

34°N - 15°N

Environment

Climate

Tropical

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

4.13 s.e. 0.50 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

88.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5664 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Moderate vulnerability (37 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec is assumed to be

Threat To Humans

Harmless (Ref. 13567)

IUCN Red List Status

Data deficient (DD)