Cyrano spurdog (Squalus rancureli) fish species and information / pictures of Cyrano spurdog - Squalus rancureli

Cyrano spurdog (Squalus rancureli) fish species information

Scientific Name
Squalus rancureli

Common Name
Cyrano spurdog

Biology
Found on the insular slopes (Ref. 247). Probably ovoviviparous, with 3 young per litter (Ref. 247).

Classification

Classified By

Fourmanoir & Rivaton, 1979

Class

Sharks and Rays (Elasmobranchii)

Order

Bramble, Sleeper and Dogfish sharks (Squaliformes)

Family

Dogfish sharks (Squalidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Chesterfield Islands (Ref. 11897) and Vate, Vanuatu.

Range

16°S - 18°S, 168°E - 170°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

320 m

Depth To - meters

400 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 320 - 400 m (Ref. 247)

Trophic Level

4.3 s.e. 0.64 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

77 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 (60 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Near Threatened (NT)