Pacific sharpnose shark (Rhizoprionodon longurio) fish species and information / pictures of Pacific sharpnose shark - Rhizoprionodon longurio

Pacific sharpnose shark (Rhizoprionodon longurio) fish species information

Scientific Name
Rhizoprionodon longurio

Common Name
Pacific sharpnose shark

Biology
Found on the continental shelves, more commonly on the littoral zone. Possibly to 154 cm. Viviparous (Ref. 50449). Size at birth 33 to 34 cm. Utilized fresh or frozen for human consumption and also for fishmeal.

Classification

Classified By

Jordan & Gilbert, 1882

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Requiem sharks (Carcharhinidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: southern California, USA to Peru.

Range

33°N - 16°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

27 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range ? - 27 m

Trophic Level

4.24 s.e. 0.70 Based on diet studies.

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

110 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

High vulnerability (60 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)