Narrownose smooth-hound (Mustelus schmitti) fish species and information / pictures of Narrownose smooth-hound - Mustelus schmitti

Narrownose smooth-hound (Mustelus schmitti) fish species information

Scientific Name
Mustelus schmitti

Common Name
Narrownose smooth-hound

Biology
Found on the continental shelf. Feeds on crabs and probably other crustaceans, and presumably small fishes. Ovoviviparous (aplacental) with 2 to 7 pups per litter. Size at birth 26 cm. Utilized for human consumption.

Classification

Classified By

Springer, 1939

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Houndsharks (Triakidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: southern Brazil to northern Argentina.

Range

28°S - 45°S, 66°W - 46°W

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

60 m

Depth To - meters

195 m

Zone

demersal

Environment

Marine; demersal; oceanodromous (Ref. 51243); depth range 60 - 195 m (Ref. 27770)

Trophic Level

3.59 s.e. 0.49 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

92.0 cm

Common Length

60.0 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

Fisheries: highly commercial

Vulnerability

Moderate to high vulnerability (48 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec=2-3)

Threat To Humans

Harmless

IUCN Red List Status

Endangered (EN) (A2bd+3bd+4bd)