Narrowfin smooth-hound (Mustelus norrisi) fish species and information / pictures of Narrowfin smooth-hound - Mustelus norrisi

Narrowfin smooth-hound (Mustelus norrisi) fish species information

Scientific Name
Mustelus norrisi

Common Name
Narrowfin smooth-hound

Biology
Found on the continental shelves, on muddy or sandy bottoms to about 80 m depth. Feeds on crabs and shrimps, and also bony fishes. Viviparous (with a yolk-sac placenta), with 7 to 14 young in a litter. Size at birth 30 cm.

Classification

Classified By

Springer, 1939

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Houndsharks (Triakidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: Florida, USA and the northern Gulf of Mexico to Venezuela; also southern Brazil.

Range

32°N - 36°S, 99°W - 47°W

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

100 m

Zone

demersal

Environment

Marine; demersal; depth range ? - 100 m (Ref. 55584), usually 3 - 4 m (Ref. 55311)

Trophic Level

3.87 s.e. 0.67 Based on food items.

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

80.0 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: minor commercial

Vulnerability

Moderate to high vulnerability (53 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec=7)

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)