Brazilian sharpnose shark (Rhizoprionodon lalandii) fish species and information / pictures of Brazilian sharpnose shark - Rhizoprionodon lalandii

Brazilian sharpnose shark (Rhizoprionodon lalandii) fish species information

Scientific Name
Rhizoprionodon lalandii

Common Name
Brazilian sharpnose shark

Biology
Inhabits shallow coastal waters, on sandy and muddy bottoms, and not normally found in lagoons and estuaries (Ref. 244). Feeds on small bony fishes, including sardines and anchovies, also shrimp and squid (Ref. 244). Viviparous, with 1 to 4 young in a litter; size at birth 33 to 34 cm (Ref. 244). Its flesh is highly appreciated and is marketed dried salted.

Classification

Classified By

M?ller & Henle, 1839

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Requiem sharks (Carcharhinidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: Panama to southern Brazil and Uruguay (Ref. 58839).

Range

13°N - 33°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

70 m

Zone

demersal

Environment

Marine; demersal; depth range 3 - 70 m (Ref. 244)

Trophic Level

4.28 s.e. 0.65 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

77 cm

Common Length

55.0 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

Low to moderate vulnerability (34 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Fec=1)

Threat To Humans

  Harmless

IUCN Red List Status

  Data deficient (DD)