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Smalltail shark (Carcharhinus porosus) fish species and information / pictures of Smalltail shark - Carcharhinus porosus

Smalltail shark (Carcharhinus porosus) fish species information

Scientific Name
Carcharhinus porosus

Common Name
Smalltail shark

Biology
Found in the continental shelves, preferably over muddy bottoms, and especially in estuaries. Feeds mainly on small fishes including young hammerhead and sharpnose sharks, and shrimps. Viviparous, with 2 to 7 young in a litter. Size at birth between 31 and 40 cm. Utilized fresh for human consumption and processed for fishmeal, and liver extracted for oil.

Classification

Classified By
Ranzani, 1839
Class
Sharks and Rays (Elasmobranchii)
Order
Ground sharks (Carcharhiniformes)
Family
Requiem sharks (Carcharhinidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: northern Gulf of Mexico to southern Brazil (excluding the Caribbean islands) and Uruguay (Ref. 58839). Eastern Pacific: Gulf of California to Peru, not at offshore islands. Specimens of porosus from Borneo, Viet Nam and Thailand may represent an undescribed small species of Carcharhinus.
Range
32°N - 36°S, 115°W - 33°W

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
36 m
Zone
demersal
Environment
Marine; brackish; demersal; depth range ? - 36 m
Trophic Level
4.14 s.e. 0.68 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
150 cm
Common Length
90.0 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
Very high vulnerability (77 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (K=0.08; tm=6; tmax=12; assuming Fec
Threat To Humans
  Harmless
IUCN Red List Status
  Data deficient (DD)