Scalloped bonnethead (Sphyrna corona) fish species and information / pictures of Scalloped bonnethead - Sphyrna corona

Scalloped bonnethead (Sphyrna corona) fish species information

Scientific Name
Sphyrna corona

Common Name
Scalloped bonnethead

Biology
Found on the continental shelf, presumably inshore. Viviparous, presumably with 2 young per litter. Probably the smallest species of hammerhead.

Classification

Classified By

Springer, 1940

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Hammerhead / bonnethead / scoophead sharks (Sphyrnidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: southern Mexico to northern Peru, probably including the Gulf of California.

Range

13°N - 18°S, 115°W - 69°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.83 s.e. 0.57 Based on size and trophs of closest relatives

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

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5059 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: subsistence fisheries

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Near Threatened (NT)