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The shark species "Crown shark"

Photo
Unfortunately, there is not yet a photo of this shark in the database
Unfortunately, there is not yet a photo of this shark in the database
Range Map
North America South America Africa Australia Europe Asia Coming soon Coming soon
North America South America Africa Australia Europe Asia Coming soon Coming soon
Crown shark

Rough area of distribution

Taxonomy
Kingdom:
Animals (Animalia)
Phylum:
Vertebrates (Chordata)
Class:
Cartilagenous fishes (Chondrichthyes)
Order:
Ground sharks (Carcharhiniformes)
Family:
Hammerhead sharks (Sphyrnidae)
Genus:
Sphyrna
Names
Scientific:
Sphyrna corona
English:
Crown shark , Scalloped bonnethead , Mallethead shark
German:
Korona-Hammerhai
French:
Requin-marteau cornu
Spanish:
Cornuda coronada
Appearance
Small. Moderately broad, anteriorly arched, mallet-shaped head with medial and lateral indentations on its anterior edge and transverse posterior margins. First dorsal fin is falcate, with origin just behind the pectoral fin insertions, and its free rear end approximately opposite or behind the pelvic fin origins. Second dorsal fin is slightly shorter than the anal fin, and ends ahead of the upper caudal origin. Precaudal pit present.
Coloration
Grey, with white ventral surface.
Distribution
Eastern Pacific: Gulf of California. Southern Mexico to Peru.
Biology
A little-known species, rare. Lives on the continental shelf, probably inshore.
Diet
Unknown.
Size
Average size between 60 cm and 70 cm, maximum total length about 90 cm. Probably the smallest hammerhead species of all.
Reproduction
Viviparous, with yolksac-placenta. Litter size probably 2. Size at birth about 25 cm. Males reach sexual maturity with 65 cm, unknown for females.
Similar Species
Can only be mistaken for the that has a different distribution.
Vulnerability
Category: Critically Endangered (CR)
Criteria: A2bcd
Last evaluated: 2020
Trend: Decreasing




© IUCN Red List 2024. The IUCN Red List of Threatened Species: Version 2024-2.

Danger to Humans
Harmless.

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