BIGEYE SIXGILL SHARK
Description: counter shaded with dark dorsal surface and much lighter ventral surface. Most unique feature is having 6 gills, instead of 5 like most other sharks. A fairly slender shark with a narrow head, large eyes, and a deep notch on upper lobe of caudal fin.
Size: maximum size is 180 cm.
Weight: approximately 20 kg.
Sexual maturity: males are mature are 123 cm and females at 142 cm.
Reproduction: aplacental viviparous with 13-26 pups per litter.
Average life span: unknown
Distribution: found around world in small patches. Areas include the Bahamas, Australia, and Madagascar.
Diet: small to medium bony fish and crustaceans.
Status: data deficient
Human pressure: sometimes accidentally taken as bycatch, but a relatively rare shark.