Shark Projects
Learn about sharks
All about sharks
Shark protection projects
Projects

Photo © Alexa Elliot

Photo © Alexa Elliot

Photo © Alexa Elliot

Learn about sharks

For example where and when they migrate

For example where and when they migrate

For example where and when they migrate

Photo © Guy Harvey Research Institute

Photo © Guy Harvey Research Institute

Photo © Guy Harvey Research Institute

Shark projects
We support research and public outreach projects

Photo © Matt Potensky

Photo © Matt Potensky

Photo © Matt Potensky

previous arrow
next arrow

The shark species "Bignose shark"

Photo
Bignose shark
Bignose shark
Photo © BluePlanetArchive.com

Photo © BluePlanetArchive.com

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
Bignose shark

Rough area of distribution

Taxonomy
Kingdom:
Animals (Animalia)
Phylum:
Vertebrates (Chordata)
Class:
Cartilagenous fishes (Chondrichthyes)
Order:
Ground sharks (Carcharhiniformes)
Family:
Requiem sharks (Carcharhinidae)
Genus:
Carcharhinus
Names
Scientific:
Carcharhinus altimus
English:
Bignose shark
German:
Grossnasenhai
French:
Requin babosse
Spanish:
Tiburón baboso
Appearance
Large shark with a rounded or bluntly pointed snout. Prominent nasal flaps. Nearly straight pectoral fins. The origin of the first dorsal fin over pectoral fin insertion to about over the mid length of the pectoral inner margins. Prominent interdorsal ridge.
Coloration
Light grey upper body, sometimes even slightly bronze coloration, with a white belly and dusky fin tips, except for the pelvic fins. No conspicuous markings.
Distribution
Distribution is patchy in tropical and subtropical areas. Western Atlantic: North Carolina (rarely further north) to Florida and Bahamas. Cuba, Nicaragua, Costa Rica, Venezuela. Eastern Atlantic: Senegal to Gambia. Western Mediterranean around the coast of Spain. Pacific: China, Hawaii and Gulf of California, southern Mexico, Columbia, and Ecuador.
Biology
A common offshore species, mainly bottom-dwelling in deeper water. Can be found preferably in depths between 250 and 430 m.
Diet
Feeds on fishes (batfish, soles, lizardfish...) and other sharks including dogfish (Squalus sp.), cat sharks (Holohalaelurus sp.) or rays (Dasyatis sp.).
Size
Maximum size possibly about 300 cm, average size about 240 cm.
Reproduction
Viviparous with yolksac-placenta. 3 to 5 pups per litter. Size at birth is probably between 70 and 90 cm. Males mature with a minimum size of 215 cm, females with a minimum size of 225 cm. Sandbar sharks give birth at different times in different areas, August and September in the Mediterranean, September and October around Madagascar.
Similar Species
A few grey shark species have a similar appearance. Tooth shape and formula, and other taxonomic features have to be used to clearly identify species.
Vulnerability
Category: Near Threatened (NT)
Criteria: A2d
Last evaluated: 2020
Trend: Decreasing




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

Danger to Humans
This species does not seem to be a threat to people because of its deepwater habitat.

Support the Shark Foundation in its work to protect sharks.