Scalloped Hammerhead Shark (Sphyrna lewini)
Scalloped Hammerhead Shark
Distinct Population Segment (DPS) boundaries
Did You Know?
- They are the only sharks listed under the Endangered Species Act.
--Eastern Atlantic "DPS"
--Eastern Pacific "DPS"
--Central & Southwest Atlantic "DPS"
--Indo-West Pacific "DPS"
CITES Appendix II - throughout its range
|up to 335 pounds (152 kg)|
|5-11 feet (1.5-3.5 m)|
|flat, extended head or "cephalofoil" with indentations|
|crustaceans, teleosts, cephalopods and rays|
|"viviparous" or give birth to live young, 12-31pups in a litter|
- targeted fisheries, shark fin trade
This species is highly desired for the shark fin trade because of its fin size and high fin ray count. They are caught in a variety of fisheries including artisanal and small-scale commercial fisheries, bottom longlines as well as offshore pelagic longlines, gillnets, etc. They are valuable in the international fin and are often used to make shark fin soup. Compilation of market prices from auction records indicates an average, wholesale, unprocessed fin market value of about $50-100 per pound.effective as of September 14, 2014. Export of their fins requires permits that ensure the products were legally acquired and that the Scientific Authority of the State of export has advised that such export is not detrimental to the survival of the species. status review of the species in April 2013. In July 2014, we listed 4 DPSs under the ESA.
|Notice of Critical Habitat Determination||80 FR 71774||11/17/2015|
|Final Rule to List 4 DPSs under the ESA||79 FR 38213||07/03/2014|
|Status Review Report (updated 2014)
» 2013 Status Review Report
Proposed Endangered and Threatened Listing Determinations for 4 Distinct Population Segments (DPSs)
|78 FR 20717||04/05/2013|
||78 FR 20717||04/05/2013|
|CITES Appendix II Proposal||10/04/2012|
|90-Day Finding on a Petition To List the Scalloped Hammerhead Shark as Threatened or Endangered and Initiation of Status Review||76 FR 72891||11/28/2011|
|Petition to List Under the ESA||n/a||08/2011|
- CITES Implementation: U.S. Fish and Wildlife
- CITES Sharks and Manta Rays
- NOAA's role in CITES
- CITES conference takes decisive action to halt decline sharks, other species
- IUCN Red List
Updated: November 19, 2015