A Thresher shark Alopias vulpinus is fatally caught in a fishing net. Photo: Brian J. Skerry / National Geographic Stock / WWF
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Identifying the
dorsal fin
- Tall, erect with an angled leading edge.
- Slightly convexed trailing edge and narrowly rounded apex.
- Short free rear tip and very thick along the base and thick basal cartilage.
STATUS AND RANGE
The Common Thresher Shark Alopias vulpinus is listed as Vulnerable on the IUCN Red List of Threatened Species™ and listed on CITES Appendix II.
Information has been adapted from Abercrombie and Hernandez (2017). Identifying shark fins: implementing and enforcing CITES. Abercrombie & Fish.
