NOAA encourages fishermen to release shortfin mako sharks alive

27 May 2011

NOAA’s Fisheries Service has launched a voluntary program to encourage commercial and recreational fishermen to safely release Atlantic shortfin mako sharks alive and report the releases to NOAA for posting on an online map.

The new program is designed to encourage the conservation of North Atlantic shortfin mako sharks. Scientific research shows many of these sharks are being caught and kept, damaging the long-term sustainability of the population. The most recent assessment of North Atlantic shorfin makos found that the population had declined about 50% from the 1950s.

Shortfin mako sharks, like other shark species, grow slowly, mature late, and produce few young, making them vulnerable to fishing. The average female shortfin mako shark becomes sexually mature at 18, while males are mature at 8. This highly migratory species is managed by the International Commission for the Conservation of Atlantic Tunas, of which the US is a member.

Shortfin makos are often caught unintentionally by commercial fishermen who are targeting swordfish and tuna with longline gear. They are also caught by recreational fishermen and are a popular catch in shark tournaments. It is legal for commercial and recreational fishermen to retain the sharks. However, recreationally caught sharks must not be smaller than 54 inches from the tip of the shark's nose to the fork of its tail. While some fishermen continue to retain shortfin makos for food, fins, and jaws, NOAA’s Fisheries Service encourages fishermen to consider the effect on the stock in the long-term and choose to release them.

NOAA encourages fishermen to learn how to safely release sharks so that they are not injured and the sharks are released in good condition. Fishermen may obtain a brochure at on the safe release of sharks and other highly migratory species.

For more information about the program, to view the interactive map and learn how to submit information on a live shark release, go to

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