ISSF convenes a diverse group of stakeholders — NGOs, vessel owners, retailers, tuna processors and more — to make sustainability recommendations to tuna Regional Fisheries Management Organizations (RFMOs).

Here are recent advocacy letters that have resulted from that collaborative work.

Towards Acoustic Discrimination of Tuna Species at FADS

Date Added: September 14, 2016
Downloaded: 1799 times
Tags: Bigeye Tuna, Bycatch, Conservation Measures, FADs, Purse Seine, Skipjack, Sticky, Tuna, Yellowfin Tuna
Language: English

Description

ISSF is sponsoring research to develop a methodology to achieve acoustic selectivity of tropical tuna species, exploring the frequency response of tunas with and without swim-bladders. Swim-bladdered and non-swim-bladdered species typically have different contrasting frequency responses. This research could be applied during fishing operations to help distinguish skipjack (non-swim-bladdered fish) from bigeye and yellowfin tunas (swim-bladdered fish) — and avoid catching undesirable tuna species in FAD sets.