By-catch gets more than 300,000 small whales, dolphins, and porpoises on their fishing nets every year, making by-catch the largest cause of mortality for small cetaceans and pushing many to verge of extinction. More than 250,000 endangered loggerhead turtles and endangered leatherback turtles are caught on long-lines set for tuna, swordfish. Long-lining threatens 26 species of seabird and kills more than 300,000 seabirds annually. 89% of hammerhead sharks and 80% of thresher and white sharks have disappeared in the Northeast Ocean in last 18 months due to by-catch. Shrimp trawlers catch 35 million juvenile red snappers each year. Billions of corals, sponges, starfish and other invertebrates are caught by by-catch.
Source: Bycatch – WWF
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