Suspected illegal fishing vessel with shark fins hanging up to dry on the aft deck, encountered near Saint Helena, South Atlantic Ocean

Antarctic fur seal pup (Arctocephalus gazella) caught in fishing net on South Georgia, Southern Ocean, Polar Regions

Antarctic fur seal pup (Arctocephalus gazella) caught in fishing net on South Georgia, Southern Ocean, Polar Regions

Fresh seafood, Suao, Taipei, Taiwan, Asia

Dried stingrays and fish for sale at a seafood market near Yeongjongdo pier, Incheon, Gyeonggi-Do, South Korea, Asia

Swordfish ( Xiphias gladius), captured in longline, St. Peter and St. Paul's rocks, Brazil, South America

White shark killed in drift net, on deck (Carcharodon carcharius). USA, Channel Islands, CA

Blue shark in gill net (rr)

Sealion drowned in net (rr)

Turtle researchers from the NGO Pro Caguama study and capture the critically endangered Loggerhead Turtle (Caretta caretta) from the town of Puerto Lopez Mateos

Blue shark in net. (rr)

Fishermen displaying Tiger shark (Galeocerdo cuvier) jaw in the fish market. Dar es Salaam, Tanzania

Bottlenose dolphin and Finless porpoise washed up dead on a beach. Netting from fishing gear that killed them was still attached to their tails. Arabian Gulf, UAE

Illegal trading of turtle shells in fish market. Dar es Salaam, Tanzania

Minke whale (Balaenoptera acutorostrata) caught in creel line. Minke whales are occasionally caught in the lines connecting lobster pots (creels) and will drown if not released promptly. This creel fishermen helped researchers untangle this dead whale from another fisherman's gear. Hebrides, Scotland

Live fish agonizing at seafood market, Dodong-Ri harbor, Ulleungdo, South Korea, Asia

Largehead hairtail (Trichiurus lepturus), Jagalshi fish market, Busan, South Korea, Asia

Live fish at seafood market near Yeongjongdo pier, Incheon, Gyeonggi-Do, South Korea, Asia

Drift net in shallow water, Negros Island, Philippines, Visayan Sea, Southeast Asia, Asia

Swordfish ( Xiphias gladius), captured in longline, St. Peter and St. Paul's rocks, Brazil, South America

Minke whale (Balaenoptera acutorostrata) with a loup of plastic packing tape stuck in its baleen, round its upper jaw and over its blow hole. Hebrides, Scotland

Mobula bycatch, Ecuador.

Fishermen displaying tiger shark (Galeocerdo cuvier) jaw in the fish market. Dar es Salaam, Tanzania

Bottlenose dolphin (Tursiops truncatus aduncus) and Finless porpoise (Neophocaena phocaenoides) - died from net entanglement. Found on island off coa

Bottlenose dolphin (Tursiops truncatus aduncus) washed up dead on a beach. Sharp teeth visible. Arabian Gulf, UAE.

Swordfish ( Xiphias gladius), captured in longline, St. Peter and St. Paul's rocks, Brazil, South America

Aerial of dead Humpback whale (Megaptera novaeangliae) caught in fishing line. Gulf of Maine, USA. (rr)

Trumpetfish (Aulostomus sp) caught in nets set for smaller fish. Coast of United Arab Emirates.

A dead Loggerhead turtle - possibly caught as by-catch- washed up dead on the beach. Loggerhead populations are in decline in the North Pacific Ocean.

Blue shark dorsal caught in net.

Basking sharks in nets (rr)

Striped dolphin (Stenella coeruleoalba) washed up dead on a beach. Rows of up to 200 sharp teeth clearly visible. Scilly Isles, UK

Finless porpoise (Neophocaena phocaenoides), died in local fishing nets. Arabian Gulf

Harbour porpoise (Phocoena phocoena). The west coast of Scotland remains a stronghold for the porpoise where it is far less likely to fall victim to fishery bycatch. Hebrides, Scotland

Harbour porpoise (Phocoena phocoena). The west coast of Scotland remains a stronghold for the porpoise where it is far less likely to fall victim to fishery bycatch. Hebrides, Scotland

Striped dolphin (Stenella coeruleoalba) washed up dead on a beach. Scilly Isles, UK

A dead Loggerhead turtle - possibly caught as by-catch - washed up dead on the beach. Loggerhead populations are in deline in the North Pacific Ocean.