Dolphin meat 'cheap alternative' to other shark bait

Slaughtering dolphins at sea is a cheaper alternative to other forms of bait for sharks, and the method of killing, harpooning, means that the dolphin can bleed for up to 15 minutes. The blood of the dolphin, then attracts sharks.

The blood from the harpooning of the dolphin attracts sharks. Credit: Jim Wickens/Ecostorm/ITV News

Watch: Illegal slaughter of dolphins for shark bait filmed

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Dolphins killed for shark bait

ITV News has obtained footage of dolphins being harpooned hundreds of miles off the coast of Peru and used for bait to hunt sharks. The footage is the first time this secret hunting - that scientists have warned about for years - has been filmed.