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Fishing gears kill dolphins and whales
According to Worls Wide Fund for Nature, fishing gear is one of the greatest threats to dolphins and whales.
It is estimated that more than 300,000 whales are killed in fishing gear each year in the world's oceans. Many others are facing the same threat everyday.
Most of them are threatened by the widespread use of one type of fishing gear - gillnets.Thesenetsare diffcult for dolphins and whales to detect, so they may become tangled in the netting or in the ropes attachedtothe nets.Whales need to come to the water surface for air.When they are are caught in fishing fishing nets, they get trapped underwater and finally die.