The finless porpoise is currently considered to be an endangered species only in China. Their main threats are habit degradation, being caught in fishing nets, and enduring the after-effects of dredging lakes. Pollution has also been considered a dangerous threat, as are boat accidents. Hunting the porpoises has never been popular, as most have an aversion to eating the rare species, but when they are accidentally killed by becoming entangled in nets, or as byproducts of illegal electric fishing, they are sometimes sold as food.
via BBC Earth News