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The Siamese Fighting Fish is so aggressive it will fight its own reflection until it is exhausted. Recent research shows that the fighting behaviour varies and depends on the personality of the fish! Male kangaroos were once pitted against humans in the boxing ring – the most impressive male kangaroos are solid blocks of muscle with a kick that can kill. Why do they fight and what skills must a winner have?
First Air Date : Jan 29, 2013
Last Air date : Jun 25, 2017
Episode : 27 Episode
Season : 4 Season
Runtime: 22:14 minutes
Country:
Cast: David Attenborough
Crew:
