Silurus glanis -- Spain  

Monster Fish Alien Catfish

Zeb travels to Spain in search of the invasive wels catfish – a monster fish capable of growing over eight feet long. Biologists fear this voracious predator could be destroying the local ecosystem.
  • 2010
  • 00:47:02
  • 13-14
  • Added on: 01/11/2016

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