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Monsters of the Nile

Aquatic ecologist Zeb Hogan fishes for Nile perch at the base of the Murchison Falls. The waterfall once formed an impassible barrier that kept Nile fish from traveling just a few hundred kilometers upstream into Lake Victoria, the source of the Nile, but the fish were introduced into the lake in the 1950s.

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NGC follows aquatic ecologist Zeb Hogan in his search for the Nile perch - Africa's voracious monster fish that can reach six feet and grow to over 400 pounds. Zeb comes face to face with this giant aquatic predator as it competes with 15-foot crocs and giant catfish. Later, he investigates the stories he's heard that this fish - and the people who depend on it - could be in trouble.