Neil Aldridge / Nile crocodile (Crocodylus niloticus) snatching a Mozambique tilapia (Oreochromis mossambicus) in its jaws, Shingwedzi River, Kruger National Park, South Africa.

Michel Roggo / Underwater view of Wadi Al Arbiyeen With Tilapia, probably Nile Tilapia (Oreochromis niloticus) Muscat Governorate, Sultanate of Oman. February. Photographed for The Freshwater Project

Michel Roggo / Underwater view of Wadi Al Arbiyeen With Tilapia, probably Nile Tilapia (Oreochromis niloticus) Muscat Governorate, Sultanate of Oman. February. Photographed for The Freshwater Project

Hanne & Jens Eriksen / Tilapia fish (Oreochromis) in lake, Green Mubazzarah Park, Jebel Hafeet, Al Ain, UAE, September 2009.