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

Steven Kazlowski / School of Tilapia (Oreochromis mossambicus) fish swimming in the Salton Sea in winter, Colorado Desert, California

Steven Kazlowski / Black-necked / Eared Grebe (Podiceps nigricollis) with a freshly caught Tilapia (Oreochromis mossambicus) fish in beak, catch in mouth, Salton Sea, Colorado Desert, California

Jane Burton / Mozambique mouthbrooder {Tilapia mossambica} female brooding a clutch of eggs in her mouth, captive, from Mozambique

Jane Burton / Mozambique mouthbrooder {Tilapia mossambica} male guarding nest, captive, from Mozambique

Nature Production / Mozambique Tilapia {Oreochromis mossambicus} raising youngs in its mouth, captive

Nature Production / Mozambique Tilapia raising young in its mouth {Oreochromis mossambicus} captive