Franco Banfi / Freshwater fish including Cichlid between water plants and leaves. Cenote Nicte-Ha, near Tulum, Quintana Roo, Yucatan Peninsula, Mexico.

Franco Banfi / Freshwater fish including Mayan cichlids (Mayaheros urophthalmus) between aquatic plants and leaves, Cenote Nicte-Ha, near Tulum, Quintana Roo, Yucatan Peninsula, Mexico. MontPhoto Competition 2023 -...

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

Juan Manuel Borrero / Pearl cichlid (Geophagus brasiliensis) captive, occurs in Brazil and Uruguay.

Juan Manuel Borrero / Oscar (Astronotus ocellatus) captive, occurs in South America.

Scott Leslie / Osprey (Pandion haliaetus) carrying Marble Cichlid (Astronotus ocellatus) prey, Viera Wetlands, Florida

Pete Oxford / Butterfly peacock bass (Cichla ocellaris) in permanent freshwater pond, savannah, Rupununi, Guyana

Gary Bell/ Oceanwide / Royal Angelfish (Pygoplites diacanthus), Christmas Island, Australia

Emanuele Biggi / Ram cichlid (Mikrogeophagus ramirezi) male fish with iridescent scales guarding eggs . Captive, endemic to the Orinoco River basin in Venezuela and Colombia.

Emanuele Biggi / Ram cichlid (Mikrogeophagus ramirezi) male fish with iridescent scales guarding eggs . Captive, endemic to the Orinoco River basin in Venezuela and Colombia.

Michel Roggo / Cichlid fish (Geophagus sp) and Water hyacinth (Eichhornia sp.) in a clear stream of the Pantanal, Brazil. Photographed for The Freshwater Project

Michel Roggo / Cichlids (Cichlidae) in Lake Malawi, Malawi. Photographed for The Freshwater Project