George Sanker / Anhinga (Anhinga anhinga) with large Bluegill Sunfish (Lepomis macrochirus) prey, Everglades National Park, Florida, USA, March.

Alex Mustard / Florida manatee (Trichechus manatus latirostrus) being cleaned by blue gill sunfish (Lepomis macrochirus). Three Sisters Spring, Crystal River, Florida. USA. February 2010

Alex Mustard / Bluegill sunfish (Lepomis macrochirus) sheltering beneath a Florida manatee (Trichechus manatus latirostrus). Crystal River, Florida, USA.

John Cancalosi / Snapping turtle (Chelydra serpentina) and Bluegill (Lepomis macrochirus) fish attempting to feed on algae on turtle's shell. Maryland, USA. August.

John Cancalosi / Snapping turtles (Chelydra serpentina) males attempting to mate with female, with Bluegills (Lepomis macrochirus), Maryland, USA, July.

John Cancalosi / Snapping turtles (Chelydra serpentina) with Red-eared sliders (Pseudemys rubriventris) and River cooter (Pseudemys concinna) and Bluegills (Lepomis macrochirus), Maryland, USA, June.

John Cancalosi / Snapping turtles (Chelydra serpentina) and Bluegills (Lepomis macrochirus) Maryland, USA, June.

Alex Mustard / Florida manatee (Trichechus manatus latirostrus) with Blue gill sunfish (Lepomis macrochirus) cleaning it, in a freshwater spring, beneath trees. Three Sisters Spring, Crystal River, Florida, USA

MYN / Andrew Snyder / Bluegill (Lepomis macrochirus) Elliott, Mississippi, USA, April. Meetyourneighbours.net project

MYN / Andrew Snyder / Bluegill (Lepomis macrochirus) Elliott, Mississippi, USA, April. Meetyourneighbours.net project

Cheryl-Samantha Owen / Bluegill sunfish (Lepomis macrochirus), an alien species, removed from the Oorlogskloof River during the Northern Cape Department of Environmental Affairs (DENC) freshwater fish survey. Oorlogskloof N...

MYN / Krista Schlyer / Bluegill (Lepomis macrochirus), Anacostia watershed, Washington DC, USA, April. Meetyourneighbours.net project.