diving beetle (graphoderus cinereus)

acilius and animal animals aquarium aquatic around background beatle beautiful beetle beetles biology black blue bright bubble bubbles bug captured carnivorous cinereus coleoptera color colorful detail dive diving entomology fresh freshwater graphoderus green head insect insects interesting isolated lagoon legs lesser life little macro male natural nature orange plump pond predaceous predator sulcatus swimming the under underwater water wildlife with x28 x29 yellow