MCU MS of male cichlid courting female hiding in shell. UNDERWATER MS of male cichlid picking up/depositing shell. UNDERWATER MS of female cichlid being escorted by male to shells. UNDERWATER MS of male cichlid raiding nearby shell nest, repeats. UNDERWATER MS MCU of water cobra raiding cichlid shells. UNDERWATER MCU CU of cichlids darting in shells from cobra. UNDERWATER MCU CU of cichlid being attacked by water cobra. UNDERWATER MS of water cobra hunting shells. UNDERWATER MCU of water cobra attacking shell, dragging fish out, eating it. MS of water cobra swimming along lakebed. UNDERWATER MLS of cichlid shell nest in rocks, male cichlid fighting off competitors. (609)