ECU of fine toothed rasps. UNDERWATER CU of yellow rockgrazer cichlid grazing algae. ECU of interlocking spiked teeth (barracuda cichlid). UNDERWATER CU of barracuda cichlid. ECU of miniature chisel teeth (goby cichlid). UNDERWATER MS of goby cichlid eating. ECU of spine teeth (mackerel cichlid). UNDERWATER MS of mackerel cichlid swimming. ECU of cichlid tooth. UNDERWATER MLS MS CU of zebra cichlid grazing scales off others. (609)