lake with fishes

animal animalia aquatic bearing beast beastie biology bisk bourn brook brute catch course craniate creature creek critter current dam ectothermic effluent environment escallop eukaryotic fauna fin fish fishery fishing flipper gill heterotrophic hydrodynamic hydrology individual lacustrine lagoon laguna lagune lake loch lochan lough mere metazoa metazoan mill natural nature nonhuman nullah organism pisces pluricellular pond reservoir rill riparian river riverain riverine rivulet runoff scenery slough specie specimen stream vertebrate watercourse waterway weir wight wildlife zoological zoology