Hemigrammus rhodostomus (紅吻半線脂鯉) is a species of ray-finned fishes in the family tetras. They are associated with freshwater habitat. Individuals can grow to 5.0 cm.
Comment: "Large" is ambiguous. For details on "Large rivers" (e.g. the Mekong river) see http://worldwildlife.org/biomes/large-river-ecosystems This class will be replaced with a less ambiguous class.
Definition: length from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body
