Alburnoides oblongus (矩拟白鱼) is a species of ray-finned fishes in the family Leuciscidae. They are associated with freshwater habitat. Individuals can grow to 14.2 cm.
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