Local fish farm or aquarium store. Albacore, also known as long-finned squid, is a fish of the genus Macaus in the family Cyprinidae. It is native to China. If you need to buy it, you can consult the local fish fry farm or aquarium store. The long-finned catmouth is an omnivorous fish that eats a variety of small aquatic organisms, moss, aquatic plants, and food debris.