upside-down catfish
noun1
Any of various freshwater catfish that swim upside-down, such as Synodontis decorus, Synodontis multipunctatus, and especially Synodontis nigriventris
- Through the advent of air travel the amazing family of upside-down catfishes has been introduced, and is now providing us with several species of amusing and interesting scavengers.1963, Derek McInerny, Geoffrey Gerard, “Synodontidæ”, in All About Tropical Fish, new edition, London: George G. Harrap & Co. Ltd, →OCLC, page 359:
- Upside-down catfish are delightful aquarium pets. They eat any foods offered to them, and they are generally peaceful.1968, Alan Mark Fletcher, “The Upside-down Catfish”, in Unusual Aquarium Fishes, Philadelphia, Pa.; New York, N.Y.: J. B. Lippincott Company, →LCCN, page 43: