upside-down catfish

 

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upside-down catfish

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upside-down catfish (plural upside-down catfish or upside-down catfishes)

1. Any of various freshwater catfish that swim upside-down, such as Synodontis decorus, Synodontis multipunctatus, and especially Synodontis nigriventris
   • 1963, Derek McInerny, Geoffrey Gerard, “Synodontidæ”, in All About Tropical Fish, new edition, London: George G. Harrap & Co. Ltd, →OCLC, page 359:

     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.

   • 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:

     Upside-down catfish are delightful aquarium pets. They eat any foods offered to them, and they are generally peaceful.