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n. Any of various chiefly tropical marine fishes of the family Balistidae, related to and resembling the triggerfishes, with a flat body and rough spiny scales.

n. Any fish of the family Monacanthidae, with very slender bodies.

n. Any plectognath fish of the genera Monacanthus, Alutera, balistes, and allied genera; -- so called on account of the roughly granulated skin, which is sometimes used in place of sandpaper.

n. Any plectognathous fish of the family Balistidæ: so called from the roughly granular skin.

n. narrow flattened warm-water fishes with leathery skin and a long file-like dorsal spine

"Some were truly incredible — from the impossibly tiny-mouthed filefish (No. 32), to the blue parrotfish (No. 35) that looked like wet sapphire, to the 2-foot-long remora (No. 34) that Adler insisted could adhere to my belly and hang there (it did, and the sensation was like having a vacuum-cleaner hose with a thousand tiny needles at its end stuck to your skin)."

filefishes   

foolfish