pipefish

Any of various slim fishes of the subfamily Syngnathinae chiefly of marine waters, having a tubelike snout and an elongated body encased in bony rings.

One of the several lopho-branehiate fishes which have a long tubular snout like a pipe, as any member of the Syngnathidæ or Hippo-campidæ.

Any lophobranch fish of the genus Siphostoma, or Syngnathus, and allied genera, having a long and very slender angular body, covered with bony plates. The mouth is small, at the end of a long, tubular snout. The male has a pouch on his belly, in which the incubation of the eggs takes place.

a small fish from the seahorse family

fish with long tubular snout and slim body covered with bony plates