The Collaborative International Dictionary of English v.0.48:

Bellows fish \Bel"lows fish`\ (Zool.)
   A European fish (Centriscus scolopax), distinguished by a
   long tubular snout, like the pipe of a bellows; -- called
   also trumpet fish, and snipe fish.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bellows fish
    n 1: small bottom-dwelling fish of warm seas having a compressed
         body and a long snout with a toothless mouth [syn:
         snipefish, bellows fish]