Histochemical characterization of myotomal muscle of five teleost species

  • Gill H
  • Weatherley A
  • Lee R
 et al. 
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A histochemical study was performed on the myotomal musculature of five teleost fish from four families (longnose dace, Rhinichthyes cataractae ; bluegill, Lepomis macrochirus ; smallmouth bass, Micropterus dolomieui ; yellow perch, Percan flavescens ; lake whitefish, Coregonus clupeaformis ). Three main types of fibre (red, pink, white) were distinguished in these species on the basis of relative activities of actomyosin adenosine triphosphatase (ATPase) and NADH diaphorase. White muscle formed the bulk of the myotomal musculature. Among the present sp., the somewhat greater amount of red muscle in yellow perch may be related to the free-cruising sometimes associated with that species, compared to the more desultory activity of the other 4. The amount of red muscle relative to white is appreciably greater in all 5 sp. than that revealed in 2 esocid sp. in an earlier study; the latter are "ambush predators" that swim very rapidly towards prey

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  • H. S. Gill

  • A. H. Weatherley

  • R. Lee

  • D. Legere

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