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An invasion of the North Sea by blue-mouth, Helicolenus dactylopterus (Pisces, Scorpaenidae)
Heessen, H.J.L.; Hislop, J.R.G.; Boon, T.W. (1996). An invasion of the North Sea by blue-mouth, Helicolenus dactylopterus (Pisces, Scorpaenidae). ICES J. Mar. Sci./J. Cons. int. Explor. Mer 53(5): 874-877
In: ICES Journal of Marine Science. Academic Press: London. ISSN 1054-3139, more
Peer reviewed article  

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Keywords
    Age; Distribution; Length; Helicolenus dactylopterus (Delaroche, 1809) [WoRMS]; Marine

Authors  Top 
  • Heessen, H.J.L., more
  • Hislop, J.R.G.
  • Boon, T.W.

Abstract
    Blue-mouth (Helicolenus dactylopterus) is one of four species of the Scorpaenidae which may be caught in the North Sea. It is known as a typical deep water fish which lives along the shelf edge. Reports from the North Sea have been rare. An invasion of blue-mouth in the northern North Sea that took place in the winter 1990/91 is described. Blue-mouth have spread over a considerable area since and, recently, catches were even reported from the southern North Sea. Length distributions are given as well as age/length information from fish collected in the North Sea and at Rockall.

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