Observations on the distribution and activities of rockfish, Sebastes spp., in Saanich Inlet, British Columbia, from the Pisces IV submersible

  • Murie D
  • Parkyn D
  • Clapp B
 et al. 
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The distribution and activities of rockfish, Sebastes spp., inhabiting depths between 21 and 150 m in the coastal fjord of Saanich Inlet, British Columbia, were assessed by using the Pisces IV submersible. Quillback rockfish, S. maliger, was the numerically dominant rockfish, attaining a median density of 5.7 fish·l00m-2 between 21 m and 100 m of depth. Copper rockfish, S. caurinus, tiger rockfish, S. nigrocinctus, yellowtail rockfish, S. flavidus, yelloweye rockfish, S. ruberrimus, and greenstriped rockfish, S. elongatus, were all observed in consistently low densities (50%) of rockfish were observed either perched on open substrate, hovering, or swimming. All rockfish species were observed near quillback rockfish (>75% occurrence); and quillback, copper, and yellowtail rockfishes were also found in association with conspecifics.

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  • D. J. Murie

  • D. C. Parkyn

  • B. G. Clapp

  • G. G. Krause

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