Myctophid (Myctophidae) Abundance and Ecology in the Gulf of Alaska in Winter

Russian Journal of Marine Biology - The distribution and abundance of four common myctophid fish species in the upper epipelagic layer of the northeastern North Pacific in winter were analyzed...     

Finding of Amur sculpin <Emphasis Type="Italic">Mesocottus haitej</Emphasis> and <Emphasis Type="Italic">Cottus szanaga</Emphasis> (Cottidae) in Tugur River basin (Khabarovsk krai,Russia)

The first official finding of the Amur sculpin Mesocottus haitej and Cottus szanaga is reported for the basin of Tugur River (Shantarsky zoogeographical region). Previously, these species were known for this region from the literature only.     

A Method for Differentiating between the Migrating Population Complexes of Sea of Okhotsk Pink Salmon in Pacific Waters off the Kuril Islands Based on the Gonadosomatic Index

Russian Journal of Marine Biology - An original method is proposed for rapidly differentiating between regional pink salmon runs with different timings of spawning and states of gonads...