Paracondylactis sinensis Carlgren, 1934 (Actiniidae, Actiniaria) is Puzzle Necklace an edible sea anemone in China.Their wild population has intensively decreased in recent years due to overharvesting.In this study, the complete mitochondrial genome of this economic species collected in the coast of Zhejiang, China is sequenced and obtained using h

Commercial landings of starry smooth-hound Mustelus asterias in northern European seas are increasing, whilst our knowledge of their ecology, behaviour and population structure remains limited.M.asterias is a widely distributed demersal shark, occupying the waters of the Pre-Production southern North Sea and Irish Sea in the north, to at least the

The article researches fatness of grey mullets during their reproductive cycle.It was established that in spring fat depot is practically absent in grey mullets body-cavity.In summer accumulation of energy substances takes place.In August most of the examined fish had fatness of 2-3 mens tee points, but in September the number of fish with minimal