These fish could be categorized into four types,including 4 species of estuarine fishes,3 species of marine fishes,4 species of diadromous fishes and 8 species of freshwater fishes.
102 species and subspecies of fresh water fish have been identified,belonging to 9 orders,17 families and 65 general,accounting for 89 % of all the fresh water fish species of Shandong province.
These fish could be categorized into four types,including 4 species of estuarine fishes,3 species of marine fishes,4 species of diadromous fishes and 8 species of freshwater fishes.
102 species and subspecies of fresh water fish have been identified,belonging to 9 orders,17 families and 65 general,accounting for 89 % of all the fresh water fish species of Shandong province.
Some patterns of age and geographical variation in fecundity indices were analyzed in three freshwater fishes (river perch, bream, and Sevan khramulya).
Published data on the taxonomic composition of the intestinal bacterial flora in fishes living under different conditions (marine and freshwater fishes) and differing in the type of feeding are reviewed.
According to the three-dimensional contour maps showing the gel-forming properties of surimi derived from freshwater fish, 8 species of surimi were classified into two types.
The marine fish meat gels and the freshwater fish meat gels have the same acceptability for inland Chinese according to the sensory evaluation results.
A histochemical study of the oogenesis of two species of fresh water fishes, Channa maruleus and Heteropneustes fossilis, was undertaken to reveal the origin, structure, histochemical nature, and function of the so-called yolk-nucleus.
The major management inputs of modern fresh water fish farming are expensive feeding, veterinary care, control of predators, organic and chemical fertilizers that enrich the production of natural fish food, water circulation and aeration.
Epithelial prints of this type were investigated in 43 species of fresh water fish (Cichlidae, Characidae) and marine fish (Serranidae, Apogonidae, Sparidae, Scorpaenidae, Pomacentridae, Girellidae, Gobiidae) of America, Africa, and Asia.