. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. 378 BIOLOGY OF THE SEAS OF THE length of 12-5 cm, while the Caspian A. m. p. form reaches 14-0 cm. The Black Sea pipefish {Syngnatus nigrolineatus) reaches 21-5 cm in length, and the Caspian (S. n. caspius)—23-0 cm. The fact that the Baltic herring, acclima- tized in the Aral Sea, is much larger in size than that in the Baltic Sea (more than 20 cm) is most interesting. According to some data, Nereis and some 'i^^ys^^^sss^^^h 'Sf- ?$?'£<??. 10 WINTER TEMPERATURE Fig. 182. Two types offis
. Biology of the seas of the Marine biology -- Soviet Union; Hydrology -- Soviet Union. 378 BIOLOGY OF THE SEAS OF THE length of 12-5 cm, while the Caspian A. m. p. form reaches 14-0 cm. The Black Sea pipefish {Syngnatus nigrolineatus) reaches 21-5 cm in length, and the Caspian (S. n. caspius)—23-0 cm. The fact that the Baltic herring, acclima- tized in the Aral Sea, is much larger in size than that in the Baltic Sea (more than 20 cm) is most interesting. According to some data, Nereis and some 'i^^ys^^^sss^^^h 'Sf- ?$?'£<??. 10 WINTER TEMPERATURE Fig. 182. Two types offish migrations in the Mediterranean, Black and Azov Seas (Zenkevitch). prawns transplanted from the Sea of Azov into the Caspian are also larger in size. It is very curious that a reverse relationship is apparent in the case of bull- heads (Gobiidae)—the majority of them are much smaller in the Caspian Sea. Thus, for example, in the Sea of Azov the largest size of Gobius melanostomus is 23-5 cm, and in the Caspian Sea {affinis form) only 19-6 cm; Proterorhinus marmoratus in the Sea of Azov and Pr. m. nasalis in the Caspian Sea are respectively 11-5 and 7-0 cm in length, etc. Svetovidov explains this difference. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Zenkevich, L. A. (Lev Aleksandrovich), 1889-1970. New York, Interscience Publishers
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