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Morphology, feeding, and reproduction of the round goby, Neogobius melanostomus (Pallas), in the Danube River basin, Yugoslavia
Simonovic, P.; Paunovic, M.; Popovic, S. (2001). Morphology, feeding, and reproduction of the round goby, Neogobius melanostomus (Pallas), in the Danube River basin, Yugoslavia. J. Great Lakes Res. 27(3): 281-289. hdl.handle.net/10.1016/S0380-1330(01)70643-0
In: Journal of Great Lakes Research. IAGLR/International Association for Great Lakes Research: Buffalo. ISSN 0380-1330, more
Peer reviewed article  

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Keyword
    Fresh water

Authors  Top 
  • Simonovic, P.
  • Paunovic, M.
  • Popovic, S.

Abstract
    The round goby Neogobius melanostomus was the last Ponto-Caspian goby species to enter in the Danube River bordered by Serbia and Yugoslavia. There are five Ponto-Caspian goby species in the waters of Serbia including the sand goby Neogobius fluviatilis, the round goby Neogobius melanostomus, the racer goby Neogobius gymnotrachelus, the bighead goby Neogobius kessleri, and the tubenose goby Proterorhinus marmoratus. The sand, bighead, and tubenose gobies occur along the Yugoslav Danube and in the lower reach of the Danube's tributaries; the racer goby is found both upstream and downstream of the Djerdap II dam; and, the round goby has been collected only downstream of the Djerdap II dam. Investigations on the continuous morphological characters of the round goby revealed neither sexual dimorphism, nor significant differences in adult size-classes, although some suggestions of sexual dimorphism were found in cranial skeletal analyses. Analysis of external continuous characters revealed a west-east cline along the distribution range of the round goby in the Black Sea basin. Molluscivory for the round goby was corroborated along the Danube. Standard length of each age class for the round goby in the Danube was less than populations in the Caspian and Azov seas.

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