A research on the seasonal occurrence pattern of gobiid fishes was conducted in Shioirino-ike, Hama-rikyu Garden and Takahama Canal, Tokyo Bay. Twelve and seven species occurred in Shioirino-ike and Takahama Canal respectively. Occurrence pattern of both species,
Gymnogobius breunigii and
Mugilogobius abei, suggests that the environment of the Shioirinoike has been better for them to inhabit than that of Takahama Canal. Additionally,
Redigobius bikolanus was first recorded from Tokyo Metropolis.
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