Abstract
The present paper contains an introductory notes on Lake Suwa, Nagano Pre fecture, Japan, with a brief history of the study on the fishes of this lake, from 1909 to the most recent (1956), and a complete list of the fishes of Lake Suwa (32 species and subspecies, including 5 new additions), found in the lake itself, in addition to a note on the African Tilapia sp. and Entosphenus reissneri in the Cyclostomata.
The mark * indicates the occurrence of the introduced forms (9 in number) found in the lake itself.
