Lake Sentani is a fairly large and fertile lake in the Jayapura Regency, Papua Province, with awater area of around 9,360 ha, an average depth of around 52 m. The source of the lake'swater comes from 14 large and small rivers and there is only one estuary, namely the DjaifuriRiver which is located to the east (Puay Region). Then it joins the Tami River and finallyempties into the Pacific Ocean. Lake Sentani is rich in aquatic resources and is a habitat forvarious fish species, however, information about the types of fish in the area is still limited. Tofind out the types of fish that exist and live in the waters of Lake Semtani, research has beencarried out which will take place in October - December 2022, at Yoboy Village, SentaniDistrict, Jayapura Regency. The method used in this research is a survey method. Fishsampling was carried out by catching fish using fishing gear, nets and fishing rods. The fishsamples are then taken to the laboratory and identified. Based on the research results, a totalof 22 fish species were found which were grouped into 8 orders, 13 families, 20 genera, 22species. Water quality conditions are still within the normal range for fish life, namely: pHranges between 7 – 7.5; brightness 30 - 50 cm and 29 ºC – 30 ºC. temperature 29.3°C.
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