The Invasive of Freshwater Prawn Macrobrachium lanchesteri (De Man, 1911) from Watershed in Palangkaraya University, Kalimantan, Indonesia

Freshwater prawn species Macrobrachium lanchesteri (De Man, 1911) in Kalimantan for the first time was reported to be found only in East Kalimantan and there have been no reports of this species being found in Central Kalimantan. This study aims to reveal the presence of invasive freshwater prawn and habitat characteristics found in the watershed of Palangka Raya University. This study was conducted in October–November 2019 covering five stations. Specimens were collected using a purposive sampling method. Environmental parameter measurements were made including types of substrate, water velocity, tree cover, water depth as well as width. The identification of specimens from the watershed of Palangka Raya University based on morphological characteristics shown that the species very similar to the alien freshwater prawn, M. lanchesteri. Based on the results of research, this report has revealed the presence of this invasive species in Central Kalimantan, Indonesia.