“…Lake Naivasha can be described as a “hotspot” of allodiversity (taxa imported into a given area by humans) and its associated impacts (Gherardi et al., ; Harper, Morrison, Macharia, Mavuti, & Upton, ; Litterick, Gaudet, Kalff, & Melack, ; Muchiri & Hickley, ; Oyugi, Harper, Ntiba, Kisia, & Britton, ). In addition to being the only freshwater lake without surficial outlets, one of the most unique features of Lake Naivasha is its changing ecology and fish species composition over the years (Aloo, Oyugi, Morara, & Owuor, ; Britton & Harper, ; Gherardi et al., ; Hickley, Muchiri, Britton, & Boar, ; Hickley et al., ; Kundu, Aura, Muchiri, Njiru, & Ojuok, ).…”