intralacustrine

Adjective

 * 1)  Occurring entirely within a certain lake. Usually applied to speciation.
 * 2) * 2016, Lucek, K., Kristjánsson, B. K., Skúlason S., & Seehausen O. Ecosystem size matters: the dimensionality of intralacustrine diversification in Icelandic stickleback is predicted by lake size. Ecology and Evolution, 6(15), 5256–5272