This is a example of a lake called Dayang bunting lake in my home country of Malaysia. It’s like a lake in an island surrounded by water. The origin is like a limestone place collapsed and rainfall collected creating a humongous lake. The surroundings are very high and unlikely to flood over. And there’s like fish in the lake. How did the fish get in there. With no input of water into the lake
In: Biology
I found the lake you mention in Google Earth. A few things come into mind. You specifically mention limestone. The location and landscape suggest you’re dealing with something called karst topography, created by limestone dissolving. In these settings, bodies of fresh water can be connected by caves. Changes in topography mean that a lake that is isolated today may have been connected to other bodies of water in the past. Even if the surrounding terrain is too high for flooding to cross it, fish and their eggs sometimes get transported by birds.
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