Abstract
Astyanax mexicanus is an emerging model system used to study development, evolution, and behavior of multiple cavefish populations that have repeatedly evolved from conspecific surface fish. Although surface and cavefish live and breed in the laboratory, there are no rapid methods for distinguishing between different cavefish populations. We present 2 methods for genotyping fish for a total of 16 population-specific markers using methods that are easy and inexpensive to implement in a basic molecular biology laboratory. This resource will help researchers maintain independent stocks within the laboratory and distinguish between fish from different populations.
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