Stickleback fish

A mostly blue fish with a bright red throat. Meet your typical stickleback dad. My research is based on understanding how genes contribute to his behavior.

You can tell this is a male ready to become a dad because of his blue color and the red-orange color under his throat. Its only during the summer breeding season that he will look like this. Not all males will color up this brightly as it depends on a number of factors including the amount of light and the surrounding environment (gravel color). This particular male has improvised a nest out of small pebbles in his tank that you can see to the right of the plant. Normally, stickleback fish use algae and sand to build nests, but he wasn’t given any.

Continue reading