Although my name suggests a "fat head", rather it is my body which is pretty chunky! My color ranges from beige, brown, golden or gray.
Our breeding season occurs from spring to summer. The male builds a nest tucked under a rock or branch, at the bottom of the water. Once the eggs fertilized, the male protects the nest against predators. We are very protective small little fish!
We are very common in Québec, even abundant in some areas. We are very tolerant to changes in our habitat, but be aware that we have a slight competitive side when we are in the presence of other species ...
6 to 8 cm
Bogs, beaver ponds, standing water or very small currents
Plankton, algae, insects and other invertebrates