Sure enough, they found several unfamiliar-looking killifish, according to a study ... the new species has an annual life ...

This very short life cycle makes these animals ideal for a ... removing germ cells affected the lifespan of male and female ...

Since it is difficult to conduct experiments on animals with long life spans, the scientists studied the turquoise killifish. These fish inhabit arid regions of Africa, are about 4 centimeters ...