Rubripinnis Kilifish is found in transitory water-filled depressions in coastal Tanzania. These pools can be heavily vegetated and the water depth gradually decreases as the dry season progresses. This beautiful species is an annual killifish, which means it only lives up to a year at most – so the need to reproduce is of high importance. As such, the young fishes develop very quickly in order to fulfil this need (sexual maturity is reached in a matter of weeks), and the resultant eggs are able to survive periods of drought in the substrate, hatching when the rainy season returns and…