The study, "Variation in thermal tolerance plasticity and the costs of heat exposure in the estuarine sea hare, Phyllaplysia ...

reveals that this small sea slug is both remarkably heat-tolerant and genetically diverse across its wide range — key traits that make it an ideal partner for climate-resilient coastal restoration.

Like many other nudibranchs, the sea swallow harnesses the venom of its prey. But this small slug will also take on colonies of floating cnidarians. This includes the Portuguese man-o-war, an open-sea ...