What do snails and fishes do to avoid summer related problems heat and desiccation?

Undergo aestivation Undergo migration Undergo hibernation Suspend

Undergo aestivation

Various organisms, if unable to migrate, might avoid the unfavorable environment by escaping in time. Polar bears go into hibernation during winter seasons to escape extreme cold. Some snails and fish undergo aestivation to avoid summer-related problems like heat and desiccation, etc.