Harp seal mothers leave their pups on floating ice for over a month--alone. Guppies may eat their young. Parents in the oceans can be tough on their offspring! This interesting text will grab the attention of animal lovers, who will love learning about the odd adaptations of sea life parents and why scientists think these are ways for the species to survive. The inviting, at-level information complements elementary science curricula, while a motivating design includes fun illustrations and photographs of wildlife in their watery habitats.