“Aquarium After Dark,” an after-dark flashlight tour of Waikiki Aquarium, offers kids a chance to find out whether fish sleep, sea snails snooze or weedy seadragons doze.

A tour is set for 7-9 p.m. Friday. Minimum age 5 years; youngsters must be accompanied by an adult.
For ticket information, visit www.waquarium.org/community-programs.asp