Saturday - 5/10 - Seining the Lagoon - Wading in the Intracoastal Waterway just behind Gumbo Limbo, catch (and release) fish, shrimp, crabs and more. Closed toed shoes required (old sneakers or water shoes; no sandals). Bring a change of clothes and towel. Ages 10-adult; children under 18 must sign up and participate with an adult. Gumbo Limbo Nature Center, 1801 N. Ocean Blvd., Boca Raton. Held again 5/13. 1:30-3 pm. Member $5; Non-member $8. 544-8605.