Invertebrates make up the largest percentage of animals in the world-nearly 98% of all living organisms. Yet many people know very little about this massive group of organisms. Learn about some of the common and not-so-common animals that fill our waterways and why some of these animals are important ecologically and commercially.

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Course Pre-requisites
(Membership required. Renew if expiration is prior to end of current registration term) OLLI Annual Membership

This course is not open for registrations.
This course has already occurred and/or is not available for registration until the Summer term opening on Tuesday, May 12 at 10:00 a.m.