This bestselling guidebook for marine lovers contains more than 525 of the most common marine species in the Pacific Northwest-fascinating local sponges, jellyfish, crabs, shrimp, barnacles, clams, snails, seals, fish, whales, marine algae and hundreds of other living things that can be observed and identified without being disturbed-conveniently colour-coded for quick reference. This revised third edition includes a unique guide to eggs and egg cases of fishes and invertebrates, as well as a reference for introduced and invasive species. With comprehensive information on the size, range, habitat and behavior of each species and full-colour photographs showing marine life as it appears in the wild, this is the perfect guide for everyone-from the novice beachcomber or weekend naturalist to the expert biologist. From tiny whelks on the beach to great whales in the ocean depths, this is the ultimate marine life reference complied by one of the area's leading marine writers and photographers.