Help with Tropical Pacific East

Hello Everyone, I just returned from another trip down there...this time to Huatulco, Mexico. Although I have the Humann/DeLoach fish guide for that area, is anyone aware of a reference guide or website to identify "creatures"? I have some great pics of anemones, chitons, slugs, seastars, etc. Thanks in advance, for any information that comes my way. Jeff

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