Where to get it: Reputable dive centers in the Pacific often offer proprietary fish ID guides for download. How to Utilize Your ID Guide Effectively
The Food and Agriculture Organization (FAO) produces the gold standard for regional marine identification. The FAO Species Identification Guide for Fishery Purposes: The Living Marine Resources of the Western Central Pacific is a multi-volume, open-access PDF series covering thousands of species with detailed anatomical line drawings and distribution maps. Reef Environmental Education Foundation (REEF) Where to get it: Reputable dive centers in
Search the author’s name. If they are affiliated with a museum, university, or marine station (e.g., Scripps, James Cook University), the PDF is credible. For example, juvenile sweetlips look and swim entirely
Many reef fish undergo radical color and shape changes as they age. For example, juvenile sweetlips look and swim entirely differently from their adult counterparts. hiding in a crevice
Highly diverse, brightly colored fish that exhibit dramatic color changes between juvenile and adult phases. Invertebrates: Phylum Mollusca
Is the creature hovering, hiding in a crevice, or sifting through sand?