: "SPC Identification guide to common coastal reef fishes and invertebrates of the Pacific Islands PDF"

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: Specialized skin cells that allow them to change color, texture, and pattern in milliseconds to blend seamlessly into the reef background. 3. Invertebrates: Phylum Arthropoda

: Sea stars (like the destructive Crown-of-Thorns), sea cucumbers, and feather stars (crinoids). 🦈 Elasmobranchs (Sharks and Rays)