COSTA RICA FISH ID – FISH MARINE LIFE GUIDE

Discover the Marine Life of Costa Rica

Welcome to our Costa Rica Fish ID & Marine Life Guide, created to help divers, snorkelers and ocean lovers identify the incredible marine species found along Costa Rica’s Pacific Coast.

The waters of the Gulf of Papagayo, Catalina Islands and Bat Islands are home to an amazing variety of marine life. From colorful reef fish and tiny invertebrates to rays, sea turtles, moray eels, octopuses and sharks, every dive offers the chance to discover something new.

Identify What You Saw Underwater

Have you ever finished a dive wondering, “What fish did I just see?”

Use our marine life guide to identify species you may encounter while scuba diving or snorkeling in Costa Rica. Each species profile provides useful identification and diving information, including:

🔎 Identification – Key characteristics to help recognize the species
📏 Size – Typical and maximum size
🌎 Distribution in Costa Rica – Where the species can be found
🌊 Depth Range – General and commonly observed depths
🪸 Habitat – Reefs, rocky areas, sandy bottoms, open water and more
🍴 Diet – What the species feeds on
🐟 Behavior – Typical behavior and habits
🥚 Reproduction – How the species reproduces
👀 Similar Species – Species that can easily be confused