BlueDepth

Discover 30+ ocean creatures with concise descriptions and habitats.

BlueDepth is a calm, offline field guide for anyone curious about the ocean. Browse a hand-picked library of marine species from playful reef fish to giants of the deep, each with concise descriptions, natural habitats, and conservation status. Every entry is written to be short and readable, so you can learn something new in a minute or dive deeper when you have the time. Save favourites for offline reading, filter by ocean zone, and enjoy a distraction-free reading mode with no accounts, no ads, and no clutter. Whether you are planning a snorkel trip, studying for a quiz, or simply love the sea, BlueDepth keeps the ocean one tap away.