Discover Amazing Marine Life

Your complete guide to ocean animals — from the mighty blue whale to tiny coral polyps. Explore habitats, diets, fun facts and more.

3,000+Species
HDPhotos & AI Art
GlobalDistribution Maps

Mission Control

Pick a depth, scan a habitat and meet one animal before browsing the encyclopedia.

Dive depth

Light Zone Preview

Move the slider to preview a depth zone.

Habitat scan

Where should we look?

Select a habitat for a field note.

Crew briefing

Loading animal...

A rotating animal from the current guide.

Featured Ocean Animals

Explore our growing encyclopedia of marine species

Browse by Category

Find animals by their biological group

About Ocean Animals

We document every known marine species with scientific names, habitats, diets, lifespans, size data, fun facts, distribution maps and FAQs. Images sourced from AI generation, Wikimedia Commons, Unsplash, NASA and NOAA.

New: Ocean Expedition Lab

Plan a virtual dive, build a food web, check reef health and practice safer wildlife encounters.

Open the expedition tools

Includes depth zones, food-chain paths, animal encounter briefings, reef scoring, conservation actions and a quiz.

Latest Guides

Fresh reading for visitors who want more than quick facts.