Explore the Wonders of Marine Life
Discover 2,000+ marine species, use our interactive aquarium tools, find sustainable seafood, and explore dive sites worldwide.
2,000+
Marine Species
1,000+
Dive Sites
50K+
Monthly Visitors
500+
Expert Articles
Interactive Ocean Tools
Free tools to help you make informed decisions about aquariums, seafood, and ocean exploration.
Fish Compatibility Checker
Find out which fish can live together in your aquarium
Tank Size Calculator
Calculate the right tank size for your fish collection
Seafood Sustainability Checker
Make informed choices about sustainable seafood
Dive Site Finder
Discover amazing dive sites around the world
Featured Species
Discover fascinating marine creatures from around the world.
Fish Care Guides
Expert guides for keeping your fish healthy and thriving.
Complete Betta Fish Care Guide
Learn everything about betta fish care including tank setup, feeding schedule, water parameters, common diseases, and tank mates. Expert guide for beginners.
Complete Goldfish Care Guide
Everything you need to know about goldfish care. Learn proper tank size, feeding, water parameters, and how to keep your goldfish healthy for 10-15 years.
Complete Guppy Care Guide
Learn how to care for guppy fish including tank setup, breeding tips, feeding, water parameters, and disease prevention. Perfect guide for beginners.
Complete Neon Tetra Care Guide
Master neon tetra care with our complete guide covering tank setup, schooling requirements, feeding, water parameters, and disease prevention.
Popular Marine Life Articles
Fascinating facts about whales, sharks, and ocean creatures.
whaleBlue Whale Size Comparison: Discover How Big They Really Are
Discover the incredible size of blue whales compared to humans, buses, and other animals. The largest animal ever to exist on Earth can reach 100 feet long.
whaleHow Smart Are Beluga Whales? The Scientific Evidence
Discover the remarkable intelligence of beluga whales. Learn about their problem-solving abilities, communication skills, and why they are called the canaries of the sea.
comparisonWhale Shark vs Blue Whale: Giants of the Ocean Compared
Compare the whale shark and blue whale - the largest fish and largest mammal on Earth. Discover their differences in size, diet, behavior, and habitat.
marine mammalOrca Eyes: Understanding Killer Whale Vision
Discover the fascinating world of orca vision. Learn about their eye anatomy, how they see underwater and above water, and the purpose of their distinctive eye patches.
Popular Fish Compatibility Guides
Can these fish live together? Find out with our expert compatibility analysis.
Explore by Category
Browse our comprehensive marine life database organized by category.
Is Your Seafood Sustainable?
Use our Seafood Checker to find out if your favorite fish is sustainably sourced. Get mercury levels, eco-ratings, and better alternatives.
Wild Alaska Salmon
Best Choice
Atlantic Cod
Good Alternative
Pacific Sardines
Best Choice
Low Mercury
Safe for all
Trusted Data Sources
FishBase
Species Data
IUCN
Conservation Status
NOAA
Ocean Data
Seafood Watch
Sustainability Ratings
FDA
Mercury Levels