Category

Marine Life

The ocean is home to extraordinary creatures, and scuba diving opens the door to their world. From majestic whale sharks and graceful manta rays to colorful coral reefs teeming with tropical fish, understanding marine life enhances every dive. Learn to identify species, understand their behavior, and discover where to find them.

Our marine life guides cover everything from sea turtles and sharks to tiny nudibranchs and octopuses. Discover the best seasons to encounter specific species, learn about coral ecosystems, and explore the fascinating relationships between ocean creatures. Whether you’re passionate about shark diving or macro photography, these guides bring the underwater world to life.

Every dive becomes more meaningful when you understand what you’re seeing. Turn encounters into memories by learning about the incredible marine life around you.

👉 Dive into our marine life guides and discover the ocean’s most amazing creatures!

Marine conservation in Costa Rica volunteers protecting sea turtle nest on pristine Costa Rica beach demonstrating environmental protection and sustainable tourism efforts
Learn about marine conservation in Costa Rica and local initiatives are preserving the country's rich underwater ecosystems.
Where to See Dolphins in Costa Rica Pod of wild dolphins jumping and swimming in crystal clear Costa Rican waters with tropical coastline and tourists observing from boat
Discover the best places to see dolphins in Costa Rica with our guide to dolphin-watching in Uvita. Learn about dolphin tours
Green sea turtle swimming in crystal clear Costa Rican waters showing detailed shell and natural underwater behavior
The green turtle is an enchanting creature that resides in the world's oceans. Do you know what are the dangers lurking for the green turtle?
Massive whale shark with distinctive spotted pattern swimming underwater with scuba diver in Costa Rica showing scale of world's largest fish
Whale sharks are fascinating creatures that inhabit the world's oceans. In this article, we will explore interesting facts about whale sharks
Majestic giant manta ray with wings spread wide gliding gracefully underwater with scuba diver below for scale in Costa Rica waters
Manta rays are fascinating creatures that inhabit the world's oceans. What is the life and habits of these animals? All about mantas
Colorful vibrant nudibranch sea slug with intricate patterns and bright colors showing delicate gills in Costa Rica coral reef macro underwater photography
What is Nudibranch? Everything you want to know about nudibranchs and their role in the underwater ecosystem
Inflated pufferfish in defensive posture with spines extended showing natural warning behavior in Costa Rica coral reef waters
Pufferfish, also known as blowfish or fugu, are fascinating creatures that inhabit the world's oceans. Learn more about pufferfish.
Snorkeler having breathtaking underwater encounter with massive humpback whale in crystal clear Costa Rica waters showing scale and peaceful interaction
Swimming with whales is certainly a wonderful thing and an amazing experience. However, is swimming with whales allowed? And if so, what are the safety rules for you and for these large animals? Today we will talk about whales and swimming with them. Encountering whales and other large creatures while swimming is a significant factor...
Close-up of healthy coral reef ecosystem showing diverse hard and soft coral formations with tropical fish in Costa Rica demonstrating reef structure and biodiversity
The coral reef is metropolis of the ocean. How are corals formed? Why are they so important? All about the coral reef
Close-up of blobfish or anglerfish showing bizarre unusual features demonstrating world's ugliest fish in underwater marine biology photography
Which fish can we call the ugliest in the world? I have two candidates here. Blobfish and Goblin Shark. Which one do you choose?