Marine Life
Common reef fish that snorkelers often spot
Learn to recognize common reef fish by body shape, mouth, color pattern and behavior, so you can name what you see without touching or chasing it.
The collection
Marine Life
Recognizing the animals and habitats you meet in the water, from reef fish and corals to sponges, stinging creatures and the different life that appears after dark.
Marine Life
How coral reefs are built and who lives on them
Learn how stony coral colonies build reefs, how corals depend on symbiotic algae, which animals share the reef and why reef systems are so easily damaged.
Marine Life
Identifying common sponges and seabed invertebrates
Tell sponges, anemones, sea stars, urchins and other seabed animals apart by body form, texture and location, and learn why these animals should be left untouched.
Marine Life
Recognizing stinging and venomous sea creatures
Learn to spot jellyfish, fire coral, spiny fish, stingrays, urchins and cone snails, plus habits that avoid contact and basic first aid if you are stung.
Marine Life
Watching marine animals without disturbing them
Observe turtles, rays, fish and marine mammals without stressing them by keeping distance, moving slowly, avoiding touch and noticing when an animal is uneasy.
Marine Life
What changes in marine life after dark
Learn which reef animals hide, sleep or come out to feed after sunset, how to use lights gently around them and the basic safety steps for night snorkeling and diving.