shallow reefs
Near-surface coral formations
Shallow reefs are coral or rock formations in relatively shallow water, typically close enough to the surface for sunlight to penetrate.
They support diverse marine ecosystems and are popular for snorkeling and diving: The shallow reefs teemed with colorful fish.
Shallow reefs are particularly vulnerable to warming seas, pollution, and physical damage from boats and anchors.
- fishGilled aquatic vertebrate
- algaePrimitive aquatic photosynthesizers
- coralMarine skeletal formation
- brain coralRidged colonial sea animal
- crabPincer-bearing shellfish
snorkeling · wave action · parrotfish · limestone · sponge · water temperature · lagoon · urchin · scuba diving · tide pools · low tide · tidal patterns · seagrass · wading · marine life · tropical fish · turbidity · atoll
- reefsatolls
- diving spotsdive sites, night dives, shipwrecks, wrecks, cenotes
shallow reefsocean trenches
Deepest seafloor depressions
deep sea · deep water · ocean depths · the deep · midnight zone
shallow, shallows, shallower, shallowest, shallowly, shallowness, reef, reefs