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A colorful fish species that plays a key role in bioerosion and helps to prevent algal overgrowth on corals.

A coral-like organism that can cause painful stings, it is actually more closely related to jellyfish and anemones.

A small, brightly colored fish known for its mutualistic relationship with sea anemones.

Small, anemone-like organisms that make up corals and secrete calcium carbonate to form the reef structure.

A phenomenon where coral polyps expel their zooxanthellae due to stress, causing the coral to turn white and making it more vulnerable to disease and death.

A critically endangered branching coral that is a major reef builder in the Caribbean.

A large crustacean found in coral reef ecosystems that lacks large pinching claws but is important as both a predator and prey species.

A type of branching coral that serves as an important habitat for reef fish and invertebrates.

A type of soft coral that filters plankton from the water and provides habitat for many small marine organisms.

A small crustacean that removes parasites and dead skin from fish, contributing to the health of reef fish populations.

Trees that grow in coastal saline water, providing important nursery habitats for many fish species and helping to protect shorelines from erosion.

A reef fish species important for algae control and known for its bright blue coloration.

A massive coral known for its grooved surface resembling a brain, which contributes to the structural complexity of the reef.

Symbiotic algae living within coral tissues that provide essential nutrients to the corals through photosynthesis.