Sea Fan

Gorgonia sp.

Habitat & Distribution: Indo-Pacific

Diet : Plankton

Size: Maximum Height: Up to 60 cm

Lifespan: 5 - 10 years

Description

Gorgonia species, commonly known as sea fans, are sessile, colonial soft corals characterized by their intricate, tree-like structures and vibrant, often purple, yellow, or red, colors. They belong to the subclass Octocorallia, meaning each individual polyp has eight tentacles.

Behavior

Gorgonians, commonly known as sea fans or sea whips, are colonial octocorals found worldwide, characterized by their flexible, tree-like, or fan-shaped structures. Their behavior is defined by their role as passive suspension feeders that depend on water currents to bring food to their polyps 

Reproduction

Gorgonian corals (sea fans and sea whips) reproduce through both sexual and asexual methods.  Most Gorgonia species are gonochoristic (separate sexes) and release eggs and sperm directly into the water column, where fertilization occurs. Fragments (typically the top few centimeters of a branch) can break off, attach to the sea floor, and develop into a new clonal colony.

Communication & Perception

Gorgonian species (soft corals/sea fans) lack specialized sensory organs and brains, relying instead on decentralized nerve nets to perceive their environment and communicate within the colony. They detect environmental cues such as light, water flow, and chemical signals to regulate feeding, breeding, and defense

Predators

gastropods (snails), nudibranchs, and certain fish