Mediterranean Sea Finger

Overview

The Mediterranean Sea Finger is a colonial soft coral frequently found in rocky, shaded environments throughout the Mediterranean Sea. It is a common species that plays a significant role in structuring benthic communities, often forming dense aggregations on hard substrates.

Appearance

This species forms fleshy, finger-like lobes that can reach up to 20 cm in height. Its coloration is highly variable, ranging from pale yellow and pink to orange, brown, or deep wine-red. The surface of the colony is covered in small, whitish polyps that extend to feed; when the colony is disturbed or retracted, these polyps disappear, leaving a uniform, fleshy mass.

Distribution & habitat

Primarily endemic to the Mediterranean, the species is also found in small numbers along the Atlantic coasts of Portugal and Spain. It is a sciophilous (shade-loving) organism, typically inhabiting rocky walls, overhangs, and cave entrances where it avoids direct sunlight. It is most abundant in circalittoral zones, often thriving alongside other suspension feeders like sponges and anemones.

Biology & behavior

Like other soft corals, this species relies on a hydrostatic skeleton to maintain its structure. It is a slow-growing animal that can be sensitive to environmental shifts, including marine heatwaves. When extended, its polyps feature eight tentacles, which are used to capture nutrients from the water column.