Small European Locust Lobster

Overview

The Small European Locust Lobster is a distinctive crustacean found throughout the Mediterranean Sea and the eastern Atlantic Ocean. Often observed by divers, this solitary species is known for its secretive nature and preference for rocky environments. It is generally considered a species of least concern, as it is too small to be of significant commercial interest.

Appearance

This lobster is characterized by its brownish-red carapace, which features a triple-keeled structure and white spines. Its most notable feature is its antennae, which have evolved into flattened, spatula-like extensions with rounded, crenulated edges. The body displays brighter areas between segments, and the legs are typically marked with distinct blue rings. The abdominal segments are rounded and lack spines, often showing three broad, transverse red bands on the dorsal side.

Distribution & habitat

This species inhabits the eastern Atlantic from the English Channel down to the Canary Islands, Madeira, and the Azores, as well as most of the Mediterranean Sea. It favors rocky bottoms, caves, and crevices, and is frequently found within Posidonia seagrass meadows. While it can be found at varying depths, it is most commonly encountered between the surface and 50 meters.

Biology & behavior

Primarily nocturnal, the Small European Locust Lobster spends its daylight hours hiding in dark crevices or under rocks to avoid predators. It is a shy, fearful animal that will retreat quickly if disturbed. The species maintains a continuous reproductive cycle, with females capable of spawning multiple times throughout the year. Like other slipper lobsters, it undergoes a unique, long-lasting larval phase known as a phyllosoma, which allows for wide dispersal across ocean currents.