Ophioplocus imbricatus

Ophioplocus imbricatus is a small brittle star that typically reaches a maximum size of 2.3 cm in disc diameter. It can be identified by its unique morphology, which features a central disc with long, slender arms that are characteristic of the Ophiuroidea class. This species is often found in shallow environments, primarily within the Indo-West Pacific region, particularly in the South China Sea. It inhabits benthic zones at depths ranging from 0 to 30 meters, making it accessible to divers exploring coral reefs and sandy bottoms. The habitat often includes areas with rubble and seagrass beds, where it can be well camouflaged against the substrate.  Feeding primarily on small invertebrates and detritus, Ophioplocus imbricatus utilizes its arms to capture food particles from the surrounding environment. The reproductive strategy of this species involves external fertilization, with individuals being mostly gonochoric. Brooding is common, as embryos develop within bursal chambers before hatching into free-swimming larvae, which eventually settle on the ocean floor to mature into adults. Encounters with this species during dives can be subtle, as they often blend into their surroundings, requiring keen observation to spot them among the rubble and seagrass.  The conservation status of Ophioplocus imbricatus has not been evaluated by the IUCN, indicating a lack of specific data on its population trends and threats. However, its distribution in the Indo-West Pacific suggests that it may be relatively common in its preferred habitats.