Painted Wentletrap

Epitonium tinctum

Epitonium tinctum is a small marine gastropod that typically reaches a maximum length of 1.5 cm. Its shell is characterized by a distinctive spiral shape and a smooth surface, often displaying subtle color patterns that help distinguish it from similar species. Divers can identify it by its unique form and coloration, which sets it apart from other gastropods in its habitat. This species inhabits the Northeast Pacific, ranging from Alaska to Mexico, and is usually found in temperate waters. Epitonium tinctum prefers benthic environments, residing at depths between 0 and 45 meters, with most occurrences recorded shallower than 40 meters. It is often associated with sea anemones, particularly Anthopleura elegantissima and A. xanthogrammica, where it typically feeds. Epitonium tinctum exhibits a burrowing behavior, often hiding in sand when exposed to low tide. The species is gonochoric and engages in broadcast spawning, with embryos developing into planktonic trocophore larvae before transitioning into juvenile veligers. Encounters with this species during dives can be intriguing, as they may be spotted among their anemone hosts, where they can blend in with the environment. The conservation status of Epitonium tinctum is not evaluated, indicating that there is limited information regarding its population status in the wild.