ScubaHankNYC | Underwater Cinematographer and Dive Reviews·Feb 25, 2026 Pilsbry’s Headshield Slug: The Black & White Sea Slug That’s Not a Nudibranch
<p>The Pilsbry's Headshield Slug, Tubulophilinopsis pilsbryi, is often misidentified as a nudibranch but belongs to the Cephalaspidea order. This carnivorous sea slug uses its broad head shield to hunt prey in sandy sediments. Found in the Indo-Pacific, it's distinguished by its variable black and white coloration, making sightings rare and exciting.</p>
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