Nudibranchs are a family of opistobranchs (sea slugs) within the phylum Mollusca (molluscs). They are found throughout the world's oceans, but are most abundant in shallow, tropical waters. Their scientific name, Nudibranchia, means naked gills. @Explore Hanimaadhoo Maldives @Visit Maldives @Hanimaadhoodive #hanimaadhoo #hanimaadhoodive