Ключевые слова: animal, animals, aqua life, aquaculture, aquarium, aquatic, aquatica, closeup, color, colorful, creature, environment, europe, exotic, hopei, invertebrate, life, living, macro, mariculture, marine, mediterranean, mediterranean sea, micro, natural, nature, nudibranch, one, opisthobranchia, organism, plakobranchoidea, reef, sacoglossan, saltwater, sea, seaslug, slug, small, tank, thuridilla, thuridilla hopei, tropical, under, underwater, underwaterphotography, view, water, white, wildlife,