Photographic record of the Tremoctopus violaceus specimen (135 mm ML) in natural environment highlighting relevant characters for its taxonomic determination A ventral water pore B–D web of dorsal arms coiled on the ventral side and deployed when female was feeling threatened E egg mass F web displaying an iridescent greenish glow and a reddish brown color G–I evidence of autotomy: segments detached from interbrachial membrane showing slender arm, part of the connective tissue, circulatory system and chromatophores pattern characteristic of the species.