Euprymna berryiis commonly referred to as Berry's Bobtail Squid, Humming-bird bobtail squid. Difficulty in the aquarium: Animale non indicato per i neofiti. A aquarium size of at least 150 Liter is recommended. Toxicity: Toxic hazard unknown.
Small bobtail squid, spherical body, 2 large rounded fins at the poterior end. Large eyes. A layer of iridescent cells gives to the animal a typical blue green, changing colour. A light organ exist on the belly, that hosts bioluminescnt bacteria. This species is nocturnal.