also swim (rather than crawl) away, using their broad wing-like flaps or parapodia. The ink is extracted from their algal food, rather than being synthesized
本物種終其一生均在浮游生物界生活(holopelagic)。 美國動物學家埃德蒙·牛頓·哈維(Edmond Newton Harvey)留意到本屬物種的疣足(parapodia)會發出黃色的生物光(bioluminescence)。在海洋生物中,黃色的生物光很少見。事實上,浮游生物有不少物種均會發出生物光。然而,浮