BLUE-BOTTLES:The Portuguese man o’ war (Blue Bottle) is composed of three types of medusoids (gonophores, siphosomal nectophores, and vestigial siphosomal nectophores) and four types of polypoids (free gastrozooids, gastrozooids with tentacles, gonozooids, and gonopalpons), grouped into cormidia beneath the pneumatophore, a sail shaped structure filled with gas.The pneumatophore should probably not be considered a polyp, … Continue reading Blue-Bottles what exactly are they?