Siphonophore, Ablya trigona resembles a salp, could be a way to lure unsuspecting salp dwelling animal in for a bite. abylid (probably A. trigona) eudoxoid stage, with bract, gastrozooid, tentacle+tentilla, and several male and female budded gonophore bells...top one is female, bottom one is male, middle ones are still young and budding, ID ADSerrano