"Displacement volume of Siphonophora (ITIS: 51268: WoRMS 254409) per unit volume of the water body"@en . "accepted"@en . . "DispVol_BE005159" . "SDN:P01::NDSPVL09" . . . . "The body volume of the specified taxon in a given volume of any body of fresh or salt water"@en . . . . . . . . . . . . .