suctorial

Adapted for sucking or clinging by suction.

Having organs or parts adapted for sucking or clinging.

Adapted for sucking; functioning as a sucker or sucking-organ of any kind: sucking: haustellate.

Capable of sucking; fitted for imbibing fluid or for adhering by means of suckers: provided with a sucking-organ, whether for imbibing or for adhering; of or pertaining to the Suctoria, in any sense.

Adapted for sucking; living by sucking.