Cephalopod eight or ten. Decapods such as cuttlefish and squid have five pairs. The longer two, termed "tentacles", are actively involved in capturing prey; they can lengthen rapidly (in as little as 15 milliseconds). In giant squid they may reach a length of 8 metres. They may terminate in a broadened, sucker-coated club. The shorter four pairs are termed "arms", and are involved in holding and manipulating the captured organism. They too have suckers, on the side closest to the mouth; these help to hold onto the prey. Octopods only have four pairs of sucker-coated arms, as the name suggests, though
Cephalopod limb infundibulum and acetabulum causes attachment and detachment. Many octopus arm anomalies have been recorded, including a 6-armed octopus (nicknamed Henry the Hexapus), a 7-armed octopus, a 10-armed "Octopus briareus", one with a forked arm tip, octopuses with double or bilateral hectocotylization, and specimens with up to 96 arm branches. Branched arms and other limb abnormalities have also been recorded in cuttlefish, squid, and bobtail squid. Cephalopod limbs and the suckers they bear are shaped in many distinctive ways, and vary considerably between species. Some examples are shown below. For hectocotylized arms see hectocotylus variability. Cephalopod limb All cephalopods possess flexible