Sucker (zoology)
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A sucker in zoology is a specialised attachment organ of an animal. It acts as an adhesion device in parasitic worms, several flatworms, cephalopods, certain fishes, amphibians, and bats. It is a musc
Scolex of Taenia solium with four suckers and two rows of hooks
A medicinal leech with its oral sucker
An octopus displaying its suckers
Eumicrotremus phrynoides and Eumicrotremus orbis – lumpsuckers demonstrating adhesive pelvic discs.
Parasitism
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Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of li
Sucker (zoology)
…substrate. In parasitic annelids, flatworms and roundworms, suckers are the organs of attachment to the host tissues. In tapeworms and flukes, they are a parasitic adaptation for attachment on the internal tissues of the host, such as intestines and blood vessels. In roundworms and flatworms they serve as attachment…
A fish parasite, the isopod Cymothoa exigua, replacing the tongue of a Lithognathus
The parasitic castrator Sacculina carcini (highlighted) attached to its crab host
Human head-lice are directly transmitted obligate ectoparasites