Definition of sucking disc in English:

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sucking disc


An animal’s sucker, especially one on the end of each tube foot of an echinoderm.
Example sentences
  • The two main classes are separated on the basis of taxonomic characters of the claws and/or sucking disks, cuticle, cephalic appendages, buccal apparatus, and reproductive structures.
  • The family is similar to Gobiidae but generally lacks the pelvic fin fusion that creates a ‘sucking disc’ in gobies.
  • Attaching themselves to the body of the host by means of the sucking disc which is ringed with sharp teeth, a hole is rasped through the victim's skin, and blood and body fluids are thus consumed.
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