barnacle

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barnacle

the common name for any of the CRUSTACEAN class Cirripedia, most of which are SESSILE, grow on rocky substrates, and have a CALCAREOUS outer covering.

barnacle

an adult cirripede that lives attached to fixed objects; an aquatic member of the subclass Cirrepedia of the class Crustacea.
References in periodicals archive ?
Seventeen, then twenty-four, then forty-nine barnacles.
The ability of barnacles to adhere to surfaces that have very different physical and chemical properties is unique and provides insight into the unique physic-chemical properties of their larval adhesive," Mount said.
Single oyster shells covered with barnacles will be referred to hereafter as barnacle substrates.
We aim to sell Barnacles in Middlesbrough very soon and then hope our client will enjoy a long and happy retirement.
Getting a load of barnacles is simple, but you'll have to pick a low tide that exposes barnacles on pilings a couple of feet or more up from the low water line to the high water mark.
Biologists have certainly recognized that barnacles are in a fix: The crustaceans essentially glue themselves head-down in one spot for their entire adult lives, which can last decades.
On the other hand, if significant amounts of pollutants exist in the environment or suddenly release into the environment, barnacles close their shells and prevent pollutants from entering into their body in high levels [13,26,23].
11), (13-18) This testing methodology offers some unique advantages to traditional laboratory evaluation techniques employing barnacles as it (1) allows for experimental coating compositions to be analyzed in as little as 2 weeks time when supplied with an adequate number of adult barnacles, (2) does not require the coatings development team to acquire the expertise needed to culture and maintain larvae or spat, and (3) alleviates the problems associated with the settlement and rearing of cyprids on coating surfaces that exhibit some degree of latent toxicity in a laboratory setting.
balanorum, the shelter of choice is the vacated test of Megabalanus Hoek barnacles, a genus characterized in the Tropical Eastern Pacific by a complex of species (Henry and McClaughlin 1986) that typically live in the upper 10 m on shallow rocky reefs (Brusca and Hendrickx 2008).
The turtles are taken to the rehabilitation unit when they wash up on shore, covered with barnacles.
The literature is filled with studies suggesting that the larvae of simple prey organisms such as barnacles and mussels hitch a ride on the coast-to-offshore currents typical of upwelling and are thus mostly absent in the coastal tidal zones.
By mimicking the skin of a long-finned pilot whale American scientists are designing a method to keep ships' hulls free of barnacles and other drag-inducing marine life.