acorn barnacle


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Related to acorn barnacle: Balanus balanoides

acorn barnacle

[′ā‚kȯrn ‚bär·nə·kəl]
(invertebrate zoology)
Any of the sessile barnacles that are enclosed in conical, flat-bottomed shells and attach to ships and near-shore rocks and piles.
References in periodicals archive ?
Within cirripedes, species of acorn barnacles (Thoracica: Balanomorpha) inhabiting rocky shores are an ecologically very important group that often completely dominate their habitat, and they are also among the most damaging foulers of man-made objects in the sea (Bertness et al., 1998; Thompson and Nagabhushanam, 1999).
The acorn barnacle images were used to obtain the percent fouling over the total area of the image or the fouling density by OpenCV.
Acorn barnacles are often the most numerous of all marine animals along rocky seashores.
Components of recruitment in populations of the acorn barnacle Semihalanus balanoides.
In addition, several species of "acorn barnacles" constitute a significant resource on a local scale (Lopez et al.
In acorn barnacles, hummocks commonly occur in strikingly regular spatial patterns in dense stands of recruits.
The adhesive is comprised of a foam-like structure and mechanical properties (elastic modulus, hardness, and tensile stress) are lower than that of acorn barnacles with a calcareous base plate (Zheden et al., 2015).
Acorn barnacles provide an excellent opportunity for examining plastic response because they are sessile (and therefore cannot move in response to the environment), molt their exoskeleton (providing periodic opportunity for morphological change), and occur across a wide range of flow conditions.
The clawless crabs were provided with 6 ribbed mussels (3 in the 30-mm size class and 3 in the 40-mm size class), 3 scorched mussels (Brachidontes exustus), and 3 acorn barnacles for 48 h.
"I was looking at photographs of these really interesting underwater specimens, like acorn barnacles and other corals," he said before the show.
Roedd haen lwyd y gragen long (Semibalanus balanoides; acorn barnacles) yn amlwg ac yn is i lawr lliw brownddu y gwymon rhychog (Pelvetia canaliculata; channelled wrack).