acorn barnacle

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  • noun

Synonyms for acorn barnacle

barnacle that attaches to rocks especially in intertidal zones

References in periodicals archive ?
Molecular phylogeny, systematics and morphological evolution of the acorn barnacles (Thoracica: Sessilia; Balanomorpha).
Making mountains out of barnacles: the dynamics of acorn barnacle hummocking.
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.
Acorn barnacles are often the most numerous of all marine animals along rocky seashores.
While most studies were on acorn barnacles, a few involved bivalves and one study examined gorgonians (Table 5).
Observations made during May-September 1994 suggested that the acorn barnacle, Semibalanus batanoides, extended above the Ascophyllum nodosum zone at northern sites, but at southern sites it was present only under the algal canopy.
Sea levels in Holyhead have risen by half a metre over the past 30 years, while warm currents have forced acorn barnacles and some types of seaweed further north.
In acorn barnacles, hummocks commonly occur in strikingly regular spatial patterns in dense stands of recruits.
graze algae and can have important negative effects on recruits of some acorn barnacles, especially Balanus glandula (Dayton 1971, Paine 1981, Farrell 1991, Berlow and Navarrete, 1997).
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.
Cyprids (Walker, 1971, 1973; Cheung and Nigrelli, 1975) and adult acorn barnacles (Lacombe and Liguori, 1969; Lacombe, 1970; Walker, 1970, 1978; Fyhn and Costlow, 1976) were investigated using histological and histochemical methods.
Acorn barnacles are suspension feeders that extend three pairs of modified thoracic limbs (cirri) into ambient flow to capture plankton and smaller food particles (1).
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 acorn barnacle (5) glues itself to a rock with its own strong glue.
KEY WORDS: acorn barnacle, aquaculture, southern Chile, cash flow, economic indicators