acorn barnacle

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Related to acorn barnacle: Balanus balanoides

acorn barnacle

Any of various barnacles having a conical shell that is directly attached to rocks or other hard surfaces.

[From the resemblance of the barnacle in its shell to an acorn in its cupule .]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

acorn barnacle

acorn shell

(Animals) any of various barnacles, such as Balanus balanoides, that live attached to rocks and have a volcano-shaped shell from the top of which protrude feathery food-catching appendages (cirri)

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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Noun

acorn barnacle - barnacle that attaches to rocks especially in intertidal zones

Balanus balanoides, rock barnacle

barnacle, cirriped, cirripede - marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces

Balanus, genus Balanus - type genus of the family Balanidae

Translations

balane

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References in periodicals archive ?

Making mountains out of barnacles: the dynamics of acorn barnacle hummocking.

Cirripede Cypris Antennules: How Much Structural Variation Exists Among Balanomorphan Species from Hard-Bottom Habitats?

As shown in Table 4, some of the classes such as hydrozoan, acorn barnacle, algae, finger sponge, and Christmas tree worm produced a result of less than 70%, which as mentioned above was set as the benchmark for what is acceptable.

Intelligent Image Recognition System for Marine Fouling Using Softmax Transfer Learning and Deep Convolutional Neural Networks

Amphibalanusamphitrite (previously named Balanusamphitrite,(Clare and Hoeg, 2008) is a major marine biofouling invertebrate distributed in tropical and warm temperate worldwide waters (Clare and Alred 2009), it is belong to balanidae family, and the common names is striped barnacle or purple acorn barnacle, morphological characteristics are a medium-sized, parietal tubes in single row, without transverse septa, exterior of shell with longitudinal striations, shell conical, white and distinctly marked with thick, composed of 6 parietes.

Morphological and molecular study of new record species of barnacle amphibalanus amphitrite (Darwin, 1854) in BabylonProvince, Iraq

Extreme spatial variation in the growth and reproductive output of the acorn barnacle Semibalanus balanoides.

Reproductive system morphology of giant barnacle "picoroco" Austromegabalanus psittacus (Molina, 1782) (Cirripedia, Balanidae)/Morfologia del aparato reproductor del picoroco Austromegabalanus psittacus (Molina, 1782) (Cirripedia, Balanidae)

The acorn barnacle (5) glues itself to a rock with its own strong glue.

Cool pools ... Check 'em out!

The parasitic forms can be as small as a fraction of an inch in length, while the shell of the acorn barnacle Balanus psittacus reaches a height of about 8--10 inches.

Barnacle Bonanza

Chthamalus anisopoma is a mid-intertidal acorn barnacle distributed throughout the Gulf of California (Brusca 1980).

PREDATOR-INDUCED DEFENSE: VARIATION FOR INDUCIBILITY IN AN INTERTIDAL BARNACLE

Specifically we examine the hypothesis that bays with low flushing rates, and presumably long residence times and restricted dispersal of larvae, promote local adaptation of acorn barnacle populations to the thermal stresses of estuarine habitats relative to bays with short residence times.

Larval dispersal and local adaptation in acorn barnacles

Effects of crowding and wave exposure on cirrus morphology of the acorn barnacle. Semibalanus balanoides.

Parallel Patterns of Host-Specific Morphology and Genetic Admixture in Sister Lineages of a Commensal Barnacle

KEY WORDS: acorn barnacle, aquaculture, southern Chile, cash flow, economic indicators

Economic feasibility of aquaculture of the giant barnacle Austromegabalanus psittacus in southern Chile

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.

LATITUDINAL VARIATION IN SPECIES INTERACTIONS: A TEST IN THE NEW ENGLAND ROCKY INTERTIDAL ZONE

Among the pickings: acorn barnacle, ribbed limpet, purple shore crab, black turban snail, leather chiton, green anemone, red sea cucumber, feather boa, even the nudibranch.