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Barnacle adults are sessile; most are suspension feeders with hard calcareous shells, but the Rhizocephala are specialized parasites of other crustaceans, with reduced bodies. Barnacles have existed since at least the mid-Carboniferous, some 325 million years ago. In folklore, barnacle geese were once held to emerge fully formed from goose ...
"The goose-tree" from Gerard's Herbal (1597), displaying the belief that goose barnacles produced barnacle geese.. In the days before birds were known to migrate, barnacle geese, Branta leucopsis, were thought to have developed from this crustacean through spontaneous generation, since they were never seen to nest in temperate Europe, [4] hence the English names "goose barnacle" and "barnacle ...
The barnacle creates a crown-shaped shell, and in most instances, deeply embeds itself into the skin for stability while riding a fast-moving host. The shell plates are made of calcium carbonate and chitin. Whale barnacles may live for up to a year, and often slough off along migration routes or at whale calving grounds.
The barnacle goose myth is a widely-reported historical misconception about the breeding habits of the barnacle goose (Branta leucopsis) and brant goose (Branta bernicla). [1] One version of the myth is that these geese emerge fully formed from goose barnacles ( Cirripedia ). [ 2 ]
In a carefully designed series of experiments he recorded the direct and indirect results on the numbers of goose barnacles, sea mussels, acorn barnacles, starfish and predatory whelks (Nucella spp.) present in the area. His results demonstrated the important part that predation by birds can play in the dynamics of gooseneck barnacle ...
Astronaut photo of Cape Town showing the Cape Peninsula, and surrounding waters, including False Bay. Map showing approximate extent of the range of the article and identifying key locations and the borders of the Table Mountain National Park Marine Protected Area Marine ecoregions of the South African exclusive economic zone Marine species distribution reference map of the Southern African ...
Megabalanus tintinnabulum is a species of large barnacle in the family Balanidae. It is the type species of the genus. The specific name comes from the Latin tintinnabulum meaning a handbell and probably refers to the fact that small groups of barnacles resemble clusters of miniature bells.
A. amphitrite and Balanus eburneus (ivory acorn barnacles), Cayo Costa State Park, Florida. Amphibalanus amphitrite is a species of acorn barnacle in the Balanidae family. Its common names include the striped barnacle, the purple acorn barnacle and Amphitrite's rock barnacle. It is found in warm and temperate waters worldwide.