Barnacles are displaced by limpets and mussels, which compete for space. They also have numerous predators. [3] They employ two strategies to overwhelm their competitors: "swamping" and fast growth. In the swamping strategy, vast numbers of barnacles settle in the same place at once, covering a large patch of substrate, allowing at least some to survive in the balance of probabilities. [3] Fast growth allows the suspension feeders to access higher levels of the water column than their competitors, and to be large enough to resist displacement; species employing this response, such as the aptly named Megabalanus, can reach 7cm (3in) in length; [3] other species may grow larger still ( Austromegabalanus psittacus). Firstly, I decided to do a bit of Googling and took a peek at the Wikipedia article (but shush don’t tell anyone!) The comic books were originally written in Belgian patois between 1929–1976 but the first story translated into English was ‘King Ottakar’s Sceptre’ which appeared in Eagle magazine in 1951. Seven years later, Michael Turner and Leslie Lonsdale-Cooper began translating the series of 24 comic books for the publishers Methuen. I wanted to know more about them and decided to follow up some of the material cited in the Wikipedia article. Benson. "Charles Darwin". SparkNotes. Archived from the original on 29 September 2007 . Retrieved August 30, 2007. Barnacles are encrusters, attaching themselves temporarily to a hard substrate or a symbiont such as a whale ( whale barnacles), a sea snake ( Platylepas ophiophila), or another crustacean, like a crab or a lobster ( Rhizocephala). The most common among them, "acorn barnacles" ( Sessilia), are sessile where they grow their shells directly onto the substrate. [3] Pedunculate barnacles ( goose barnacles and others) attach themselves by means of a stalk. [3] Attachment [ edit ] Jan Holmes (2002). "Seashore players most successful when they're in their zone". WSU Beach Watchers. Archived from the original on 2010-06-21 . Retrieved March 6, 2010.

Charles Darwin took up this challenge in 1846, and developed his initial interest into a major study published as a series of monographs in 1851 and 1854. [33] Darwin undertook this study, at the suggestion of his friend Joseph Dalton Hooker, to thoroughly understand at least one species before making the generalisations needed for his theory of evolution by natural selection. [34] [35] Upon the conclusion of his research, Darwin declared "I hate a barnacle as no man ever did before." [36] [35]Barnacles have two distinct larval stages, the nauplius and the cyprid, before developing into a mature adult. The name Cirripedia comes from the Latin words cirritus "curly" from cirrus "curl" [37] and pedis from pes "foot," [38] the two words together mean "curl-footed." [39] [ further explanation needed] The study of barnacles is called cirripedology. There are over 1400 species of barnacles around the world. Classed as a crustacean they are related to crabs and lobsters. The barnacle that commonly inhabits the bottom of yachts is the acorn barnacle.

In an interview from 1983, Hergé attempted to distance himself from the criticism, explaining: “The fact is that while I was growing up, I was being fed the prejudices of the bourgeois society that surrounded me. It’s true that Soviets and Congo were youthful sins. I’m not rejecting them. However, if I were to do it again, they would be different.” Where to next? a b Richmond, Marsha (January 2007). "Darwin's Study of the Cirripedia". Darwin Online . Retrieved 16 June 2012. Ballast is needed to stabilise ships, even very big ones, in rough weather. Depending on what cargo they carry, vessels typically pump millions of gallons of water into huge tanks before starting a voyage, and then discharge it when they reach their destination. As they pump in water, they also grab whatever sea life happens to be around. When they pump it out again, many of these creatures are still very much alive – and sometimes very unwelcome in the new surroundings.Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. The sessile lifestyle of barnacles makes sexual reproduction difficult, as the organisms cannot leave their shells to mate. To facilitate genetic transfer between isolated individuals, barnacles have extraordinarily long penises⁠. Barnacles probably have the largest penis to body size ratio of the animal kingdom, [19] up to eight times their body length. [21]

Shortly after Hergé, the creator of Tintin, died in 1983, Farr went to Brussels to pay his respects. He found the team of artists who worked in Hergé’s studio deeply depressed. “His widow wanted to observe Hergé’s wish that Tintin should die with him,” says Farr, meaning that there would be no new books. “His right-hand man, Bob de Moor, was devastated. He said, ‘In five years, Tintin will be completely forgotten.’” Darwin, C. R. (1854). The Balanidæ, (or sessile cirripedes); the Verrucidæ, etc. A monograph of the sub-class Cirripedia, with figures of all the species. Vol.2. London: Ray Society. Marimba, Tubular Bells, Drawbar Organ, Harmonica, Tango Accordion, Acoustic Guitar (steel), Acoustic Bass, Pizzicato Strings, Orchestral Harp, String Ensemble 2, Piccolo, Agogo, Melodic Tom, Reverse Cymbal, Custom Percussion Maybe we can introduce some controlled roughness, or weird shapes, to increase the diversity of the flow. Or maybe we can dramatically change the ship shape and come up with some novel profiles,” he says.Barnacles were originally classified by Linnaeus and Cuvier as Mollusca, but in 1830 John Vaughan Thompson published observations showing the metamorphosis of the nauplius and cypris larvae into adult barnacles, and noted how these larvae were similar to those of crustaceans. In 1834 Hermann Burmeister published further information, reinterpreting these findings. The effect was to move barnacles from the phylum of Mollusca to Articulata, showing naturalists that detailed study was needed to reevaluate their taxonomy. [33] Most barnacles are suspension feeders; they dwell continually in their shells, which are usually constructed of six plates, [3] and reach into the water column with modified legs. These feathery appendages beat rhythmically to draw plankton and detritus into the shell for consumption. [25] Consider adding a topic to this template: there are already 5,822 articles in the main category, and specifying |topic= will aid in categorization. a b c Chan, Benny K K; Dreyer, Niklas; Gale, Andy S; Glenner, Henrik; Ewers-Saucedo, Christine; Pérez-Losada, Marcos; Kolbasov, Gregory A; Crandall, Keith A; Høeg, Jens T (2021-02-25). "The evolutionary diversity of barnacles, with an updated classification of fossil and living forms". Zoological Journal of the Linnean Society. 193 (zlaa160): 789–846. doi: 10.1093/zoolinnean/zlaa160. ISSN 0024-4082. Bromham, Lindell (2020-10-01). "Comparability in evolutionary biology: The case of Darwin's barnacles". Linguistic Typology. 24 (3): 427–463. doi: 10.1515/lingty-2020-2056. hdl: 1885/274303. ISSN 1613-415X. S2CID 222319487.