Many translated example sentences containing "abalone" – German-English dictionary and search engine for German translations. Schnecke oder Muschel? Ein klein wenig kulinarischer Forschertrieb und geschmackliche Neugierde ist bei Abalone respektive “Irismuschel” in. Haliotis-Arten - auch Meerohren, Seeohren, Abalone genannt - kommen in allen Weltmeeren vor und werden vor allem ihres Fleisches wegen, das als.
Abalone Schalen kaufenSchnecke oder Muschel? Ein klein wenig kulinarischer Forschertrieb und geschmackliche Neugierde ist bei Abalone respektive “Irismuschel” in. Seeohren, auch Meerohren bzw. Abalonen genannt, sind eine Gattung großer Schnecken und die einzige Gattung der monogenerischen Familie der Haliotidae, die in fast allen warmen Meeren vorkommen, teilweise auch in gemäßigten Zonen, wie Haliotis. Haliotis-Arten - auch Meerohren, Seeohren, Abalone genannt - kommen in allen Weltmeeren vor und werden vor allem ihres Fleisches wegen, das als.
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The last whorl, known as the body whorl , is auriform , meaning that the shell resembles an ear, giving rise to the common name "ear shell".
Haliotis asinina has a somewhat different shape, as it is more elongated and distended. The shell of Haliotis cracherodii cracherodii is also unusual as it has an ovate form, is imperforate , shows an exserted spire, and has prickly ribs.
A mantle cleft in the shell impresses a groove in the shell, in which are the row of holes known as tremata , characteristic of the genus.
These holes are respiratory apertures for venting water from the gills and for releasing sperm and eggs into the water column.
They make up what is known as the selenizone which forms as the shell grows. This series of eight to 38 holes is near the anterior margin.
Only a small number are generally open. The older holes are gradually sealed up as the shell grows and new holes form. Therefore, the number of tremata is not characteristic for the species.
Each species has a number of open holes, between four and 10, in the selenizone. This number is not fixed and can vary within a species and between populations.
Abalones have no operculum. The aperture of the shell is very wide and nacreous. The exterior of the shell is striated and dull.
The color of the shell is very variable from species to species, which may reflect the animal's diet. The animal shows fimbriated head-lobes.
The side-lobes are also fimbriated and cirrated. The rounded foot is very large. The radula has small median teeth, and the lateral teeth are single and beam-like.
About 70 uncini are present, with denticulated hooks, the first four very large. The soft body is coiled around the columellar muscle , and its insertion, instead of being on the columella, is on the middle of the inner wall of the shell.
The gills are symmetrical and both well developed. These snails cling solidly with their broad muscular foot to rocky surfaces at sublittoral depths, although some species such as Haliotis cracherodii used to be common in the intertidal zone.
Abalones reach maturity at a relatively small size. Their fecundity is high and increases with their size from 10, to 11 million eggs at a time.
The spermatozoa are filiform and pointed at one end, and the anterior end is a rounded head. The larvae are lecithotrophic.
The adults are herbivorous and feed with their rhipidoglossan radula on macroalgae , preferring red or brown algae.
By weight, about one-third of the animal is edible meat, one-third is offal, and one-third is shell. The shell of the abalone is exceptionally strong and is made of microscopic calcium carbonate tiles stacked like bricks.
Between the layers of tiles is a clingy protein substance. When the abalone shell is struck, the tiles slide instead of shattering and the protein stretches to absorb the energy of the blow.
Material scientists around the world are studying this tiled structure for insight into stronger ceramic products such as body armor.
The number of species that are recognized within the genus Haliotis has fluctuated over time, and depends on the source that is consulted.
The number of recognized species ranges from 30  to Those that have been reviewed tend to show that the abalone in general is declining in numbers, and will need protection throughout the globe.
A dorsal view of a live ass's ear abalone, Haliotis asinina. The black abalone, Haliotis cracherodii. Dorsal left and ventral right views of the blacklip abalone, Haliotis rubra.
The white abalone, Haliotis sorenseni. A shell of Haliotis varia form dohrniana. Haliotis coccoradiata. Haliotis cracherodii. Home Species Abalone. Related information Recreational fishing guide abalone.
Fisheries fact sheet - abalone. Abalone Page Content. Biology Abalone are a type of single-shelled gastropod herbivorous marine mollusc.
Distribution and habitat Abalone are widely distributed across tropical and temperate coastal areas. Lifecycle Female abalone can produce millions of eggs each year.
Diet Juveniles feed on microscopic algae. Disclaimer The information and advice provided by the Department of Fisheries website is made in good faith and is from sources believed to be reliable and accurate at the time of release onto the website.
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In Starkey, David J. London, UK: Earthscan. Materials Science and Engineering: A. Linnaeus, Carl Holmia [Stockholm], Sweden: Laurentii Salvii.
Loosanoff, Victor L. In Johnston, Bernard ed. Collier's Encyclopedia. I: A to Ameland 1st ed. New York, NY: P. McDougall, P.
Neuman, Melissa 10 June Neuman, Melissa 2 November Simon, Carol A. African Invertebrates. Simons, Stefan 14 April Spiegel Online in German.
Archived from the original on 4 February Smith, G. Archived from the original on 7 July Smookler, Michael San Mateo County Coast.
Arcadia Publishing. State of California Archived from the original on 4 March State of California January State of California: Division of Fish and Game.
Archived from the original PDF on 24 January Archived from the original on 25 December Taggart, Stewart 25 January Archived from the original on 16 August Tran, Bastien; Bouchet, Phillippe Archived from the original on 17 October Retrieved 19 August Tryon, Jr.
Westaway, Cameron; Norriss, Jeff October Fisheries Management Paper. Commercial mollusks. Oyster Mussel Pearl oyster Pinctada maxima.
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Download as PDF Printable version. Wikimedia Commons. Living abalone in tank showing epipodium and tentacles, anterior end to the right. Haliotidae Rafinesque , Haliotis Linnaeus ,  .
Haliotis asinina Linnaeus , Fleming , Haliotis Sulculus H. Adams , Tinotis P. Wikispecies has information related to Haliotis. Fewer freedivers can work deeper than that.
Abalone are normally found on rocks near food sources kelp. An abalone iron is used to pry the abalone from the rock before it can fully clamp down.
Visibility is normally five to ten feet. Divers commonly dive out of boats, kayaks, tube floats or directly off the shore.
Rock- or shore-picking is a different method from diving where the rock picker feels below rocks during low tides for abalone.
There has been a trade in diving to catch abalones off parts of the United States coast from before In World War II , many of these abalone divers were recruited into the United States armed forces and trained as frogmen.
There is a worldwide black market in the collection and export of abalone meat. When such permits are overused, it is difficult to police.
The limit is strictly enforced by many Ministry of Fisheries officers with the help of the police. Convictions have caused removal of diving gear, boats and motor vehicles as well as fines and in rare cases; imprisonment.
Transporting unprocessed abalone shells out of New Zealand is illegal. Abalone-diving has been a recreational activity for many years, but stocks are currently being threatened by illegal commercial harvesting.
Ormers Haliotis tuberculata are considered a delicacy in the Channel Islands and are looked after with great eagerness by the locals.
Unfortunately, this has led to a huge decrease in numbers since the second half of the 19th century, and 'ormering' is now strictly regulated in order to keep stocks.
The taking of ormers is now restricted to a number of 'ormering tides', from the January 1 to April 30, which happen on the full or new moon and two days after that.