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Internet Hawaiian Shell News 20 IHSN March 2010 Month Section ISSN 15436039 http://s190418054.onlinehome.us/Index.html Month Section is the current opening section to Internet Hawaiian Shell News (IHSN) Please enter it as one of your bookmarks or favorites. Links to other sections are below: Feature 1 Living Mitridae A book containing all Mitridae articles by genera alphabetically is in development. All known species are in Feature 1 or Month sections (in 2001) as they were added. Month: General articles HTML Month: General articles Acrobat Feature-6 Cassidae and Cerithiidae HTML Feature-6 Cassidae and Cerithiidae Acrobat HMS data: (links to all IHSN & HSN issues to date, books as well as general information) HTML only Internet Hawaiian Shell News page 1 March 2010 Month Section Recent Finds in Peru by Carlos Avila Cantharus inca (Orbigny, 1841) Engina fusiformis Solenosteira species Internet Hawaiian Shell News page 2 March 2010 Month Section Recent Finds on Oahu, Hawaii by Sid Sneidar This article is arranged to be read from left to right on Date: top of each page , then from left to right on the bottom Collector: Dave Watts of each page to know the collecting station involved with photos. Photos are all by Sid Sneidar. Editor’s comments are in smaller font. Bursa crenulata Sowerby, 1841 Conus abbreviatus Reeve, 1843 Cymatium (Septa) intermedius Conus imperialis Linnaeus 1758 (Pease, 1869) Internet Hawaiian Shell News page 3 March 2010 Month Section Recent Finds by Sid Sneidar continued Conus marmoreus Linnaeus, 1758 Conus miles Linnaeus, 1758 Cymatium (Cymatium) Conus vitulinus nicobaricum (Röding, 798) Hwass in Bruguiere, 1792 Internet Hawaiian Shell News page 4 March 2010 Month Section Recent Finds by Sid Sneidar continued Ctena transversa Dall, Xenoturris species similar to Bartsch and Rehder, 1938 X. castanella Powell, 1964 Nassarius crematus (Hinds, Cymatium (Septa) aquatile 1844) (Reeve, 1844) Internet Hawaiian Shell News page 5 March 2010 Month Section Recent Finds by Sid Sneidar continued Distorsio anus (Linnaeus, 1758) Dolabrata ? Duplicaria gouldi Deshayes, 1859 Latirus nodatus (Gmelin 1791) Internet Hawaiian Shell News page 6 March 2010 Month Section Recent Finds by Sid Sneidar continued Subcancilla foveolata Hastula matheroniana (Dunker, 1858) (Deshayes, 1859) Neocancilla papilio langfordi- Mitra (Mitra) coffea ana J. Cate, 1962 Schubert & Wagner, 1929 Internet Hawaiian Shell News page 7 March 2010 Month Section Recent Finds by Sid Sneidar continued Mitra (Nebularia) fulvescens Malea pomum Broderip, 1836 (Linnaeus, 1758) Vexillum (Costellaria) modestum Scabricola (Swainsonia) (Reeve, 1845) newcombii (Pease, 1869) Internet Hawaiian Shell News page 8 March 2010 Month Section Recent Finds by Sid Sneidar continued Oliva paxillus sandwicensis S. australis Pease, 1860 Solnisteria ? Trivia exigua Gray, 1831 Internet Hawaiian Shell News page 9 March 2010 Month Section Recent Finds by Sid Sneidar continued Strombus wilsoni Abbott, 1967 Internet Hawaiian Shell News page 10 March 2010 Month Section From Hawaiian Shell News April, 1993 page 4 What’s that hiding in the sand? By Olive Schoenberg Dole The tide at Broome, Western Australia has an lumps, plus an occasional lonely little terebrid. Curios- extreme rise-and-fall range of approximately 30 ity finally got the best of me. feet. (Compare that with Honolulu harbor's extreme I touched one of the lumps of sand. Dry sand range of about three feet). A few years ago I had the flaked off, revealing a very aliye Terebra remarkable experience of standing on the shore there rufopunctata. I tried another lump, and another. and watching the surf line draw back until it disap- The same thing happened. peared over the horizon. How about the "naked" T. rufopunctata? I As we walked seaward behind the rapidly falling followed one across the sand. Sure enough, it tide, the sand was still damp. Soon, however, as the spat out some "juice" that made its shell sticky. Indian Ocean sun beat down on it, the sand dried and Sand adhered as it plowed along and soon it was began to crack. A few intertidal creatures appeared. completely covered. Another lump was born. I poked along the vast beach, looking for mollusc I didn't wait for that Australian tide .to sweep trails and small creatures such as olives and Terebra back across the flat beach. Presumably though, to photograph. I saw an occasional hole and a few lit- it released those beautiful little Terebra from tle lumps of sand, but nothing worth stopping to snap. their sandy wrap to enjoy another day. Soon, however, there were more lumps, then many Olive Schoenberg-Dole Internet Hawaiian Shell News page 11 March 2010 Month Section From Hawaiian Shell News April, 1993 page 4 SLIM PICKINGS IN FLORIDA'S CALICO SCALLOPS TALLAHASSEE - Since 1970, Florida's such characteristics as temperature, Gulf Stream posi- calico scallop, Argopecten gibbus (Linne, 1758), has tion, and the reproductive cycle of had its ups and downs. Of the estimated 400-plus the calico scallop. Landward movement of the scallop species, A. gibbus was once one of the three Gulf Stream brings colder nutrient-rich water most common varieties found in the market. In 1984 a which induces spawning and produces more harvest of 39.3 million pounds was valued at $75 mil- scallops. lion, a record. Spawning for the calico scallop typically occurs Since then, the industry has been forced to shut down twice a year, once between March and June due to a lack of scallops. This unpredictable and a second time usually between July and Decem- fluctuation has created hardship for processing ber. Without a successful autumn spawn the plants, fishermen and industry workers, number of scallops that die during the winter according to the Jacksonville (FL) Shell Club's may leave too small a population to support a Shell-o-Gram. commercial fishery. Biologists have been collecting production and In December 1988 scallopers began to find large reproductive data on the calico scallop since the numbers of dead scallops in their catches. Within a mid-1980s. Florida Sea Grant researchers month, mortality was close to 100 percent. Norman Blake and Kendall Carder are using remote Examination showed that a parasitic Haplosporidian sensing techniques to predict scallop availability of unknown species had taken over the digestive tract for commercial harvest. Satellite imagery gives water of the scallops and virtually starved them to death. temperature, chlorophyll content and other reproduc- Blake's research was cut short by high mortality tion-linked information. on the Canaveral scallop beds in January, 1989. Overall, the research indicates a relationship among Internet Hawaiian Shell News page 12 March 2010 Month Section From Hawaiian Shell News April, 1993 page 5 Oliva rubrolabiata Fischer, 1902 is found in both pale (center) and normal forms in Vanuatu. By Mike Hart* neighbors are Fiji 800 km to the east, the Solomon group the same distance to the northwest, and New *32 Oakland Avenue, Papatoetoe. Caledonia 400 km to the southwest. The Torres Auckland, N.Z. group, most northerly of the Vanuatu chain, is When Ron van Prehn, skipper of the yacht Bakaal, 100 km from Santa Cruz Island, southernmost of was shipwrecked off Hui Island in the Torres group of the Solomons. Northern Vanuatu in 1983, shell collecting was proba- The considerable distance of the latter islands bly the last thing on his mind. But when, two years from Port Vila and the fragmented geography mean later, he nursed his crippled yacht back to New Zea- that the northernmost islands are visited infrequently land by way of the Torres Banks and southern Solo- except by copra boats, a few interisland traders and an mon islands, he brought with him an extensive knowl- occasional yacht en route to or from the Solomons. edge of local olive shells, a s well as a considerable Some of the Banks Islands were seen by collection. the Quiros expedition in 1608. (There is uncertainty A professional photographer, Ron was able to capture as to how many islands Quiros and his company on film many of his unusual experiences, as well as actually saw.) Capt. James Cook's survey of the New stunning scenery and the people of the remote Banks Hebrides (today's Vanuatu) missed them and they and Torres islands. were not named as a group until 1789 when Capt. The some eighty isles of Vanuatu ("Our Land") William Bligh honored Captain Cook's botanist, Sir are strung like a Y across the South Pacific between Joseph Banks. The largest islands are Gaua (Santa 12 and 21 degrees south and 166 to 171 degrees east, Maria) and Vanua Lava, both volcanic in origin. a stretch of 800 kilometers (500 miles). Port Vila, the The Torres Islands didn't get on the charts capital, is on the central island of Efate. Its nearest until 1860 when Capt. J. Erskine, commanding Internet Hawaiian Shell News page 13 March 2010 Month Section HMS Havannah, named them for Quiros' second-in- Most specimens were brought in by children command. Today, the ten larger and several small of the village of Vetu Boso on Vanua Lava in the islands of the Banks and Torres groups form a single Banks group. They free dived for them in five to administrative district of Vanuatu. 10 meters of water from canoes off their village. If modern Vanuatu is notable for anything beyond The fact that O. rubrolabiata are found only on its recent political history, it is as the home of two black volcanic sand further limits their distribution sought-after shells. The first, Oliva rubrolabiata H. since most of the Torres islands and many in the Fischer, 1902, is apparently endemic to Vanuatu. The Banks group have white sand beaches. They are not second, Cypraea catholicorum Schilder & Schilder, found intertidally. 1938, has a slightly wider West Pacific range.
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