Eight of the fifty nine freshwater mollusk species for sale in Singapore were recognized by Ting Hui as "narrowly-endemic." These included the three spiny species of Brotia, the four Tylomelania species, and the viviparid Celetaia persculpta. 52. Stenomelania sp.; 53. Thiara cancellata; 54. If you adored this write-up and you would such as to receive more details pertaining to dekalb Buy sale Trade kindly go to the webpage. Celetaia persculpta; 55. Filopaludina cambodjensis; 56. Filopaludina peninsularis; 57. Filopaludina polygramma; 58. Sinotaia guangdungensis; 59. Taia pseudoshanensis. 17. Bithynia sp.; 18. Clea bockii; 19. Clea helena; 20. Radix rubiginosa; 21. Clithon corona; 22. Clithon diadema; 23. Clithon lentiginosum; 24. Clithon mertoniana; 25. Neripteron auriculata; 26. Neritina iris; 27. Neritina juttingae; 28. Neritina violacea; 29. Neritodryas cornea; 30. Septaria porcellana; 31. Vittina coromandeliana; 32. Vittina turrita; 33. Vittina waigiensis; 34. Brotia armata; 35. Brotia binodosa; 36. Brotia herculea; 37. Brotia pagodula; 38. Sulcospira tonkiniana; 39. Tylomelania towutica; 40. Tylomelania sp.; 41. Tylomelania sp.; 42. Tylomelania sp.; 43. Physa sp.; 44. Amerianna carinata; 45. Indoplanorbis exustus; 46. Gyraulus convexiusculus; 47. Semisulcospira sp.; 48. Melanoides tuberculata; 49. Stenomelania offachiensis; 50. Stenomelania plicaria; 51. Stenomelania cf.
Is that this Physa concolor in Singapore? It's also potential that the "Physa sp" reported by Ng and colleagues in Singapore would possibly certainly be a distinct biological species. Ting Hui and her colleagues surveyed seven native retail shops and main aquarium-inventory exporters between 2008 and 2014, documenting a formidable forty seven species of freshwater gastropods and 12 species of bivalves accessible on the market to the interest worldwide. Not the (indoor) aquarium outlets supplied by Singapore. The principle point is that Physa (and three other gastropod species) had been categorised as "hitchhikers" by Ting Hui and colleagues, which signifies that they have been found in Singapore incidentally transported with aquatic plants, ornamental fish or other freshwater mollusks, and never literally "For Sale," because no one needs them. Ng, TH, SK Tan, & DCJ Yeo (2015) Clarifying the identification of the lengthy-established, globally-invasive Physa acuta Draparnaud, 1805 (Gastropoda: Physidae) in Singapore. 2002) Populations of the European freshwater pulmonate Physa acuta are usually not reproductively isolated from American Physa heterostropha or Physa integra. Benthem Jutting WSS. Systematic research on the non-marine Mollusca of the Indo-Australian archipelago: V. Critical revision of the Javanese freshwater gastropods.
Among the many remainder of the gastropods for sale in Singapore, I myself was most fascinated by the strange and exotic-looking pachychilids and thiarids. Ng Ting Hui, Tan SK, Wong WH, Meier R, Chan S-Y, Tan HH, Yeo DCJ (2016) Molluscs on the market: Assessment of Freshwater Gastropods and Bivalves within the Ornamental Pet Trade. Fig 1. Freshwater molluscs in the ornamental pet trade. So the paper by Ting Hui and colleagues opened with this sentence: "The ornamental pet commerce is often thought-about a key perpetrator for conservation problems such as the introduction of invasive species (including infectious diseases) and overharvesting of rare species." Can a gastropod inhabitants - particularly a population endemic to some narrowly-circumscribed patch of habitat - certainly be threatened by overharvest? " The senior author, Ting Hui Ng, and her six coauthors hail almost solely from Singapore, the first exporter of ornamental fishes to the worldwide market. Singapore, till I swapped emails with Ting Hui. The research pursuits of Ting Hui and colleagues seem to have been motivated by two major issues - that exotic freshwater mollusks might unfold, and that they won't. The size of time wanted to research the entire stocks around the world could be quite time consuming.
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