58 research outputs found

    Species composition and diversity of fishes in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam waters

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    The collaborative research on species composition and diversity of fishes in the Sabah and Sarawak waters was carried out by using otter-board trawling, through K.K. Manchong, including taxonomic survey for commercial coastal fishes landed in the markets of Sarikei, Bintulu, Miri, Labuan and Kota Kinabalu. Totally 518 species from 24 orders and 108 families were obtained. Hundred and three economic species were obtained from trawling survey and 106 species from the markets. The station point at St. 33 and 48 is the highest species richness, 69 and 70 species found. The highest CPUE were obtained at St. 44 and 48 (196 and 144 kg). Demersal species form main composition of the catches with the 9 dominant economic species. This trawling survey obtained few amount of 37 pelagic species. This survey also found the third record of Hapalogenys analis and Pomadasys auritus from the Southeast Asian waters

    First occurrence of <i>Duboisia</i> (Bovidae, Artiodactyla, Mammalia) from Thailand

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    The first fossil record of Duboisia (Boselaphini, Bovidae) from Thailand confirms that this genus is no longer endemic to Java, Indonesia. The new fossil material is a calvarium with horn cores (older than the Middle Pleistocene) collected from a sandpit at Tha Chang, Nakhon Ratchasima Province, north-eastern Thailand. The present specimen is provisionally allocated to a species of Duboisia aff. D. santeng, which has weaker precornual ridges and anterior keels on the horn cores than D. santeng from Early and Middle Pleistocene deposits of Java, but these species share basic characteristics of horn cores as follows: the lower half inclined backwards; the upper half curved upwards; cross section rounded triangular, antero-posteriorly compressed, and with medial and lateral keels. Morphological similarities between D. aff. santeng and D. santeng support a strong faunal interchange between continental South East Asia and Java before the Middle Pleistocene, and suggest that the genus Duboisia diverged from the other genera of Boselaphini in the Siva-Malayan region.</p

    Tor sinensis

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    10.2305/IUCN.UK.2018-2.RLTS.T187891A126322879.e

    Species Composition and Diversity of Fishes in the South China Sea, Area I: Gulf of Thailand and East Coast of Peninsular Malaysia

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    The collaborative research on species composition and diversity of fishes in the Gulf of Thailand and eastern Malay Peninsula was carried out by R. V. Pramong 4 in Thai waters and K.K. Manchong, K.K. Mersuji in Malaysian waters, through otter-board trawling surveys. Taxonomic surveys also done for commercial fishes in the markets of some localities. Totally 300 species from 18 orders and 89 families were obtained. Their diversity are drastically declined, compare to the previous survey from 380 species trawled. The station point of off Ko Chang, eastern Gulf of Thailand and off Pahang River shown significantly high diversity of fishes57 and 73 species found. Demersal species form the main composition of the catchs. The lizardfish Saurida undosquamis, S. miropectoralis, the bigeye Priacanthus tayenus and P. macracanthus, the rabbitfish Siganus canaliculatus and hairtail Trichiurus lepturus were the most abundant economic species found in mast of the sampling stations. Fishing efforts were 34 hours and 49 hours for the cruises I and II, with average catch per hour of 12.04 and 34.79 kg. respectively. The maximum catch per hour was 175.3 kg in Malaysian waters, the minimum was 4.33 kg in Thai waters. The average percentage of economic fishes is higher than that of trash fishes in Malaysian waters, it ranged from 55.45 to 81.92 %

    Species Composition and Diversity of Fishes in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam Waters

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    The collaborative research on species composition and diversity of fishes in the Sabah and Sarawak waters was carried out by using otter-board trawling, through K.K. Manchong, including taxonomic survey for commercial coastal fishes landed in the markets of Sarikei, Bintulu, Miri, Labuan and Kota Kinabalu. Totally 518 species from 24 orders and 108 families were obtained. Hundred and three economic species were obtained from trawling survey and 106 species from the markets. The station point at St. 33 and 48 is the highest species richness, 69 and 70 species found. The highest CPUE were obtained at St. 44 and 48 (196 and 144 kg). Demersal species form main composition of the catchs with the 9 dominant economic species. This trawling survey obtained few amount of 37 pelagic species. This survey also found the third record of Hapalogenys analis and Pomadasys auritus from the Southeast Asian waters

    Macrobrachium spelaeus, a new species of stygobitic freshwater prawn from Thailand (Decapoda: Palaemonidae)

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    Cai, Yixiong, Vidthayanon, Chavalit (2016): Macrobrachium spelaeus, a new species of stygobitic freshwater prawn from Thailand (Decapoda: Palaemonidae). Raffles Bulletin of Zoology 64: 117-122, DOI: http://doi.org/10.5281/zenodo.450200

    Tetraodon palustris, a new freshwater pufferfish (Tetraodontiformes: Tetraodontidae) from the Mekong Basin of Thailand

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    Saenjundaeng, Pasakorn, Vidthayanon, Chavalit, Grudpun, Chaiwut (2013): Tetraodon palustris, a new freshwater pufferfish (Tetraodontiformes: Tetraodontidae) from the Mekong Basin of Thailand. Zootaxa 3686 (1): 77-84, DOI: 10.11646/zootaxa.3686.1.
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