کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2790767 1154789 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A new species of Macrobrachium Bate, 1868 (Decapoda, Palaemonidae) from the dolphin trenches of Kulsi River, N. India, possibly under threat
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم دامی و جانورشناسی
پیش نمایش صفحه اول مقاله
A new species of Macrobrachium Bate, 1868 (Decapoda, Palaemonidae) from the dolphin trenches of Kulsi River, N. India, possibly under threat
چکیده انگلیسی

The Kulsi River, a major tributary of Brahmaputra River, N. India is reported to have resident population of Ganges river dolphin, Platanista gangetica (Roxburgh), which feeds on fishes and prawns. While surveying for the dolphins of the river, a number of fishes and prawns were collected. On identification, one of the prawns was found to be undescribed, and hence is described herein. The ecology of the river consisted of: temperature fluctuating widely from 15 to 28 °C, depth from 0.8 to 10 m, turbidity of 11–19 cm, sand mining @ 12,500 MT annually, and fish catch of 300–800 kg (from 1.5 km area). All these factors pose a great threat to the fish and prawn wealth of the river.Macrobrachium kulsiense sp. nov. is a very small sized prawn (maximum size – 34.5 mm in total length), exhibiting species-specific characters, such as highly elevated and moderately long rostrum with 9–12 dorsal teeth, a single ventral tooth, and percentage ratios of ischium, merus, carpus, palm, dactylus of first and second chelipeds (19.05:28.57:33.33:09.52:09.52 and 21.43:25.00:21.43:14.28:17.86, respectively). The species shows close similarity with Macrobrachium mirabile (Kemp). The females are larger than males, eggs are large in size (1.2×0.9 mm) and fecundity is low (15–20).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Zoologischer Anzeiger - A Journal of Comparative Zoology - Volume 246, Issue 1, 22 May 2007, Pages 43–48
نویسندگان
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