Redescription of Bagrichthys macropterus...
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Redescription of Bagrichthys macropterus...
(Note: as I enter this the full article is not available on the website. I assume that it will be so shortly at http://www.trjfas.org/issue_display.php?issue=new .)
Turkish Journal of Fisheries and Aquatic Sciences, Vol. 9, No. 1, April 2009.
Redescription of Bagrichthys macropterus and Comparing it with B. macracanthus, B. majusculus and B. obscurus
Chaminwat Philasamorn1, Rojchai Satrawaha1,*
1 Mahasarakham University, Walai Rukhavej Botanical Research Institute, Mahasarakham, 44150, Thailand.
Abstract:
Descriptive morphological and morphometric characters for 45 parameters and weight-length relationship of 30 tropical freshwater bagrid catfish, Bagrichthys macropterus (Bleeker, 1853), from the Mun river in northeastern Thailand were investigated. The aim of this study was to quantify morphological differences between Bagrichthys macropterus and B. obscurus Ng, 1999. The results revealed that fin spines for the anal, caudal, dorsal, pectoral, and ventral fins were ii-iv/11-13; 8/7; I,7; I,7-8; and I,5, respectively. And gill rakers were 7-10. Serrations of the dorsal and pectoral spines were 13-15, 22-25, respectively, on posterior margin. Mandibulary teeth were not found on all tooth-bearing surfaces. All four pairs of barbel were longer in males than in females (P<0.05). Morphologically, this species is very similar to B. obscurus, but can be differentiated by caudal peduncle depth, nasal barbel length and serrations of the dorsal and pectoral spines
Turkish Journal of Fisheries and Aquatic Sciences, Vol. 9, No. 1, April 2009.
Redescription of Bagrichthys macropterus and Comparing it with B. macracanthus, B. majusculus and B. obscurus
Chaminwat Philasamorn1, Rojchai Satrawaha1,*
1 Mahasarakham University, Walai Rukhavej Botanical Research Institute, Mahasarakham, 44150, Thailand.
Abstract:
Descriptive morphological and morphometric characters for 45 parameters and weight-length relationship of 30 tropical freshwater bagrid catfish, Bagrichthys macropterus (Bleeker, 1853), from the Mun river in northeastern Thailand were investigated. The aim of this study was to quantify morphological differences between Bagrichthys macropterus and B. obscurus Ng, 1999. The results revealed that fin spines for the anal, caudal, dorsal, pectoral, and ventral fins were ii-iv/11-13; 8/7; I,7; I,7-8; and I,5, respectively. And gill rakers were 7-10. Serrations of the dorsal and pectoral spines were 13-15, 22-25, respectively, on posterior margin. Mandibulary teeth were not found on all tooth-bearing surfaces. All four pairs of barbel were longer in males than in females (P<0.05). Morphologically, this species is very similar to B. obscurus, but can be differentiated by caudal peduncle depth, nasal barbel length and serrations of the dorsal and pectoral spines
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Bagrichthys macropterus
Hi all.
The full PDF of the above noted paper is now available by following the provided link.
Lee
The full PDF of the above noted paper is now available by following the provided link.
Lee
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Re: Redescription of Bagrichthys macropterus...
This is a very strange study, since the “B. macropterus” of the authors is actually B. obscurus.
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Re: Redescription of Bagrichthys macropterus...
Oops!Silurus wrote:This is a very strange study, since the “B. macropterus” of the authors is actually B. obscurus.
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Re: Redescription of Bagrichthys macropterus...
Oops indeed!!!The.Dark.One wrote:Oops!Silurus wrote:This is a very strange study, since the “B. macropterus” of the authors is actually B. obscurus.
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