September 8th, 2015 — 12:43pm
Probably restricted to southern parts of Karnataka state and northern Kerala state in southwestern India. Following its revalidation in 2015 (see ‘Notes’) it is known with certainty only from the Payaswini and Vallapattanam river systems in Kerala although it is thought to occur elsewhere.
Comment » | Category: Cypriniformes, The Rest
Barilius ardens KNIGHT, RAI, D'SOUZA & VIJAYKRISHNAN, 2015
September 8th, 2015 — 11:50am
Prior to its description this species was typically identified as the congener B. canarensis in the ornamental trade.
It can be distinguished from congeners by the following combination of characters: uni…
Comment » | Category: Cypriniformes, The Rest
November 11th, 2014 — 6:50pm
This species can be distinguished from congeners by the following combination of characters: body relatively slender, depth fitting 3.4-3.8 times in SL; 32-33 + 2 lateral line scales; 14 circumpeduncular scale rows; presence of a single pair of barbels; black distal margin on dorsal-fin; numerous body scales with dark, crescent-shaped markings.
Comment » | Category: Cypriniformes, The Rest
November 11th, 2014 — 2:41pm
Known from the middle Mekong basin in Laos and Thailand, and may be endemic to the Khorat Plateau. Records exist from the Mun and Songkhram watersheds in northeastern Thailand, and a number of Mekong tributaries in laos, including the Nam Mang and Nam Kou drainages.
Type locality is ‘Nam Mang downstream of Ban Thabok, between 18°22’25″N, 103°13’30″E, and about 1 kilometer upstream, Vientiane Province, Laos’.
Comment » | Category: Cypriniformes, The Rest
November 11th, 2014 — 1:38pm
Known from the middle Mekong basin in Laos and Thailand, including the Mun tributary drainage on the Khorat Plateau in northeastern Thailand, plus the Chao Phraya and Mae Klong watersheds in central and western Thailand, respectively. In the Mekong system it may also occur further upriver in Yunnan province, China, while the Khone Falls in Laos appear to represent its downstream limit.
Comment » | Category: Cypriniformes, The Rest
November 11th, 2014 — 12:41pm
This species can be distinguished from congeners by the following combination of characters: body depth fits 2.5-2.7 times in SL; 28-31 +2-3 lateral line scales; 14-16 circumpeduncular scale rows; 5-5½ scale rows between the lateral line and dorsal-fin origin; a triangular distal blotch on the dorsal-fin; a few body scales with crescent-shaped black edges; a thin dark margin on the dorsal-fin, posterior to the distal blotch; a dark posterior margin on the caudal-fin; normally a single pair of rudimentary barbels present.
Comment » | Category: Cypriniformes, The Rest
November 6th, 2014 — 12:32pm
Populations from the upper Pearl River (Nanpan Jiang basin) differ in several morphological characters from those inhabiting Guangdong, Guangxi, and Guizhou Provinces, and Hainan Island. Those from Vietnam also seem to be different (Gan et al., 2009), the implication being that there may be several species currently included under the name M. lineata.
Comment » | Category: Cypriniformes, The Rest
November 5th, 2014 — 8:16pm
Although it is included in the genus Metzia this grouping remains somewhat unresolved in terms of taxonomy and it may contain more than a single genetic lineage. For example, members share a number of characters with the genera Ischikauia Jordan and Snyder 1900, Hemiculterella Warpachowski 1887, and several species of Anabarilius Cockerell 1923, including a bipartite gas bladder, a non-spinous dorsal-fin ray, and a sharp ventral keel between the pelvic-fin insertion and anus.
Comment » | Category: Cypriniformes, The Rest
Metzia bounthobi SHIBUKAWA, PHOUSAVANH, PHONGSA & IWATA, 2012
November 5th, 2014 — 5:33pm
This species can be distinguished from congeners by the following combination of characters: 18–20 (vs. 10-18) branched anal-fin rays; 49–55 (vs. 35-48) lateral-line scale rows; 33–36 (vs. 15-20) predorsal sca…
Comment » | Category: Cypriniformes, The Rest
November 5th, 2014 — 4:00pm
Endemic to the middle and lower Mekong River system in Laos, Thailand, Cambodia, and Vietnam. Its known range extends from Chiang Rai province, Thailand in the north to Kratie province, Cambodia in the south, and it occurs in several important tributary systems including the Sesan, Srepok, and Tonlé Sap.
Type locality is ‘Mekong River at Kemarat, Thailand’.
Comment » | Category: Cypriniformes, The Rest
Aphyosemion rectogoense
Many thanks cyprin, the image has now been removed.
31st Oct 2024
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