journal6 ›› 2003, Vol. 24 ›› Issue (4): 61-63.

• Biological resources • Previous Articles     Next Articles

A New Species of Cave Sinocyclocheilus in Guizhou and Its Adaptation Comment


  1. (1.Heilongtan Reservoir of Shilin,Shilin 652200,Yunnan China;2.The Management of Maolan National Reserve Guizhou,Libo 558460,Guizhou China)
  • Online:2003-12-15 Published:2012-11-06

Abstract: This paper describes a new species of the genus Sinocyclocheilus Fang 1936,collected from the cave in Libo County,Guizhou China.Sinocyclocheilus hugeibarbus,Li,et Ran,sp,nov (Fig.1)Holotype No.200210005,total length 258 mm,standard length 207 mm,collected in autumn 2002 from a cave of Libo County (25°20′N,107°41′E  altitude 790 m)   in Guizhou Province.Paratype 4 specimens No.200210001~004,Total length 237~256 mm,standard length 187~217 mm,collected with the holotype.Description:D.ⅲ.7;A.ⅱ,5;p.ⅰ,14;V.ⅰ.8;Branched caudal fin rays 17.Lateral lin scales 66(28~31)/(14~16-V)71.Gill-rakers 2+4~6.Pharyngeal teeth 3 rows 2,3,4/4,3,2.Body depth in standard length 2.58~2.72(2.64).Head length 3.18~3.98(3.90),length of caudal peduncle 4.09~4.92(4.55).Depth of caudal peduncle 6.89~7.75(7.15).Snout in head 2.58~2.77(2.68),eye 8.17~12.00(10.42),interorbital 3.27~4.04(3.50).Depth of caudal Peduncle 1.50~1.71(1.58) in its length.Diagnasis: The new species is similar to S.altishoulderus Li et Lan (1992),but differs from the latter in:lateral line scales 66(28~31)/(14~16-V)71;Vs 54(14 17)/(~11-V)58;barbel huge and thick;body depth in standard length 2.58~2.27(2.64);Vs 2.90~3.30;interorbital 3.27~4.07 (3.50) in head;Vs 4.70~5.80(5.30),ect,Tab.1.

Key words: new species, cave adaptation, Sinocyclocheilus, Guizhou

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