title: A new diminutive sisorid catfish (Actinopterygii: Siluriformes) from northeastern India.
abstract: This study describes a new diminutive sisorid catfish from the upper reaches of the Karnaphuli River drainage in northeastern India. The new species can be distinguished from congeners in having a combination of: length of dorsal-fin spine 18.0-21.6% SL; 4-10 serrations on the anterior edge of the dorsal spine; length of pectoral-fin spine 20.7-26.1% SL; length of adipose-fin base 21.5-26.3% SL; body depth at anus 12.3-15.9% SL; caudal peduncle depth 7.5-9.8% SL; caudal peduncle length 17.0-20.5% SL; pale, y-shaped marking on dorsal surface of head; sides of body with pale yellowish patches and irregular bands.
authors.affiliation: c/o Lee Kong Chian Natural History Museum, National University of Singapore, 2 Conservatory Drive, Singapore 117377.; Email: heokhee.ng@gmail.com.
authors.forename: Heok Hee
authors.initials: HH
authors.lastname: Ng
authors.affiliation: Department of Zoology, Pachhunga University College, Aizawl, Mizoram 796001, India.; Email: lrl_zoo@yahoo.co.in.
authors.forename: Lalramliana
authors.initials: L
authors.lastname: Lalramliana
authors.affiliation: Department of Environmental Science, Mizoram University, Aizawl, Mizoram 796004, India.; Email: samuellrna@gmail.com.
authors.forename: Samuel
authors.initials: S
authors.lastname: Lalronunga
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D002397:Catfishes / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D017753:Ecosystem; D005260:Female; D007194:India; D008297:Male; D009929:Organ Size; D045483:Rivers