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|Two new glyptosternine catfishes (Teleostei: Sisoridae) from Vietnam and China|
by Heok Hee Ng
resenting a short abstract from the latest paper (Feb. 2004) from Heok Hee Ng.
macropterus new species, is described
from the Salween River (Nujiang) and Irrawaddy River
drainages in southern China, and P. rhabdurus
new species, is described from the Red River (Song
Hong) drainage in northern Vietnam. Pareuchiloglanis
macropterus can be distinguished from congeners
by the following unique combination of characters:
prepelvic length 37.0– 42.2% SL; length of adipose-fin
base 31.8–37.0% SL (dorsal-fin base 3.3–3.5
times in adipose-fin base); caudal peduncle length
17.6–20.0% SL; caudal peduncle depth 6.8–7.4%
SL (2.4–3.0 times in caudal peduncle length);
body depth at anus 9.5–12.6% SL; snout length
50.3–56.5% HL; interorbital distance 24.6–30.2%
HL; 41–42 vertebrae; pectoral fin reaching to
pelvic-fin origin; ventral limit of gill opening to
level of third or fourth pectoral-fin element; posterior
base of adipose fin notched and separate from caudal
fin; and presence of pale patches on body.
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