The Fresh Water Fishes of the Island of Formosa. 221 

 27. Pseudogobio brevirostris (".iiniher. 



1868. Pseudogobio brevirostris Gunthkr, Cat. Fish., VII, p. 174; Formosa. 



Head 4.44 in length; depth 5; I). 2, 7; A. 2, 6; P. 13; V. 8; width of 

 head 1.5 in its length; eye 4 in head; interorbital space 3; snout 2; 

 ventral 1.28; pectoral slightly longer than the head; thirty-eight 

 scales in the lateral line, four and one-half scales in an oblique series be- 

 tween origin of dorsal and lateral line, five scales between the latter 

 and the middle of belly; between lateral line and the root of the ventral 

 two scales; pharyngeal teeth 5-5; twenty-seven gill-rakers on first 

 arch. 



Body elongate, not compressed, dorsal profile nearly straight, 

 abdomen rounded; head squarish, its top flat; snout pointed anteriorly, 

 suddenly depressed in front of the nostrils, tip slightly swollen; 

 mouth inferior, suctorial; upper lip distinctly fringed, lower lip 

 densely tuberculated; each jaw with a transverse, sharp horny edge; 

 eyes moderate, superior, and a little posterior; nostrils close together, 

 anterior nostril in a short tube; interorbital space flat; pharyngeal 

 teeth hooked; gill-rakers quite short, set very closely. 



Origin of the dorsal much nearer the tip of snout than the base of 

 caudal, in advance of that of the ventral, its longest ray nearly as long 

 a§ the head; pectoral fin horizontal, extending beyond the origin of 

 dorsal, middle rays longer; the ventral inserted beneath the middle 

 of base of dorsal; anal fin moderate, second branched ray the longest; 

 caudal fin emarginate, tip of each lobe obtusely pointed. 



Scales rather large, thin, with radiated striae and concentric rings; 

 lateral line continuous, nearly straight, extending along the middle 

 of the sides. 



Color in alcohol pale grayish brown above; lower part of sides and 

 belly whitish, with a longitudinal black band along the lateral line, 

 all the fins whitish, roughly speckled with brown; top of head uniformly 

 gray. 



Total length 92 mm. 



The present description is from a specimen from Tamusui River 

 near Shinten, collected by T. Aoki in December, 1916. 



Habitat: Tamusui River (four specimens). 



Remarks: The nearest relative of the present species is Pseudogobio 

 sinensis'' from China. It differs, however, in having fewer scales in 



* Tylognathus sinensis Kner, Novara Fisch., Ill, 1865, p. 354; Shanghai, China. 

 Pseudogobio sinensis Giinther, Cat. Fish., VII, 1868, p. 175; Shanghai (after 

 Kner). 



