128 



MASTACEMBELID.E. 



Dorsal XXV-XXVll 70-80; spines very short ; distance between 

 first spine and liead i length of latter. Anal II 70-80. Caudal 

 rounded. Pectoral \ length of head. Scales extremely small, 30-3.'» 

 between origin of soft dorsal and lateral line. Brown, tail with 

 a widc-raeshed blackish network ; dorsal and anal fins whitish, 

 with a series of blackish spots or vertical burs ; anal and caudal 

 edged with blackish. 



Total length 440 milliin. 



Lake Tanganyika. 

 1-2. Tv|)os. Mbity Rocks. 



3-7. Yy;. 



Utuita. 



Prof. J. E. S. Moore (C). 

 Dr. W. A. Cunniiijvton (('.). 



Fig. 81. 



Mastacemhelus moorii. 

 Type (Tr. Z. S. 1S9S). |. 



17. MASTACEMBELUS SHIRANUS. 

 Giinih. Ann.& Mag. N. II. [C] xvii. IS^tH, ],. ;U17 ; Bouleno-. Tr. Zoi.I. S„c. xv. 

 18'.1S, p. 2:'.. 



Depth of body 12 to 14 times in total length. Icngtli of head 7 to 8 

 times. Vent equally distant from end uf snout and from caudal, ils 

 distance from head 2| to 3 times length of latter. Snout 3 times as 

 long as eye, ending in an appendage which is as long as o\- slightly 

 longer than eye ; mouth extending to below anterior border of eye ; 

 no priEorbital or prieopercular spines. Dorsal XXVl-XXIX 05-70; 

 spines short, last about li diameters of eye; distance between first 

 spine and head | length ot latter. Anal II 60-65; first spine very 

 short, often indistinct. Caudal rounded. Scales very small, 18-22 

 between origin of soft dorsal and lateral line, (ireyish or l)rownish, 

 spotted or handsomely marbled with dark brown; dark brown streak 



