416 



CICHLIDyE. 



Ventral produced into a filament, extending to vent or beyond. Caudal 

 feebly emarginate in the adult, truncate in the young. Caudal peduncle 

 1^ to 1| times as long as broad. Scales finely ctenoid, 33-37 rj^jg ; lateral 

 lines igrfj. Olive-brown, with or without oblique cross-bars of mother- 

 of-pearl or silvery white, sometimes with ill-defined dark bars across the 

 the back; a very distinct, blue-black opercular spot; dorsal and anal 

 grey or blackish, often striated or spotted with white, the former edged 

 with yellow and black ; pectorals yellowish, ventrals white ; caudal with 

 white spots and yellow bars, and edged with black or blackish. 



Total length 130 millim. 



Lake Tanganyika. 



1-8. Types. Msambu. 



9. Skel. 

 10. Type. N. end of L. Tanganyika. 



11-12. 

 13-15. 



Ad. 

 Yg. 



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



Kazzaga Market. 

 Mshale. 



Dr. W. A. Gunnington (C). 



Fig. 285. 



Pehnatochromis spekii. 

 Type (F. X.). h 



30. PELMATOCHROMIS SPEKII. 

 Bouleng. Ann. & Mag. N. H. (7) xvii. 1906, p. 440, Fish. Nile. p. 486, pi. Ixxxviii. 

 fig. 2 (1907), and Ann. Mus. Genova, (3) v. 1911, p. 69. 



Depth of body 2§ to 3£ times in total length, length of head 2| to 

 2f times. Head large, 24 to 2J times as long as broad, with straight or 

 slightly concave upper profile ; snout a little longer than broad, 1 (young) 



