Download Trewavas (1935) - The Cichlid Fishes of Lake Malawi ...

108 ,Dr. Ethelwynn Trewavas onless emarginate caudaI fin, as we11 as a different coloration.The teeth are conical, in 4 series, with 68 in the outer seriesof the upper jaw. There are 34 scales in a longitudinal series.100. Haplochromis longimanus, sp. n.Forty specimens, 85 to 145 mm. in total length, from thesouth end of the lake.Closely related to H. rnicrentodon, from which it differsin the number of gill-rakers. Also the eye is usually a littlesmaller in specimens of a given size.101. Rnplochromis micrentodon Regnn.Haplochromia micrentodon Regan, t. c. p. 716, text-fig. 27.Three specimens, 110 to 150 mm. in total length, from thesouth end of the lake.12. COREMATODUS Boulenger, 1896.Coremtodus Boulenger, Cat. Afr. Fish. iii. 1916, p. 494, fig. 342.1. Corematodus shiranus Boulenger.Cormotodua uhiranua Boulenger, Proc. Zool. Soc. London, 1896,p. 919, fig. 4.Diameter of eye 38 to 5 in length of head, equal to or greaterthan preorbital depth ; interorbital width 24 to 4 in lengthof head. Teeth in about 10 (young) to 20 series in broadestpart of upper jaw. 31 to 34 scales in a longitudinal series.Dorsal XV-XVI 10-12. Anal I11 9-10. Caudal truncate.5 to 10 narrow blackish cross-bars on body, the first fromorigin of dorsal to opercular spot; one or two transversebands on nape and one or two curved bands from eye to eye.Thirteen specimens, 86 to 230 mm. in total length, fromthe south end of the lake and the Upper Shire River.2. Coremtodus taniatus, sp. n.Diameter of eye 3 to 34 in length of head, much greaterthan prajorbital depth ; interorbital width 3& to nearly 5in length of head. Teeth in about 7 (young) to 10 series inbroadest part of upper jaw. 31 to 33 scales in a longitudinalseries. Dorsal XV-XVII 9-10. Anal I11 8-10. Caudaltruncate or slightly emarginate. An oblique dark band fromnape to base of caudal ; a series of spots at base of dorsal.About thirty specimens, 82 to 170 mm. in total length,artd a few smaller (coll. Christy).13, Doc~~onus Boulenger, 1896.A single species, D. johnsfoni Boulcngcr (1896, and Cat.Afr. Fish. iii. p. 282, fig. 192 (1915) ; Regan, t. c. p. 722).