The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . rorbital width and contained 3 to 35 timesin length of head ; mouth extending to below anterior border of eye ; cheek naked ;a few deciduous scales on opercle; nasal, frontal, prreorbital, suborbital, prae-opercular, and mandibular bones cavernous, with large cavities covered with thin skinand separated by narrow septa. Gill-rakers short, 17 on lower part of anterior 9-11 ; spines increasing in length to the sixth or seventh, whichmeasures h length
The Tanganyika problem; an account of the researches undertaken concerning the existence of marine animals in Central Africa . rorbital width and contained 3 to 35 timesin length of head ; mouth extending to below anterior border of eye ; cheek naked ;a few deciduous scales on opercle; nasal, frontal, prreorbital, suborbital, prae-opercular, and mandibular bones cavernous, with large cavities covered with thin skinand separated by narrow septa. Gill-rakers short, 17 on lower part of anterior 9-11 ; spines increasing in length to the sixth or seventh, whichmeasures h length of head ; soft rays scarcely longer. Pectoral very pointed, as longas or a little longer than the head. Ventral reaching origin of anal. Anal III. 7-8 ;third spine nearly as long as dorsals. Caudal deeply notched, crescentic. Caudalpeduncle nearly twice as long as deep. Scales 30-32? ; lat. 1. 5-14. Silvery,brownish above, a large rounded black spot on posterior third of spinous part ofdorsal, rarely followed by a second. Total length, 120 millim. Described from several specimens from the Usambura Market. , v -v-^^^^l^W^. Gephyrochromis moorii. See p. 196.
Size: 2708px × 923px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectm, booksubjectzoology
