. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. CHBYSICHTHYS. 333 times. Head much depressed, 1J to 1^ times as long as broad, rugose and striated above ; occipital process rather broad, in contact Avith inter- neural shield; snout broadly rounded, projecting very slightly beyond lower jaw, 2 to 3 times diameter of eye, which is 6 to 9 times in length of head and 2 to 5 times in interocular width ; width of mouth once and \ to twice in length of head; prsemaxillary band of teeth curved, 6 to
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. CHBYSICHTHYS. 333 times. Head much depressed, 1J to 1^ times as long as broad, rugose and striated above ; occipital process rather broad, in contact Avith inter- neural shield; snout broadly rounded, projecting very slightly beyond lower jaw, 2 to 3 times diameter of eye, which is 6 to 9 times in length of head and 2 to 5 times in interocular width ; width of mouth once and \ to twice in length of head; prsemaxillary band of teeth curved, 6 to 8 times as long as broad; vomero-pterygoid teeth forming a long and broad band narrowly interrupted in the middle; nasal barbel as Fig. Chrysichihys crancht Type. long as or a little longer than eye; maxillary barbel -f to once length of head; outer mandibular barbel longer than inner, -| to f length of head. Gill-rakers moderate, 10-13 on lower part of anterior arch. Dorsal I 6, 1^- to 1^ times as distant from end of snout and from root of caudal; spine rugose but not serrated, about \ length of head ; first and second soft rays longest, -f to § length of head. Adipose fin \\ times as long as deep, its base a little shorter than or nearly equal to that of the dorsal and \ or a little less than \ its distance from the latter. Anal 12-14, 8-10 rays branched. Pectoral spine about \ length of head, very feebly denticulate on both sides in the adult, strongly serrated on inner side in the young. Caudal deeply notched, longest rays 2 to 2| times the median. Caudal peduncle 1^ to \\ times as long as deep. Dark brown above, white beneath. Total length 1000 millim. Congo and Lake Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Dept. of Zoology; Boulenger, George
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Keywords: ., bookauthorbri, bookcentury1900, bookdecade1900, booksubjectfishes
