. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. CIIRYSICHTHYS. 339 18. CHRYSICHTHYS MYRIODON. Bouleng. Ann. Mus. Congo, Zool. i. p. 139, pi. li. (1900), Poiss. Bass. Congo, p. 284 (1901), and TV. Zool. Soc. xvi. 1901, p. 147. Depth of body 4J to 5 times in total length, length of head 3^ to 3J times. Head much depressed, 1^ to lj times as long as broad, rough on vertex and occiput; occipital process in contact with interneural shield; snout broadly rounded, scarcely projecting beyond lower jaw, ^ length of head; eye 3J (yo
. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. CIIRYSICHTHYS. 339 18. CHRYSICHTHYS MYRIODON. Bouleng. Ann. Mus. Congo, Zool. i. p. 139, pi. li. (1900), Poiss. Bass. Congo, p. 284 (1901), and TV. Zool. Soc. xvi. 1901, p. 147. Depth of body 4J to 5 times in total length, length of head 3^ to 3J times. Head much depressed, 1^ to lj times as long as broad, rough on vertex and occiput; occipital process in contact with interneural shield; snout broadly rounded, scarcely projecting beyond lower jaw, ^ length of head; eye 3J (young) to 6 times in length of head, 1^ (young) to 1\ times in interocular width ; width of mouth If to 2 times in length of head ; praemaxillary band of teeth nearly straight, 6 to 7 times as long Fig. Ghrysichthys myriodon. Type (A. M. C). \. as broad; vomero-pterygoid teeth very fine and closely set, forming a long and broad uninterrupted band in the adult (narrower and slightly interrupted in the middle in the young), strongly widening posteriorly; nasal barbel f to f diameter of eye ; maxillary barbel \ to \ length of bead ; inner mandibular barbel \ length of head, outer a little less than i. Gill-rakers 12 (young) to 20 on lower part of anterior arch. Dorsal I 6, once and I as distant from root of caudal as from end of snout; spine nearly | length of head, rugose, not serrated; first and second soft rays longest, about f length of head. Adipose fin longer than deep, its base | that of the dorsal and i to | its distance from the latter. Anal 12-14, 8-10 rays branched. Pectoral spine a little longer and stronger than dorsal, strongly serrated on inner side. Caudal z2. 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 Albert, 1858-19
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