. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. CLAEIAS. 257 on both sides, f the length of the fin. Ventrals much nearer end of snout than caudal. Caudal \ length of head. Dark brown. Total length 205 millim. Gambia. 1. Type. Gambia. Mr. J. T. Dalton (C). 25. CLARIAS DUMERILII. Steind. Verh. Gres. Wien, xvi. 1866, p. 766, pi. xiii. fig. 8, & pi. xiv. fig. 5 ; Bouleng. Proc. Zool. Soc. 1907, p. 1085. Depth of body 6 to 7^ times in total length, length of head 4 to 4J times. Head 1^ to 1-J times as long as br
. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. CLAEIAS. 257 on both sides, f the length of the fin. Ventrals much nearer end of snout than caudal. Caudal \ length of head. Dark brown. Total length 205 millim. Gambia. 1. Type. Gambia. Mr. J. T. Dalton (C). 25. CLARIAS DUMERILII. Steind. Verh. Gres. Wien, xvi. 1866, p. 766, pi. xiii. fig. 8, & pi. xiv. fig. 5 ; Bouleng. Proc. Zool. Soc. 1907, p. 1085. Depth of body 6 to 7^ times in total length, length of head 4 to 4J times. Head 1^ to 1-J times as long as broad, smooth above; occipital process angular; frontal fontanelle sole-shaped, about twice as long as broad; occipital fontanelle smaller, usually extending on the occipital process; eye very small, its diameter 3 times in length of snout, 6 or 7 times in interorbital width, which, like the width of the mouth, measures J length of head; band of prsemaxillary teeth 4 times as long Tig. Clarias dumerilii. Type, after Steindachner (I. c). as broad ; vomerine teeth conical or subgranular, forming a crescentic band which, in the middle, is a little narrower than the pramaxillary band ; nasal barbel § to f length of head ; maxillary barbel as long as or a little longer than head, reaching middle or end of pectoral fin; inner mandibular barbel \ to § length of head, about f length of outer. Gill-rakers on first arch not closely set, 12 to 15 in number. Clavicles concealed under the skin. Dorsal 66-72, its distance from occipital process about \ length of head, narrowly separated from caudal. Anal 49-55. Pectoral \ to f length of head, the spine serrated on both VOL. II. S. 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, 1858-1937.
Size: 2626px × 952px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectfishes
