. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 40 verse series between dorsal and ana]. Yellowish ; a dark spot on the gill-cover, and another at the root of the caudal fin. Total length 120 millim. Portuguese Guinea and Lower Niger. 1. Type. Gunnel R., affluent of Cacheu R., Dr. W. J. Ansorge (C). Portuguese Guinea. 2-3. Ad. Bissau, Portuguese Guinea. ,, 4-6". Ad. Degama, Lower Niger. „ Fig. Oobius occidentalis. Type. 3. NEMATOGOBIUS. Bouleng. Ann. & Mag. N. H. (8) v
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 40 verse series between dorsal and ana]. Yellowish ; a dark spot on the gill-cover, and another at the root of the caudal fin. Total length 120 millim. Portuguese Guinea and Lower Niger. 1. Type. Gunnel R., affluent of Cacheu R., Dr. W. J. Ansorge (C). Portuguese Guinea. 2-3. Ad. Bissau, Portuguese Guinea. ,, 4-6". Ad. Degama, Lower Niger. „ Fig. Oobius occidentalis. Type. 3. NEMATOGOBIUS. Bouleng. Ann. & Mag. N. H. (8) vi. 1910, p. 560. Distinguished from Golins by the presence of a pair of barbels on the chin and of one to the anterior nostrils. A single species. 1. NEMATOGOBIUS ANSORGTT. Bouleng. 1. c. and Ann. Mus. Congo, Zool. ii. 3, p. 26, pi. xvii. fig. 8 (1912). Body feebly compressed; depth of body 5 to 6 times in total length, length of head 3^ to 3J times. Head naked, 1J to If times as long as broad, broader than deep ; snout short, rounded; jaws equal in front or lower slightly projecting; eye 4 to 4^ times in length of head; interorbital space very narrow; mouth extending to below centre of eye; teeth in villiform bands ; no canines; very regular series of sensory papilla? on the head ; mental barbels nearly as long as eye, nasals shorter. Dorsals VI, 111-12, contiguous; longest ray \ to § length of head. Anal I 9, originating a little further back than second. 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. London : Printed by order of the Trustees : Sold by Longmans & Co. , B. Quaritch, Dulau & Co. , and at the British Museum (Natural History)
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