. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 512 1. MALOPTERURUS ELECTRIOUS. Raja torpedo, Forsk. Descr. Anim. p. 15 (1775). Le Trembleur, Brousson. Mem. Ac. Sci. 1782, p. 692, pi. xvii. (1785). Silurus electricus, Gmel. Syst. Nat. i. p. 1351 (1789). Malapterurus electricus, Lacep. Hist. Poiss. v. p. 91 (1803) ; I. Geoffr. Descr. Egypte, Poiss. p. 291, pi. xii. (1827); Joannis, Mag. Zool. 1835, Poiss. pi. i.; Guv. & Val. Hist. Poiss. xv. p. 518, pi. ccoelv. (1840); Giinth. C
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 512 1. MALOPTERURUS ELECTRIOUS. Raja torpedo, Forsk. Descr. Anim. p. 15 (1775). Le Trembleur, Brousson. Mem. Ac. Sci. 1782, p. 692, pi. xvii. (1785). Silurus electricus, Gmel. Syst. Nat. i. p. 1351 (1789). Malapterurus electricus, Lacep. Hist. Poiss. v. p. 91 (1803) ; I. Geoffr. Descr. Egypte, Poiss. p. 291, pi. xii. (1827); Joannis, Mag. Zool. 1835, Poiss. pi. i.; Guv. & Val. Hist. Poiss. xv. p. 518, pi. ccoelv. (1840); Giinth. Cat. Fish. v. p. 219 (1864) ; Peters, Mon. Berl. Ac. 1868, p. 121, and Reise Mossamb. iv. p. 41 (1868); Giinth. Petherick's Trav. ii. p. 240 (1869) ; G. Fritsch, Elektr. Fische, i. (1887) ; Ballowitz, Elekt. Org. Arr. Zittenvels. (1899) : Bouleng. Poiss. Bass. Congo, p. 338, pi. xvi. fig. 2 (1901), and Fish. Nile, p. 395, pis. lxxvii. & lxxviii. (1907). Rahad, Rifaud, Voy. Egypte, pi. 192 (1835). Malapterurus beninensis, And. Murray, Edinb. New Philos. Journ. (2) ii. 1855, p. 49, pi. ii.; Giinth. Cat. Fish. v. p. 220; Lonnb. Ofv. Forh. Stockh. 1895, p. 187. Malapterurus ajfiuis, Giinth. 1. c. Malapterurus electricus, var. bgoensis, Sauv. Bull. Soc. Philonl. (7) iii. 1878, p. 99, and N. Arch. Mus. (2) iii. 1880, p. 45, pi. i. fig. 3. Depth of body 4 to 5J times in total length, length of head 4 to 5 times; back flattened, sometimes feebly grooved along the spine. Head Fig. Malopterurus electricus. Nile (F. N.). i as long as broad or a little longer than broad ; snout rounded, about \ length of head; lower jaw sometimes slightly projecting ; eye very small, lateral, its diameter 6 (young) to 15 times in length of head ; interocular region \ (young) to f length of head; maxillary barbel \ to f length of head ; outer mandibular barbel longer, often reaching root of pectoral or a little beyond. Adipose dorsal low, 3 to 5 times as long as deep, narrowly separated fr
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