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Gnathonemus Stock Photos and Images
RMFJ66YP–Peter's worm-jawed mormyrid, Peter's elephant nose, elephantnose fish, Longnosed Elephant fish (Gnathonemus petersii, Gnathonemus brevicaudatus, Mormyrus petersii), swimming
RMEBN9RD–Peter's worm-jawed mormyrid, Peter's elephant nose, elephantnose fish, Longnosed Elephant fish (Gnathonemus petersii), swimming
RMFJ678N–Peter's worm-jawed mormyrid, Peter's elephant nose, elephantnose fish, Longnosed Elephant fish (Gnathonemus petersii, Gnathonemus brevicaudatus, Mormyrus petersii), swimming
RMWTB8T8–Elefantenrüsselfisch, Elefantenrüssel-Fisch, Elefanten-Rüsselfisch, Gnathonemus petersii, Gnathonemus brevicaudatus, Mormyrus petersii, Peters' elepha
RMEBHA1N–Peters worm-jawed mormyrid, Peters elephant nose, elephantnose fish (Gnathonemus petersii).
RMP8053F–Mormyrus tamandua = Campylomormyrus tamandua (Günther, 1864) Mormyrus petersii = Gnathonemus petersii (Günther, 1864) English: Elephantnose Fish (above); Wormjawed Mormyrid (below) . 1864 (published 1865) 277 MormyrusJury
RFR0H5JY–The growth stage of unusual Elephant nosed fish Gnathonemus petersi are isolated on a white background. Vector illustration.
RM2AX7HDC–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . Bentley (C). 3. Skel. „ „ 4. Hgr. Irebu. M. P. Delbez (C.).5-6. Yg. Upper Congo. Brussels University. 28. GNATHONEMUS RHYNCHOPHORUS.Bouleng. Ann. Mus. Congo, Zool. i. p. 13, pi. v. fig. 2 (1898), Proc. Zool. Soc.1898, p. 810, pi. li., and Poiss. Bass. Congo, p. 105 (1901). Depth of body equal to length of head, 3|- to 4 times in total length.Upper profile of head descending in a strong curve; snout muchprolonged, tubiform, strongly compressed, curved downwards, its length2 to 2^ times postocular part of hea
RM2EA6DX3–Gnathonemus petersii. A species of electric elephant fish in the Mormyridae family present in several watersheds in Africa, including the Nile River and lakes Victoria, Kyoga, Alberto, Eduardo and George. It is native to Burundi, Egypt, Ethiopia, Kenya, Rwanda, Sudan, Tanzania, and Uganda. Old 19th century engraved illustration from El Mundo Ilustrado 1879
RMPFE710–. Denkschriften - Österreichische Akademie der Wissenschaften. Ichthyologische Auf Sammlungen in Deutsch-Ostafrika. 61 I. Gnathonemus graeverti n. sp. Char.: Schnauze kürzer als der postorbitale Teil des Kopfes. Anale vor der Dorsale beginnend. Kieferzähne konisch. Rumpfhöhe zirka 37^ mal in der Körperlänge (ohne Caudale). Schwanz- stiel 2% mal länger als hoch. 12 Schuppen rings um den Schwanzstiel. Ein überhängender, blattförmiger Mentallappen. D. 2/19. A. 3/26. L. 1. 69—70. L. tr. 10/1/14 zwischen dem Beginne der Dorsale und der Anale. Die Einlenkungsstelle der Ventrale fällt bedeutend näher
RM2AX8BRX–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . Gnathonemus monteiri. Type. Total length 450 milliin.Congo, Lake Bangwelu. 1-3. Hgr., types. Boma, Lower Congo. J. J. Mouteiro, Esq. (C.) 4. Ad. i) » M. P. tfelhez (C). 5. Skel. »> » >> 6-7. Ad. Irebu, Upper Congo. » 8. Ad. Upper Congo. Brussels University. 9-10. Ad. L. Bangwelu. F. H. Melland, Esq. (P-) 13. GNATHONEMUS MENTO.Mormyrus mento, Bouleng. Ann. & Mag. N. H. (6) vi. 1890, p. 193 ; Steind. Notes Leyd. Mus. xvi. 1894, p. 72.Gnathonemus mento, Bouleng. Proc. Zool. Soc. 1898, p. 807. Depth of
RM2AWR52K–Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . millim. jNiger, Old Calabar, Cameroon, Congo. 1-2. Yg.P.. Hor., typo.4-G. Ad. ct yg.7-<S. Ad.9. Ad.10. Yg. Ogata, Lower Niger.Old Oalal)ar. Monsembe, Ui)per Congo.Stanley Falls. Banzyville, Ubanglii. Dr. ^y. J. Ansorge (0.).Dr. A. Guntlier (P.).Rev. J. H. Weeks (P.).Rev. W. H. Bentley (C).M. De Meuse (C).Capt. Royaux (C). .5. GNATHONEMUS LONGIBARBIS. Mormj/ms jwfersu (non Giintli. 18G2), Giinth. Pethericks Trav. ii. p. 25G (18()9).Mormyrus longibarhis, Hilgend. Sitzl). Ges. nat. Fr. Berlin, ISSS, p. 7
RM2AX7GBM–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . One of the types. Banzyville. Oapt. Royaux (C). 30. GNATHONEMUS CURVIROSTRIS. Bcmleng. Ann. Mus. Congo, Zool. i. p. 13, pi, vi. fig. 1 (1898), Proc. Zool. Soc.1898, p. 811, and Poiss. Bass. Congo, p. 106 (1901). Depth of body 4§ times in total length, length of head 3| times.Upper profile of head descending in a strong curve ; snout much pro-longed, tubiform, strongly compressed, curved downwards, its length 3^times postocular part of head, and 12 times its least depth, which a littleexceeds diameter of eye
RM2AWPMJP–Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . the types. Banzyville. Capt. Rojaux (C). 30. GNATHONEMUS CURVIROSTRIS. Bouleng. Ann. Mus. Conoo, Zool. i. p. 13, pi. vi. fig. 1 (1898), Proc. Zool. Soc.1898, p. 811, and Poiss. Bass. Congo, p. 106 (1901). Depth of body 4f times in total length, length of head 3J times.Upper profile of head descending in a strong curve; snout much pro-longed, tubiform, strongly compressed, curved downwards, its length 3Jtimes postocular part of head, and 12 times its least depth, which a littleexceeds diameter of eye ; la
RM2AWR06H–Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . Mem. Ac. St. Petersb. (7) vii. 1864, no. 4, p. 137.Gnathonemus cyprinoides, Bouleng. Proc. Zool. Soc. 1808, p. 805, Pois.-?. Bass. Congo, p. 96 (1901), and Fish. Nile, p. 50, pi. vi. fig. 2 k pi. vii. fig. 3 (1907). Depth of body 3 to 4 times in total length, length of head 4 to5J times. Head slightly longer than deep, with curved upper profile;snout about length of head ; mouth small, on a line with lower borderof eye; chin with a globular dermal appendage ; teeth minute, conical, GNATHONEMUS. Ill 5 i
RM2AX8B8X–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . m&*. Gnatlioncmus mcnto.Type, f Total length 190 millim.Gaboon, Liberia.1. Type. Gaboon. 14. GNATHONEMUS STANLEYAKUS.Mormyrus stanleyaims, Bouleng. Ann. & Mag. N. H. (6) xx. 1897, p. 2(Jfi.Gnatlionemus stanleyaims, Bouleng. Proc. Zool. Soc. 1898, p. 806, and Pois,?. Bass. Congo, p. 97 (1901).Gnatkonemus senegalensix (non Steind.), Bouleng. Proc. Zool. Soc. 1900, p. 512. Depth of body 3^ to 4J times in total length, length of head 4-^ to5 times. Head not or but slightly longer than deep, with feebly carved,d
RM2AX88ET–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . em. Ac. St. Petersb. (7) vii. 1864, no. 4, p. 137.Gnathonemus cyprinoides, Bouleng. Proc. Zool. Soc. 1898, p. 805, Poiss. Bass. Congo, p. 96 (1901), and Fish. Nile, p. 50, pi. vi. fig. 2 & pi. vii. fig. 3 (1907). Depth of body 3 to 4 times in total length, length of head 4 to5J times. Head slightly longer than deep, with curved upper profile;snout about length of head ; mouth small, on a line with lower borderof eye; chin with a globular dermal appendage; teeth minute, conical, GNATHONEMUS. Ill 5 in upper
RM2AX7K1Y–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . l, 16 round caudal peduncle. Brownish above, silvery whitebeneath. Total length 240 millim. Upper Niger.J. Type. Jefeba. Capt. G. F. Ahadie (P.). ?>:>. GNATHONEMUS TAMANDUA. Mormyitis tamandua, Giinth. Proc. Zool. Soc. 1864, p. 22, pi. ii. fig. 1. and Cat. Fish. vi. p. 217 (1866).Gnathonemux tamandua, Bouleng. Proc. Zool. Soc. 1898, p. 809, and Poiss. Bass. (ongo, p. 102 (1901).Cumpylornormyrus tamandua, Pappenh. Mittli. Zool. Mus. Berl. iii. 1907, p. 359, pi. ii. figs. 2 & 3. Depth of body 4 to 4-J-
RM2AX87X1–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . L. Loat, Esq. (C). 41-48. Hgr. Fashoda, „ )> 49. Ad. Tewfikyeh, „ » 50. Ad. Lake N.E. of Gondokoro. 55 51. Ad. Jebba, Tipper Niger. Capt. G. F. Abadie(P.). 52. Yg. Agberi, Lower Niger. Dr. W. J. Ansorge (C). 53-54. Ad. & hgr. Niger. Mr. J. T. Dalton (C). 55-57. Ad. Stauley Falls. Eev. W. H. Bentley (C.) 18. GNATHONEMUS MACROLEPIDOTUS.Mormyrus macrolepidotus, Peters, Mon. Berl. Ac. 1852, p. 275 ; Giinth. Cat. Fish. vi. p. 219 (1866) ; Peters, Eeise Mossamb. iv. p. 79, pi. xv. fig. 1 (1868).Mormyrops macro
RM2AWPYME–Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . r Luxor. Assuan. Khartum. Shederah, White Nile. Fashoda, „ Tewfikyeh, „ Lake N.E. o£ Gondokoro. Jebba, Tipper Niger. Agberi, Lower Niger. Niger. Stanley Falls. L. Loat, Esq. (C). J. Petherick, Esq. (C).L. Loat, Esq. (C). Capt. G. F. Abadie(P.).Dr. W. J. Ansorge (C).Mr. J. T. Dalton (C).Rev. W. H. Bentley (C). 18. GNATHONEMUS MACROLEPIDOTUS. Mormynis macrolepidotus, Peters, Mou. Berl. Ac. 1852, p. 275 ; Giinth. Cat. Fish. vi. p. 219 (18G6) ; Peters, Reise Mossamb. iv. p. 79, pi. xv. fig. 1 (1808).Mormijro
RM2AWPPHG–Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) .. . Total length 380 millim. Congo.—Types in Congo Museum, Tervueren. 1-2. Ad. & ligr., two o£ Upoto, Upper Congo. the types.3. Yg.4-5. Yg. 6. Hgr. 7. Yg. Banzyville, Ubanglii.Stanley Pool.Bonia, Lower Congo.Lower Con20. Capt. Wilverth (C). Capt. Royanx (C).M. De Meuse (C).M. P. Delliez (C).Rev. J. Pinnock (C^). 29. GNATHONEMUS IBIS.Bouleng. Ann. Mus. Congo, Zool. ii. p. 25, pi. vii. fig. 4 (1002). Depth of body 4J to 4f times in total length, length of head 3,^ to 3Jtimes. Snout produced into a long, strong
RM2AX7JRP–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . Monsembe, „5-6. Ad. Upoto, „7-8. Ad. & hgr. Upper Congo. Mr. J. T. Dalton (C).J. S. Budgett, Esq. (P.Rev. G. Grenfell (P.).Rev. J. H. Weeks (P.).Capt. Wilvevth (C).Brussels University. 26. GNATHONEMUS MIRUS.Bouleng. Ann. Mus. Congo, Zool. i. p. 11, pi. iii. fig. 2 (1898), Proc. Zool. Soc.1898, p. 810, and Poiss. Bass. Congo, p. 103 (1901). Depth of body 3^- times in total length, length of head 4 times. 120 MORM1KIDJE. Upper profile of head descending in a strong cnrve; snout muchprolonged, tubiforra, stron
RM2AX7GR3–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . h 380 millim. Congo.—Types in Congo Museum, Tervueren. 1-2. Ad. & hgr., two of Upoto, Upper Congo. Cap! Wilverth (O.J. the types. 3. Yg. Banzyville, Ubanghi. Capt. Royaux (C.). 4-5. Yg. Stanley Pool. M. De Meuse (C). G. Hgr. Boma, Lower Congo. M. P. Delliez (C). 7. Yg. Lower Congo. Bev. J. Pinnoek (C). 29. GNATHONEMUS IBIS.Bouleng. Ann. Mus. Congo, Zool. ii. p. 25, pi. vii. rig. 4 (l!02j. Depth of body i to 4-f times in total length, length of head 3^ to 3$times. Snout produced into a long, strongly compre
RM2AX8ME9–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . er, Old Calabar, Cameroon, Congo. Dr. W. J. Ansovge (C.)-Dr. A. Giinther (P.).Rev. J. H. Weeks (P.).Rev. W. H. Bentley (C).M. De Meuse (C).Capt. Royaux (C). 1-2. Yg. Ogiita, Lower Niger. 3. Hor., ty pe. Old Calabar. 4-6. Ad. & yg- Monsembe, Upper Congo 7-8. Ad. Stanley Falls. 9. Ad. .. 0. Yg. Banzyville, Ubanglii. 5. GNATHONEMUS LONG1B ARRIS. Mormyrus petersii (non Glintli. 1802), Giinth. Petherick s Trav. ii. p. 25G (18G9).Mormyrus longibarftis, Hilgend. Sitzb. Ges. nat. Fr. Berlin, 1888, p. 78.Gnalhonemus
RM2AX7RFK–Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History) . 5 timesas long as deep, as long as head. 72-80 scales in lateral line, 13-16 19-21! in 11-14 transverse series on body, j^ryg in transverse series between dorsal andanal, 12 round caudal peduncle. Silvery, olive on the back. Total length 108 millim. Congo. 1-3. Ad. Boma, Lower Congo. M. P. Delhez (C). 4. Skel. 1) )! f9 5. Hgr. Kondue, ,, M. Lirja (€.). 6- Hgr., type. Kinshassa, Stanley Pool. M. A. Greshoff (C). 7. Ad. Dolo, ,, M. P. Delhez (C). 8-9. Ad. Uerre. M. De Bauw (G). IIS MORMYRID.E. 24. GNATHONEMUS
RMRGGC87–. Bulletin of the British Museum (Natural History). 32 p. H. GREENWOOD Marcusenius victoriae (Worthington) (Text-fig. 2G) This species closely resembles M. cyprinoides (and like that species was formerly included in the genus Gnathonemus). The musculature too is virtually identical with that of M. cyprinoides, although the anterior intermandihularis (text-fig. 14) is a little further reduced in size, and the muscle connecting the fourth and fifth ceratobranchials is present. Gnathonemus longibarbis (Hilgendorf) (Text-fig. 2H) The snout is moderately short (especially as compared with other Gna
RMRFA24P–. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. Gnathonemus thomasi. Type. 14. GNATHONEMUS STANLEYANUS, Blgr. Add :— 7. Ad. Sankuru R. at Kondne, Kasai. M. E. Luja (C.) ; Luxem- burg Museum (P.). 15. GNATHONEMUS SENEGALENSIS, Stdr. Pellegr. Poiss. Bass. Tchad, p. 53, pi. ii. fig. 4 (1914). Add :— 11. Hgr. Oyan R., Niger. A. E. Kitson, Esq. (P.). 16. GNATHONEMUS ANGOLENSIS, Blgr. Recorded from the Upper Zambesi by Pellegrin, Bull. Soc. Zool. France, xxxix. 1914, p. 24. * No doubt a congenital
RMRF1TGP–. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. Gnathonemus thomasi. Type. 14. GNATHONEMUS STANLEYANUS, Blgr. Add :— 7. Ad. Sankuru R. at Kondne, Kasai. M. E. Luja (C.) ; Luxem- burg Museum (P.). 15. GNATHONEMUS SENEGALENSIS, Stdr. Pellegr. Poiss. Bass. Tchad, p. 53, pi. ii. fig. 4 (1914). Add :— 11. Hgr. Oyan R., Niger. A. E. Kitson, Esq. (P.). 16. GNATHONEMUS ANGOLENSIS, Blgr. Recorded from the Upper Zambesi by Pellegrin, Bull. Soc. Zool. France, xxxix. 1914, p. 24. * No doubt a congenital
RMRN3MNG–. Annalen des Naturhistorischen Museums in Wien. Naturhistorisches Museum (Austria); Natural history. Zur Ethologie der Mormyriden. 293. Fig. 7. Maicuseniiis plagiostovia (n. Boulcnger, Materiaux pour etc.). bereits bei einer Reihe von Marcusenius-Anen auftreten (s. Fig. 7), innerhalb dieser Gattung aber keine Weiter- bildung erfahren, obwohl der Zahnreduktion nach die Spe- zialisation fortschreitet. Im Genus Gnathonemus dagegen. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illust
RMRGJFXD–. Bulletin of the British Museum (Natural History). p. H. GREENWOOD. Fig. 2. Outline drawings, not to scale, of various mormyrid species; A. Mormyyus hannume. B. Mormyriis caschive. C. Mormyrus lacerda. D. jMormyms hasselquisli. E. Cyphomyrus discorhynchus. F. Marcusenius cyprinoides. G. Marcusenitis vicloriae. H. Gnathonemus longibarbis. I. Campylomormyrus elephas. J. Petrocephalus bane. K. Isichthys henryi. L. Mormyrops anguilloid.es. M. Hyperopisus bebc. N, Gy»»i- narchus niloticus.. Please note that these images are extracted from scanned page images that may have been digitally enhanced f
RMRN3MN5–. Annalen des Naturhistorischen Museums in Wien. Naturhistorisches Museum (Austria); Natural history. Fig. 7. Maicuseniiis plagiostovia (n. Boulcnger, Materiaux pour etc.). bereits bei einer Reihe von Marcusenius-Anen auftreten (s. Fig. 7), innerhalb dieser Gattung aber keine Weiter- bildung erfahren, obwohl der Zahnreduktion nach die Spe- zialisation fortschreitet. Im Genus Gnathonemus dagegen. beginnt die Reihe mit einer Fig. 8. (imitlionemus laitucusis (schem. Zeichnung n. Roulenger, Materiaux pour etc.. Please note that these images are extracted from scanned page images that may have been
RMRN3MMJ–. Annalen des Naturhistorischen Museums in Wien. Naturhistorisches Museum (Austria); Natural history. Fig. 9. Gnathonemus cyprinoides (schem. Zeiciinung n. Boulenger, The Fishes etc.). ähnlich primitiven Zahnfor rael und erreicht mit einer Zahnarmen Form (Gn. longi- 6<3r6/5)den Höhepunkt. Wenn wir dazu die vielfachen Ähn- lichkeiten der beiden Gattun- gen im Gesamtbau und der Be- flossung in Rechnung ziehen, wird es zumindest sehr wahr- scheinlich, daß dieseGenera in sehr engem phylogenetischen Verhältnis zueinander stehen, zumal eine gesonderte An- lage dieser Schwellungen ohne Weiterentwi
RMRN3MMT–. Annalen des Naturhistorischen Museums in Wien. Naturhistorisches Museum (Austria); Natural history. beginnt die Reihe mit einer Fig. 8. (imitlionemus laitucusis (schem. Zeichnung n. Roulenger, Materiaux pour etc.. Fig. 9. Gnathonemus cyprinoides (schem. Zeiciinung n. Boulenger, The Fishes etc.). ähnlich primitiven Zahnfor rael und erreicht mit einer Zahnarmen Form (Gn. longi- 6<3r6/5)den Höhepunkt. Wenn wir dazu die vielfachen Ähn- lichkeiten der beiden Gattun- gen im Gesamtbau und der Be- flossung in Rechnung ziehen, wird es zumindest sehr wahr- scheinlich, daß dieseGenera in sehr engem
RMRCYMAG–. Denkschriften - Österreichische Akademie der Wissenschaften. Ichthyologische Auf Sammlungen in Deutsch-Ostafrika. 61 I. Gnathonemus graeverti n. sp. Char.: Schnauze kürzer als der postorbitale Teil des Kopfes. Anale vor der Dorsale beginnend. Kieferzähne konisch. Rumpfhöhe zirka 37^ mal in der Körperlänge (ohne Caudale). Schwanz- stiel 2% mal länger als hoch. 12 Schuppen rings um den Schwanzstiel. Ein überhängender, blattförmiger Mentallappen. D. 2/19. A. 3/26. L. 1. 69—70. L. tr. 10/1/14 zwischen dem Beginne der Dorsale und der Anale. Die Einlenkungsstelle der Ventrale fällt bedeutend näher
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