Marcusenius macrolepidotus (Peters, 1852)

Kramer, Bernd, Skelton, Paul, Bank, Herman Van Der & Wink, Michael, 2007, Allopatric differentiation in the Marcusenius macrolepidotus species complex in southern and eastern Africa: the resurrection of M. pongolensis and M. angolensis, and the description of two new species (Mormyridae, Teleostei), Journal of Natural History 41 (9 - 12), pp. 647-708 : 695

Marcusenius macrolepidotus (Peters, 1852)

- Mormyrus macrolepidotus Peters, 1852 . ZMB 3678 (lectotype L. Seegers 13.04.1993) from Tete, Lower Zambezi , Mozambique, with paralectotypes ZMB 6730 (one specimen), 3677 (one specimen), and 32043 (three specimens; Seegers 1996), locality 1 on Figure 4 ,

- Gnathonemus moeruensis Boulenger, 1915 . Origin : Lake Moeru (Lake Mweru), Zaire / Zambia. Holotype (unique): MRAC 14137, locality 3 on Figure 4 ,

- Lower Zambezi System: SAIAB 060847 coll: Bills R. 01.08.1999, tributary of the Lower Zambezi in the delta region, SE of Marromeu, 18 u 339540S, 35 u 399460E, 81 specimens, size range 52–104 mm SL, locality 17 on Figure 4 ,

- Pungwe System: SAIAB 060947 coll: Bills R. 15.08.1999, one of the tributaries of the lower Pungwe floodplain, on the road going north from Beira to Tete but close to Beira , Dondo Site near Dondo , 19 u 349120S, 34 u 439300E, 10 specimens, size range 89–106 mm SL, locality 16 on Figure 4 ,

- Buzi System: SAIAB 67369 coll: Bills R. 29.9.2002, first tributary of the Lucite River leaving Dombe Nyangapwa Stream which is part of the middle Buzi River System , on the road east of Dombe , Manica Province, 19 u 589000S, 33 u 249520E, 25 specimens, size range 70–143 mm SL, locality 15 on Figure 4 ,

- five live specimens from the Buzi System, same location, R. Bills coll., arrived 8 October 2002 in Regensburg, Germany, studied for EOD and meristic characters, size range 79– 88 mm SL, Figure 1 L , still alive,

- Mulela River: SAIAB 055874 coll: Bills R. 20.7.1997, Mulele Village, 16 u 539420S, 38 u 179270E, five specimens, size range 98.4–134.3 mm SL, locality 18 on Figure 4 ,

- SAIAB 73790, four specimens, Rovuma River System, Mozambique: Nakajambo stream, at Mbatamila-Matondovela Road, Niassa Reserve, Nakajambo, 12 u 079450S, 037 u 219410E, locality 19 on Figure 4 , coll. R. Bills, 14 August 2003 ,

- SAIAB 73884, eight specimens, Rovuma River System, Mozambique: Lucombe stream, at Nyati Road, Niassa Reserve, 12 u 059150S, 037 u 339380E, locality 19 on Figure 4 , coll. R. Bills, 22 August 2003 .

Figures

Figure 1. All species and forms of the Marcusenius macrolepidotus species complex, as studied in the present paper. (A) M. macrolepidotus (Peters, 1852), ZMB 3678 (lectotype L. Seegers; photo: L. Seegers). (B) Gnathonemus angolensis Boulenger 1905, BMNH 1905.5.29.64 (holotype). (C) Gnathonemus moeruensis Boulenger 1915, MRAC 14137 (holotype). (D) Gnathonemus pongolensis Fowler 1934, ANSP 54950 (holotype). (E) M. macrolepidotus (Peters 1852), SAIAB 060847, coll. R. Bills 1 Aug.1999, Lower Zambezi. (F) M. macrolepidotus (Peters 1852), SAIAB 060947, coll. R. Bills 15 Aug.1999, lower Pungwe River System. (G) M. devosi sp. n., coll. L. de Vos and B. Kramer 3/6 Sept. 2001, Lower Tana River/Kenya. (H) M. macrolepidotus (Peters, 1852), SAIAB 73790 (largest specimen), coll. R. Bills 14 Aug. 2003, Rovuma System. (I) M. macrolepidotus (Peters 1852), SAIAB 055874, coll. R. Bills 20 July 1997, Mulela River/Mozambique. (J) M. altisambesi sp. n., coll. F.H. van der Bank and B. Kramer, 11/12 August 2004, Okavango River, live fish of SL 13 cm photographed 20 April 2006. (K) M. altisambesi sp. nov, coll. F. H. van der Bank and B. Kramer, 21 August 1999, Upper Zambezi, Kalimbeza, live specimen of 16.5 cm SL photographed 3 July 2003. (L) M. macrolepidotus (Peters 1852), sampled together with SAIAB 67369, coll. R. Bills 29 Sept. 2002, Buzi River System, specimen of 13 cm SL photographed alive 22 February 2005. (M) M. pongolensis (Fowler, 1934), resurrected species, specimen of 11 cm SL reared in captivity from parents caught in Crocodile River, Incomati System, in February 1997, photographed alive 15 March 2005.

Figure 4. Partial map of southern Africa showing the sampling localities for Marcusenius sp. Only the larger rivers are shown. Numbers code for origins of samples: (1) Tete on the Lower Zambezi (M. macrolepidotus, as for types); (2) Quanza River (G. angolensis, type; exact sampling site unknown); (3) Lake Mweru (G. moeruensis, type); (4) Pongola River near Paulpietersburg (G. pongolensis, type); (5) Sabie River; (6) Crocodile River; (7) Groot Letaba River (Limpopo System); (8) Blyde River (Limpopo System; (9) KwaMaZulu stream, Mhlatuze System (not shown); (10) Pongola River, more downstream compared to (4); (11) Lisikili, Upper Zambezi; (12) Kwando River, (13) Okavango System; (14) Tana River; (15) Buzi River System; (16) Pungwe River; (17) Lower Zambezi, delta region; (18) Mulela River; (19) Rovuma River System.