02820nas a2200253 4500008004100000022002500041245010600066210006900172260001600241300000900257490000900266520199800275653001502273653003602288653003202324653003302356653003002389653001302419100002202432700003402454700001702488700002102505856004002526 2024 eng d a0022-1112, 1095-864900aMorphometric synthesis of Pollimyrus (Teleostei, Mormyridae) with the description of four new species0 aMorphometric synthesis of Pollimyrus Teleostei Mormyridae with t cNov-24-2024 a1-470 v20243 a

Mormyridae, a species‐rich family endemic to Africa, remains taxonomically understudied. This has been the case for the genus Pollimyrus Taverne, 1971, which hinders further understanding of the distribution, ecology, and conservation of its species. Therefore, an in‐depth morphometric comparison of all currently valid species is carried out using most of the available type specimens. Species delineations were re‐evaluated, and four species new to science described: Pollimyrus ibalazambai sp. nov. (the Luki River, the Democratic Republic of the Congo), Pollimyrus krameri sp. nov. (the Lugenda River, Mozambique), Pollimyrus vanneeri sp. nov. (the Kouilou‐Niari River, the Republic of the Congo), and Pollimyrus weyli sp. nov. (the Buzi River, Mozambique). In this study, Pollimyrus guttatus is confirmed to belong to Pollimyrus, whereas Pollimyrus eburneensis and Cyphomyrus plagiostoma seem more similar to species allocated to other genera. No or only little morphological differences were found between the type series of several species, which could indicate the need for synonymization of these species (Pollimyrus cuandoensis with Pollimyrus marianne and Pollimyrus nigripinnis with Pollimyrus pulverulentus). As such 20 species are currently morphologically identifiable in the genus Pollimyrus. The present study highlights the critical need for further synthetic efforts and new collecting efforts across Africa for this and other Mormyridae genera.

10amorphology10aPollimyrus ibalazambai sp. nov.10aPollimyrus krameri sp. nov.10aPollimyrus vanneeri sp. nov.10aPollimyrus weyli sp. nov.10aTaxonomy1 aDierickx, Katrien1 aLunkayilakio, Soleil, Wamuini1 aBills, Roger1 aVreven, Emmanuel uhttp://dx.doi.org/10.1111/jfb.1598301563nas a2200181 4500008004100000022001500041024004500056245006500101210006500166260001500231300001000246490000800256520099300264100001801257700001901275700001901294856006801313 1934 eng d a 0003-0082 a66f7cdc6a30e4c4edec360d7ed749bce6f41fd0400aMore new fishes from the Kasai District of the Belgian Congo0 aMore new fishes from the Kasai District of the Belgian Congo c8 May 1934 a1–60 v7233 a

A number of small fishes collected in 1932 by Callewaert, at Luluabourg in the Kasai District of the Belgian Congo, were overlooked when the remainder of his collection made at that time was studied and reported on. Their examination, just completed, adds 20 forms to the 42 from the locality previously enumerated in The American Museum of Natural History's collections: namely, 5 mormyrids, 4 characins, 2 cyprinids of which 1 is a Barbus, 5 catfishes, 3 cichlids, 1 Anabas. Our complete collections from the locality now number, 62 species: in percentages, 21 mormyrids, 14 1/2 characins, 35 catfishes, 5 Barbus, 6 1/2  cichlids, and 18 otherwise distributed; characins, catfishes and cichlids being somewhat closer to figures for the Congo than were those reported for the incomplete Luluabourg collections in 1933. The following new species are included: Marcusenius maculipinnis, Heterobranchus platycephaius, Euchilichthys boulengeri, and Steatocranus nelongatus.

1 aNichols, J.T.1 aLa Monte, F.R.1 aCallewaert, R. uhttp://bionames.org/references/bae56de4b8deb2370183321f00d6e687