KILLI - DATA SERIES, 2025, Huber and Meinema, descriptions of Two New Spine Killifish species and discussion on one Ethiopian lampeye.

Killi-Data Series 2025 [32 pages, as a print, ISBN 979-10-93353-14-2, as a PDF document, ISBN 979-10-93353-15-9]

Killi-Data Series 2025, 10-31, 15 figs., 3 tabs

Descriptions of Two New Spine Killifish: Eremodon yetateku n.sp. and Pantanodon nyingi n.sp. (Cyprinodontiformes; Pantanodontidae).

Huber J.H. & and E. Meinema 

Abstract : Research on undetermined species in the collection of the Alexander König Museum (Bonn, Germany), deposited by the heir of the late Lothar Seegers (1947-2018), revealed two undescribed species of Pantanodontidae, as a posthumous legacy. A vial with badly conserved specimens from Ethiopia includes a species which, based on the modification of the pelvic fin and up until new live collections, is herein considered a member of Eremodon. Species of this genus of Pantanodontidae are thus far only known from Lake Turkana (southern Ethiopia / northwestern Kenya). Eremodon yetateku n.sp., with horizontally placed teeth on the upper jaw and unique armored scales upon the snout, positioned anterior to the eyes, is the most northern distributed, recent, representative of Pantanodontidae. Another vial also includes specimens of a new species herein described as Pantanodon nyingi n.sp. (coastal Kenya), characterized by multiple modified fins, i.e. unique to Pantanodontidae with hooks and claws on the pelvics, pectorals and anal fin. The presence of a posterior spot in the male anal fin is herein confirmed as a distinctive character unique to all species in Pantanodon, not found in any other genus of Pantanodontidae. A posterior anal fin spot is also present in an undescribed species, previously considered as Aliteranodon aff. ndoano (Garsen, Kenya). This species, a look-alike of P. nyingi n.sp. but with reversed anal fin coloration, in fact belongs to Pantanodon, thus being the most northern representative of this genus which was previously considered to be restricted to Tanzania. Further differentiation and precisions between genera Aliteranodon and Pantanodon are proposed which are shown for the first time as possibly sympatric. Three other vials also includes specimens from overlapping ranges in Ethiopia of a known but seldom studied species, Micropanchax antinorii (Vinciguerra, 1883) and they are morphologically studied, pictured and discussed in comparison to Pantanodontidae.

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