Mittelheiser, Laurent https://orcid.org/0000-0003-1059-6736
Dannemark, Lisa
Tovontena, Ludovic
Lepoint, Gilles https://orcid.org/0000-0003-4375-0357
Ravelohasina, Helga https://orcid.org/0000-0003-4284-4829
Baurain, Denis https://orcid.org/0000-0003-2388-6185
Frédérich, Bruno https://orcid.org/0000-0003-3438-0243
Funding for this research was provided by:
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture)
Freshwater and Oceanic sCience Unit of Research (ReeFiFish)
Article History
Received: 23 February 2025
Accepted: 14 June 2025
First Online: 3 July 2025
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: Funding was provided by the ‘Fonds National de la Recherche Scientifique’ of Belgium (F.R.S-FNRS) through the FRIA PhD fellowship of LM. This work was partially funded by the ReeFiFish project sustained by FOCUS at ULiège.
: All specimens were bought on Toliara’s local fish market, already dead. The PhD project has been approved by the Ethical Committee from the University of Liège (21-2412). Exporting permits for the samples were obtained via the fishery institution ‘Direction Régionale de la Pêche et de l’Economie Bleue Atsimo Andrefana’ (Toliara), 069/22/MeSupRes/U.U/IH.SM.
: Raw ecological (stable isotopes and stomach contents) and morphological (standard length, head length and barbel characteristics) data, phylogeny, SEV results, and R code can be accessed on Figshare using the following link: .