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Morphology of lentic and lotic tadpoles from Madagascar

  • Background The morphology of anuran larvae is suggested to differ between species with tadpoles living in standing (lentic) and running (lotic) waters. To explore which character combinations within the general tadpole morphospace are associated with these habitats, we studied categorical and metric larval data of 123 (one third of which from lotic environments) Madagascan anurans. Results Using univariate and multivariate statistics, we found that certain combinations of fin height, body musculature and eye size prevail either in larvae from lentic or lotic environments. Conclusion Evidence for adaptation to lotic conditions in larvae of Madagascan anurans is presented. While lentic tadpoles typically show narrow to moderate oral discs, small to medium sized eyes, convex or moderately low fins and non-robust tail muscles, tadpoles from lotic environments typically show moderate to broad oral discs, medium to big sized eyes, low fins and a robust tail muscle.

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Author:Jörn Laudor, Arne Christian Schulze, Michael Veith, Bruno Viertel, Ortwin Elle, Stefan Lötters
Parent Title (English):BioMed Central Zoology
Publisher:BioMed Central
Place of publication:London
Document Type:Article
Date of completion:2021/09/13
Publishing institution:Universität Trier
Contributing corporation:The publication was funded by the Open Access Fund of Universität Trier and the German Research Foundation (DFG)
Release Date:2022/05/04
Tag:Adaptation; Anura; Environment; Evolution; Larva
GND Keyword:Aquatisches Ökosystem; Froschlurche; Kaulquappe; Larve; Madagascar; Morphologie
Issue / no.:Heft 6 (2021), Artikel 28
Number of pages:9
Institutes:Fachbereich 6 / Raum- und Umweltwissenschaften
Dewey Decimal Classification:9 Geschichte und Geografie / 90 Geschichte / 900 Geschichte und Geografie
Licence (German):License LogoCC BY: Creative-Commons-Lizenz 4.0 International

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