Spider traps amphibian in northeastern Madagascar

2021-01 | journal article; research paper. A publication with affiliation to the University of Göttingen.

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​Fulgence, Thio Rosin, Dominic Andreas Martin, Holger Kreft, Fanomezana Mihaja Ratsoavina, and Aristide Andrianarimisa. "Spider traps amphibian in northeastern Madagascar​." ​Ecology and Evolution ​11, no. 2 (2021): ​682​-687​. ​https://doi.org/10.1002/ece3.7102.

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Authors
Fulgence, Thio Rosin; Martin, Dominic Andreas; Kreft, Holger ; Ratsoavina, Fanomezana Mihaja; Andrianarimisa, Aristide
Abstract
Predation can take unexpected turns. For instance, various invertebrate species-most commonly spiders-may prey on vertebrates. Here, we report one observation of a spider (Sparassidae, Damastes sp.) feeding on an amphibian (Hyperoliidae, Heterixalus andrakata) inside a retreat in northeastern Madagascar. To our knowledge, this is the second report of vertebrate predation by spiders in Madagascar. Three additional observations of retreats built by the same spider species show that the spiders built similar retreats and were hiding at the rear end of the retreat. The retreats were built by weaving two green leaves together which were still attached to the tree. We speculate from the observations, that the retreat serves as a targeted trap that deceives frogs seeking shelter during daytime.
Issue Date
January-2021
Journal
Ecology and Evolution 
Organization
Zentrum für Biodiversität und Nachhaltige Landnutzung ; Fakultät für Forstwissenschaften und Waldökologie ; Burckhardt-Institut ; Abteilung Biodiversität, Makroökologie und Biogeographie 
ISSN
2045-7758
Language
English

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