New observations of the biology of the “white-clawed crayfish” Austropotamobius italicus (Faxon) (Crustacea: Decapoda: Astacidae); association with decomposition or remains.

  1. Marta I. Saloña Bordas
  2. Jesús Morales Rayo
  3. M. Alejandra Perotti
Aldizkaria:
Boletín de la SEA

ISSN: 1134-6094

Argitalpen urtea: 2021

Zenbakia: 68

Orrialdeak: 199-202

Mota: Artikulua

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Beste argitalpen batzuk: Boletín de la SEA

Laburpena

Austropotamobius italicus (Faxon) (Crustacea: Decapoda: Astacidae) is an endangered species inhabiting southern European streams, with a diet of algae and small invertebrates from pristine waters. In a pilot study using two submerged pig carcasses exposed to two various environments of the river Manzanares in central Spain (Madrid province), a lotic and a lentic corner of the river, we documented the “white-clawed crayfish” A. italicus, continuously scavenging the carcass located in a shadowed and lentic site of the river. A. italicus was feeding at all decomposition stages. This observation adds new information on the feeding habits of this protected species and provides a new potential marker of carcass or corpse decomposition in lentic environments to the incomplete list of freshwater arthropod scavengers known from Europe.

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