Conducta de alimentación nocturna de Concholepas concholepas (MOLLUSCA : GASTROPODA : MURICIDAE)

  • Castilla J
  • Guisado C
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Abstract

The feeding behaviour of Concholepas concholepas (Bruguiere), under cyclic light and dark laboratory conditions is studied. The mussel Perumytilus purpuratus and the limpet Collisella sp. are used as loco’s prey. The results show that C. concholepas feeds preferently during periods of darkness independently ofdiumaltime. Furthermore, the need to carey on research in order to establish the possible existence of endogenous rhythm components acting upon initiation or inhibition of the feeding activity of C. concholepas is discussed.Se estudia la conducta de alimentación de Concholepas concholepas (Bruguiere) loco, en condiciones cíclicas de luz y oscuridad en laboratorio, utilizando el chorito maico Perumytilus purpuratus y el gastrópodo Collisella sp. como alimento. Los resultados demuestran que el loco se alimenta preferentemente durante períodos de oscuridad, independientemente de la hora solar. Se plantea la posible existencia de componentes rítmicos endógenos en el control de la iniciación o inhibición del proceso de consumo de alimento en la especie.

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Castilla, J. C., & Guisado, CH. (2024). Conducta de alimentación nocturna de Concholepas concholepas (MOLLUSCA : GASTROPODA : MURICIDAE). Biologia Pesquera, (12), 125–130. https://doi.org/10.21703/0067-8767.1979.12.2470

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