Ultrastructural damage of Loligo vulgaris and Illex coindetii statocysts after low frequency sound exposure

There is a considerable lack of information concerning marine invertebrate sensitivity to sound exposure. However, recent findings on cuttlefish and octopi showed that exposure to artificial noise had a direct consequence on the functionality and physiology of the statocysts, sensory organs, which a...

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Bibliographic Details
Published in:PloS one 2013-10, Vol.8 (10), p.e78825-e78825
Main Authors: Solé, Marta, Lenoir, Marc, Durfort, Mercè, López-Bejar, Manel, Lombarte, Antoni, André, Michel
Format: Article
Language:English
Subjects:
Animals
Aplicacions de la informàtica
Calamars - Aparell auditiu
Carassius auratus
Columns (structural)
Comparative analysis
Diving
Ears & hearing
Electron microscopy
Epithelium - ultrastructure
Exposure
Fish
Hair
Illex
Illex coindetii
Informàtica
Laboratories
Lesions
Loligo - physiology
Loligo vulgaris
Nervous system
Noise
Noise control
Noise levels
Octopus vulgaris
Organs
Scanning electron microscopy
Sense organs
Sensory Receptor Cells - ultrastructure
Sound
Sound - adverse effects
Squid
Statocysts
Water column
Àrees temàtiques de la UPC
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Summary:There is a considerable lack of information concerning marine invertebrate sensitivity to sound exposure. However, recent findings on cuttlefish and octopi showed that exposure to artificial noise had a direct consequence on the functionality and physiology of the statocysts, sensory organs, which are responsible for their equilibrium and movements in the water column. Owing to a lack of available data on deep diving cephalopod species, we conducted a noise exposure comparative experiment on one Mediterranean squid, Illex coindetii, and on the European squid Loligo vulgaris. Scanning electron microscopy (SEM) revealed similar injuries in the inner structure of the statocysts, as those found in cuttlefish and octopi. In addition to the ultrastructural description of the lesions, we publish here the first images of the crista-cupula system and inner statocyst cavity of I. coindetii.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0078825