Table of Contents
Fishes, Volume 4, Issue 2 (June 2019) – 13 articles
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Cover Story (view full-size image) Many fish species produce sounds to mediate social interactions. Acoustic monitoring can provide [...] Read more. Many fish species produce sounds to mediate social interactions. Acoustic monitoring can provide information on fish reproductive status and welfare and should be considered a relevant non-intrusive tool in aquaculture management. Assessing fish acoustic activity, however, requires automatic methods to detect and extract the relevant biological information from long sound recordings. Here, we characterize meagre (Argyrosomus regius) acoustic rhythms in captivity using an automatic pattern-recognition methodology based on hidden Markov models. Acoustic activity peaked from 15:00 to midnight and was concurrent with spawning events, opening the possibility of using meagre vocal activity to predict spawning periods in aquaculture management. View this paper.