Characterization of sound production by the pot‐bellied seahorse (Hippocampus abdominalis) during feeding

Sound production during feeding by the pot‐bellied seahorse, Hippocampus abdominalis, was quantified with an observation of clicks (acoustic signal) and snicks (visual behavior). Female, male, and juvenile seahorses had feeding sounds characterized for peak (dominant) frequency (Hz), sound pressure...

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Bibliographic Details
Published in:Journal of fish biology 2024-07, Vol.105 (1), p.124-128
Main Authors: Romanchek, Brittany A. H., Uetz, George, Scheifele, Peter M.
Format: Article
Language:English
Subjects:
acoustics
animal bioacoustics
Animal morphology
Animals
Biological noise
Body condition
Body Size
Feeding
Feeding Behavior
Female
Females
fish
Hippocampus abdominalis
Hippocampus hippocampus
juveniles
Male
males
Marine fishes
Peak frequency
Smegmamorpha - physiology
Sound pressure
Sound production
Syngnathidae
Visual observation
vocal classification
Vocalization, Animal
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Summary:Sound production during feeding by the pot‐bellied seahorse, Hippocampus abdominalis, was quantified with an observation of clicks (acoustic signal) and snicks (visual behavior). Female, male, and juvenile seahorses had feeding sounds characterized for peak (dominant) frequency (Hz), sound pressure level (SPL), and duration (ms). Subject body size and condition was estimated by standard length (SL, cm), to determine an estimate of body condition index (BCI). An inverse correlation between mean peak frequency (Hz) of clicks and SL was found for females. A negative correlation between peak frequency (Hz) of clicks and a residual BCI was determined for both males and females, suggesting that acoustic signals may contain information regarding fitness.
ISSN:0022-1112
1095-8649
1095-8649
DOI:10.1111/jfb.15747