What does this research mean for the field?

Behavioural contraction responses in the ascidian Halocynthia papillosa are triggered primarily by substrate-borne vibrations rather than sound pressure alone, and these responses habituate with repeated exposure. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess whether behavioral responses in the ascidian Halocynthia papillosa are driven primarily by sound pressure or substrate-associated mechanical vibration cues.

September 14, 2026Marine BiologyOpen Access

Feeling the noise: behavioural responses in ascidians are associated with substrate-borne vibrations rather than sound pressure alone

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Authors

TBTil Böttner LHLukas Hessel RORené Ortmann

Discussion

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Overview

Experimental study reveals contraction responses in Mediterranean ascidians driven by substrate-borne vibrations rather than sound pressure, highlighting seabed vibration sensitivity.

Key Points

To assess whether behavioral responses in the ascidian Halocynthia papillosa are driven primarily by sound pressure or substrate-associated mechanical vibration cues.
Collected Halocynthia papillosa specimens from Mediterranean coastal sites near Pula, Croatia, and Elba, Italy, between 2022 and 2024.
Exposed individuals in field and laboratory setups to low-frequency acoustic stimuli (50–1500 Hz) under conditions systematically isolating sound pressure from substrate-borne vibration.
Contraction responses occurred mainly at 50 to 800 Hz and were consistently triggered when substrate-borne vibration amplitudes exceeded frequency-dependent thresholds.
Elevated sound pressure under reduced substrate-borne vibration conditions did not elicit significant contraction responses.
Repeated vibroacoustic stimulation produced habituation, resulting in reduced contraction duration, relaxation time, and contraction intensity.

Cite This Study

Böttner et al. (2026) studied this question.

synapsesocial.com/papers/6aa7b2c70926e14a848b1582 https://doi.org/10.1007/s00227-026-04943-1

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September 14, 2026Marine BiologyOpen Access

Feeling the noise: behavioural responses in ascidians are associated with substrate-borne vibrations rather than sound pressure alone

View Full Paper

Ask AI

Bookmark

Authors

TBTil Böttner LHLukas Hessel RORené Ortmann

Discussion

Member takes

Overview

Experimental study reveals contraction responses in Mediterranean ascidians driven by substrate-borne vibrations rather than sound pressure, highlighting seabed vibration sensitivity.

Key Points

To assess whether behavioral responses in the ascidian Halocynthia papillosa are driven primarily by sound pressure or substrate-associated mechanical vibration cues.
Collected Halocynthia papillosa specimens from Mediterranean coastal sites near Pula, Croatia, and Elba, Italy, between 2022 and 2024.
Exposed individuals in field and laboratory setups to low-frequency acoustic stimuli (50–1500 Hz) under conditions systematically isolating sound pressure from substrate-borne vibration.
Contraction responses occurred mainly at 50 to 800 Hz and were consistently triggered when substrate-borne vibration amplitudes exceeded frequency-dependent thresholds.
Elevated sound pressure under reduced substrate-borne vibration conditions did not elicit significant contraction responses.
Repeated vibroacoustic stimulation produced habituation, resulting in reduced contraction duration, relaxation time, and contraction intensity.

Cite This Study

Böttner et al. (2026) studied this question.

synapsesocial.com/papers/6aa7b2c70926e14a848b1582 https://doi.org/10.1007/s00227-026-04943-1

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