Forget the audience: tadpoles release similar disturbance cues regardless of kinship or familiarity

Bairos‐Novak, Kevin R.; Crane, Adam L.; Achtymichuk, Gabrielle H.; Hsin, Jonathan; Rivera-Hernández, Ita A E; Simko, Olena M.; Wrynn, Theresa E.; Chivers, Douglas P.; Ferrari, Maud C. O.

doi:10.1007/s00265-020-02936-8

Cited by 7 publications

(3 citation statements)

References 80 publications

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“…We also observed increased freeze and escape responses in crabs, which indicate a stress response in crustaceans (Katz and Rittschof, 1993;Perrot-Minnot et al, 2017;Tomsic et al, 2017). The finding that S. aurata stress metabolites induced such responses in potential prey species suggests that responses to disturbance cues are do not depend on the "audience, " similar as what has been observed in tadpoles (Bairos-Novak et al, 2020).…”

Section: Indirect Effects Of Ph Drop On Recipients' Behaviour Through Stress Chemical Communicationsupporting

confidence: 82%

Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

Feugere

et al. 2021

Front. Mar. Sci.

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Studies on pH stress in marine animals typically focus on direct or species-specific aspects. We here test the hypothesis that a drop to pH = 7.6 indirectly affects the intra- and interspecific interactions of benthic invertebrates by means of chemical communication. We recorded fitness-relevant behaviours of small hermit crabs Diogenes pugilator, green shore crabs Carcinus maenas, and harbour ragworms Hediste diversicolor in response to short-term pH drop, and to putative stress metabolites released by conspecifics or gilt-head sea bream Sparus aurata during 30 min of acute pH drop. Not only did acute pH drop itself impair time to find a food cue in small hermit crabs and burrowing in harbour ragworms, but similar effects were observed under exposure to pH drop-induced stress metabolites. Stress metabolites from S. aurata, but not its regular control metabolites, also induced avoidance responses in all recipient species. Here, we confirm that a short-term abrupt pH drop, an abiotic stressor, has the capacity to trigger the release of metabolites which induce behavioural responses in conspecific and heterospecific individuals, which can be interpreted as a behavioural cost. Our findings that stress responses can be indirectly propagated through means of chemical communication warrant further research to confirm the effect size of the behavioural impairments caused by stress metabolites and to characterise their chemical nature.

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Section: Indirect Effects Of Ph Drop On Recipients' Behaviour Through Stress Chemical Communicationsupporting

confidence: 82%

Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

Feugere

et al. 2021

Front. Mar. Sci.

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“…The finding that S. aurata pH-induced stress metabolites induced such responses in potential prey species suggests that responses to disturbance cues are not depending on the ‘audience’, similar as what has been observed in tadpoles (Bairos-Novak et al, 2020). In our study, stress metabolites from H. diversicolor altered the burrowing success of conspecifics whereas Watson and colleagues (2005) found that whole-body extracts of H. diversicolor did not alter out-of-burrow activities of the king ragworm Alitta virens (of the same subfamily Nereidinae), indicating that stress metabolites may also differ from alarm cues.…”

Section: Discussionsupporting

confidence: 67%

Behavioural stress feedback loops in benthic invertebrates caused by pH drop-induced metabolites

Feugere

L²,

J³

et al. 2021

Preprint

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Studies on pH stress in marine animals typically focus on direct or species-specific aspects. We here test the hypothesis that a drop to pH = 7.6 indirectly affects the intra- and interspecific interactions of benthic invertebrates by means of chemical communication. We recorded fitness-relevant behaviours of small hermit crabs Diogenes pugilator, green shore crabs Carcinus maenas, and harbour ragworms Hediste diversicolor in response to short-term pH drop, and to putative stress metabolites released by conspecifics or gilt-head sea bream Sparus aurata during 30 minutes of acute pH drop. Not only did acute pH drop itself impair time to find a food cue in small hermit crabs and burrowing in harbour ragworms, but similar effects were observed under exposure to pH drop-induced stress metabolites. Stress metabolites from S. aurata, but not its regular control metabolites, also induced avoidance responses in all recipient species. Here, we confirm that a short-term abrupt pH drop, an abiotic stressor, has the capacity to trigger the release of metabolites which induce behavioural responses in conspecific and heterospecific individuals, which can be interpreted as a behavioural cost. Our findings that stress responses can be indirectly propagated through means of chemical communication warrant further research to confirm the effect size of the behavioural impairments caused by stress metabolites and to characterise their chemical nature.

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“…Such discrimination might allow receivers to improve decisions and increase survival, although the adaptive mechanisms remain unclear. In contrast, wood frog tadpoles Lithobates sylvaticus were found not to discriminate between the disturbance cues from donor groups that differed in intra-group familiarity and kinship, suggesting that such discrimination may be restricted to more social species ( Bairos-Novak et al 2020 ).…”

mentioning

confidence: 92%

Disturbance cue communication is shaped by emitter diet and receiver background risk in Trinidadian guppies

et al. 2021

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In animal communication systems, individuals that detect a cue (i.e., ‘receivers’) are often influenced by characteristics of the cue emitter. For instance, in many species, receivers avoid chemical cues that are released by emitters experiencing disturbance. These chemical ‘disturbance cues’ appear to benefit receivers by warning them about nearby danger, such as a predator’s approach. While the active ingredients in disturbance cues have been largely unexplored, by-products of metabolized protein are thought to play a role for some species. If so, the content (quality) and volume (quantity) of the emitter’s diet should affect their disturbance cues, thus altering how receivers perceive the cues and respond. Guppies Poecilia reticulata are a species known to discriminate among disturbance cues from different types of donors, but dietary variation has yet to be explored. In this study, we found evidence that diet quality and quantity can affect disturbance cues released by guppy emitters (i.e., experimental ‘donors’). Receivers discriminated between donor cue treatments, responding more strongly to cues from donors fed a protein-rich bloodworm diet (experiment 1), as well as an overall larger diet (experiment 2). We also found that receivers exposed to higher background risk were more sensitive to disturbance cue variation, with the strongest avoidance responses displayed by high-risk receivers toward disturbance cues from donors fed the high-quality diet. Therefore, diet, and perhaps protein specifically, affects either the concentration or composition of disturbance cues released by guppies. Such variation may be important in information signalling in social species like the guppy.

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Forget the audience: tadpoles release similar disturbance cues regardless of kinship or familiarity

Cited by 7 publications

References 80 publications

Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

Behavioural Stress Propagation in Benthic Invertebrates Caused by Acute pH Drop-Induced Metabolites

Behavioural stress feedback loops in benthic invertebrates caused by pH drop-induced metabolites

Disturbance cue communication is shaped by emitter diet and receiver background risk in Trinidadian guppies

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