Coordinated adaptations define the ontogenetic shift from worm- to fish-hunting in a venomous cone snail.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
13 06 2023
13 06 2023
Historique:
received:
11
10
2022
accepted:
19
05
2023
medline:
15
6
2023
pubmed:
14
6
2023
entrez:
13
6
2023
Statut:
epublish
Résumé
Marine cone snails have attracted researchers from all disciplines but early life stages have received limited attention due to difficulties accessing or rearing juvenile specimens. Here, we document the culture of Conus magus from eggs through metamorphosis to reveal dramatic shifts in predatory feeding behaviour between post-metamorphic juveniles and adult specimens. Adult C. magus capture fish using a set of paralytic venom peptides combined with a hooked radular tooth used to tether envenomed fish. In contrast, early juveniles feed exclusively on polychaete worms using a unique "sting-and-stalk" foraging behaviour facilitated by short, unbarbed radular teeth and a distinct venom repertoire that induces hypoactivity in prey. Our results demonstrate how coordinated morphological, behavioural and molecular changes facilitate the shift from worm- to fish-hunting in C. magus, and showcase juvenile cone snails as a rich and unexplored source of novel venom peptides for ecological, evolutionary and biodiscovery studies.
Identifiants
pubmed: 37311767
doi: 10.1038/s41467-023-38924-5
pii: 10.1038/s41467-023-38924-5
pmc: PMC10264353
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
3287Informations de copyright
© 2023. Crown.
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