Intense bone fluorescence reveals hidden patterns in pumpkin toadlets.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
29 03 2019
29 03 2019
Historique:
received:
13
11
2018
accepted:
21
03
2019
entrez:
31
3
2019
pubmed:
31
3
2019
medline:
28
10
2020
Statut:
epublish
Résumé
The phenomenon of fluorescence can be used by animals to change effective colouration or patterning, potentially to serve functions including intra- and interspecific signalling. Initially believed to be restricted to marine animals, fluorescent colours are now being described in an increasing number of terrestrial species. Here, we describe unique, highly fluorescent patterns in two species of pumpkin toadlets (Brachycephalus ephippium and B. pitanga). We establish that the origin of the fluorescence lies in the dermal bone of the head and back, visible through a particularly thin skin. By comparing them to those of the closely related species Ischnocnema parva, we demonstrate that pumpkin toadlets' bones are exceptionally fluorescent. We characterize the luminescence properties of the toadlets' bones and discuss the potential function of fluorescent patterns in natural lighting conditions.
Identifiants
pubmed: 30926879
doi: 10.1038/s41598-019-41959-8
pii: 10.1038/s41598-019-41959-8
pmc: PMC6441030
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5388Références
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