Quantity - but not diversity - of secreted peptides and proteins increases with age in the tree frog Pithecopus nordestinus

Conclusion: In general, skin secretion contents were similar between juveniles and adults, varying in quantity, indicating that the different stages of life are reflected in the number of molecules and not on their diversity.
Source: Journal of Venomous Animals and Toxins including Tropical Diseases - Category: Tropical Medicine Source Type: research