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Poison dart frog
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==== Behavior as tadpoles ==== The poison dart frog is known for its [[Aggression|aggressive]] and [[Predation|predatory]] behavior. As [[tadpole]]s, the individuals of the [[genus]] ''Dendrobates'' exhibit some unique cannibalistic tendencies, along with many other forms of predatory behavior.<ref name="Caldwell-1998">{{Cite journal |last1=Caldwell |first1=Janalee P. |last2=Araujo |first2=Maria Carmozina |date=March 1998 |title=Cannibalistic Interactions Resulting from Indiscriminate Predatory Behavior in Tadpoles of Poison Frogs (Anura: Dendrobatidae) 1 |url=https://onlinelibrary.wiley.com/doi/10.1111/j.1744-7429.1998.tb00372.x |journal=Biotropica |language=en |volume=30 |issue=1 |pages=92β103 |doi=10.1111/j.1744-7429.1998.tb00372.x |bibcode=1998Biotr..30...92C |issn=0006-3606 |s2cid=84158392|url-access=subscription }}</ref> ''Dendrobates'' tadpoles that either consumed three or more conspecific tadpoles and/or relatively large larvae of the [[mosquito]] ''[[Trichoprosopon digitatum]]'' common in their environment led them to having a much higher growth rate and typically lived much longer lives.<ref name="Caldwell-1998" /> Reasons for this behavior could be that predation and aggression was selected for and favored for a few reasons. One reason is to eliminate predators, and the second reason is that it serves as a source of food in habitats that were low in resources. This predation could have evolved over time and led to cannibalism as another form of predatory behavior that had benefitted individuals survival fitness.<ref name="Caldwell-1998" /> However, one observation has been noted in the general characteristic of ''Dendrobates'' tadpoles including ''D. arboreus'', ''D. granuliferus'', ''D. lehmanni'', ''D. occultator'', ''D. pumilio'', ''D. speciosus'', and many other ''Dendrobates'' species is that they have reduced mouth parts as young tadpoles which limits their consumption typically to unfertilized eggs only.<ref name="Caldwell-1998" /> Thus, it can be assumed that the [[Cannibalism|cannibalistic]] tendencies of ''Dendrobates'' is limited to their lifetime as a tadpole and does not cross over into their adult life.
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