Unpalatability of the Poison Arrow Frog Dendrobates pumilio to the Ctenid Spider Cupiennius coccineus

Biotropica ◽  
1985 ◽  
Vol 17 (4) ◽  
pp. 345 ◽  
Author(s):  
William A. Szelistowski
Keyword(s):  
Dendrobates Pumilio

Prior Residence Effect in the Dart-Poison Frog, Dendrobates Pumilio

Behaviour ◽  
1994 ◽  
Vol 131 (3-4) ◽  
pp. 207-224 ◽  
Author(s):  
Julia R. Baugh ◽  
Don C. Forester
Keyword(s):  
Poison Frog ◽  
Dendrobates Pumilio ◽  
Prior Residence ◽  
Potted Plant ◽  
Removal Experiments ◽  
Numerical Index ◽  
Water Dish

AbstractEach of 32 male, Dendrobates pumilio (red phase) were allowed to establish a territory in one half of a 40 liter aquarium. Each enclosure contained a substrate of Sphagnum, a potted plant, and a water dish. Males occupying the same aquarium were prevented from seeing one another by an opaque barrier. In the first experiment, residents were presented with a conspecific intruder matched for size and color. Based on a numerical index of aggression, residents were consistently dominant over intruders. When reciprocal trials were conducted, the results were reversed (i.e. residents were dominant over males to which they previously had been subordinate). The success of resident males was not influenced by the size of conspecific intruders. In addition, residents consistently dominated a sympatric confamilial intruder (Phyllobates lugubris). Removal experiments revealed that resident males recognize and defend their enclosures after 3, and to a lesser degree, 6 days of isolation. We also examined the effect of territorial markers on the prior residence effect by stepwise removal of the plant and Sphagnum. Residents aggressively defended enclosures in both experiments. When Sphagnum was removed from the resident's enclosures and placed in a previously unused aquaria, 7 of 10 males exhibited dominance over conspecific intruders.

Geographic and Seasonal Variation in Alkaloid-Based Chemical Defenses of Dendrobates pumilio from Bocas del Toro, Panama

2006 ◽  
Vol 32 (4) ◽  
pp. 795-814 ◽  
Author(s):  
Ralph A. Saporito ◽  
Maureen A. Donnelly ◽  
H. Martin Garraffo ◽  
Thomas F. Spande ◽  
John W. Daly
Keyword(s):  
Seasonal Variation ◽  
Chemical Defenses ◽  
Bocas Del Toro ◽  
Dendrobates Pumilio
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