Essay on Life History of Dendrobates pumilio

1497 Words 6 Pages
KEYWORDS: Dendrobatidae, Habitat, Diet, Life History, Conservation, Distribution, Dendrobates pumilio, Central America, Reproduction, Poison-Dart Frog.

Considered some of the smallest vertebrates in the world, the members of Dendrobatidae, or poison-dart frogs, have a wide distribution throughout the southern parts of Central America and produce a diverse population throughout these areas. As their name indicates, Strawberry poison-dart frogs (Dendrobates pumilio) are some of the most toxic organisms in the world, and their diverse bright color schemes are prominent general indicators of their toxicity.

Description and Identification An extremely small amphibian, the Strawberry poison-dart frog averages roughly 20 mm in length
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Populations of Strawberry poison-dart frogs remain significantly high with a large distribution; the IUCN has listed the species as of Least Concern, though given the resources, found in extremely humid areas of rainforests, necessary for reproduction and growth of young, deforestation threatens populations in these areas (Penner, 2011); notable declines in populations have been observed in areas throughout Costa Rica (International Union for Conservation of Nature and Natural Resources, 2013).

Habitat Leaf litter scattered throughout the forest floors of rainforests serves as primary shelter for the Strawberry poison-dart frog, though banana and cacao groves have served as residence for individuals as well (Penner, 2011). Unlike most other amphibians, they do not maintain any constant proximity to water sources, even when females lay eggs, though bromeliads found in rainforests will serve as shelter and a developmental region for tadpoles to grow (International Union for Conservation of Nature and Natural Resources, 2013). Individuals are generally not arboreal, though they will reside at the lowest parts of trees (Milligan, 2008).
Reproduction and Recruitment Strawberry poison-dart frogs demonstrate a moderate degree of

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