Colostethus panamansis

Colostethus panamansis, also known as the Panama rocket frog[1] or (ambiguously) common rocket frog,[3] is a species of poison dart frog. It is found in northwestern Colombia and Panama.[2][4] It is one of the best studied poison dart frogs; however, until 2004 Colostethus panamansis was considered a synonym of Colostethus inguinalis, and consequently the older literature uses that name.[5]

Colostethus panamansis

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Dendrobatidae
Genus: Colostethus
Species:
C. panamansis
Binomial name
Colostethus panamansis
(Dunn, 1933)
Synonyms[2]

Hyloxalus panamansis Dunn, 1933
Colostethus panamensis (incorrect spelling)

Distribution and habitat
Female carrying tadpoles on her back

Colostethus panamansis is found in several parts of Panama and in Parque Nacional Natural Los Katios in Colombia. It is found living near streams in forested lowland and hilly country, usually at elevations below 800 metres (2,600 ft).[1]

Biology

Adult males measure 19–27 mm (0.75–1.06 in) in snout–vent length and adult females 25–29 mm (0.98–1.14 in).[5]

The female lays her eggs in clutches among leaf litter. When they hatch, she carries them around on her back for up to nine days when she immerses herself in a fast flowing stream and they become detached and continue their development in the water.[3]

Research

The pathogenic fungus Batrachochytrium dendrobatidis causes the emerging infectious disease chytridiomycosis which is the cause of the decline in many species of tropical amphibian. Colostethus panamansis was used to demonstrate that the fungus was indeed the pathogen responsible for the disease. Healthy rocket frogs from El Copé in Panama were collected and shown to be free of B. dendrobatidis. They were then exposed to an isolate of the fungus. Some of these died and from these B. dendrobatidis was reisolated and was demonstrated to be identical to the original infective agent thus fulfilling Koch's postulates.[6]

Conservation status

Colostethus panamansis is listed as being of "Least Concern" in the IUCN Red List of Threatened Species. This is because it has a wide range in which it is common, and though the population may be declining, this is not at a rate to allow it to qualify for a higher category. The chief threats it faces are deforestation, logging and farming activities including pollution of streams with pesticides.[1]

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gollark: I am annoyed at CC's lack of unicode support now.

References
  1. Grant, T.; Solís, F.; Ibáñez, R.; Jaramillo, C.; Fuenmayor, Q. (2004). "Colostethus panamansis". IUCN Red List of Threatened Species. 2004. Retrieved 2012-10-01.
  2. Frost, Darrel R. (2019). "Colostethus panamansis (Dunn, 1933)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 7 July 2019.
  3. "Rocket frog". Amphibian Rescue and Conservation Project. 2012-05-14. Retrieved 2012-10-01.
  4. Acosta Galvis, A. R. (2019). "Colostethus panamansis (Dunn, 1933)". Lista de los Anfibios de Colombia: Referencia en linea V.09.2019. Retrieved 7 July 2019.
  5. Grant, T. (2004). "On the identities of Colostethus inguinalis (Cope, 1868) and C. panamensis (Dunn, 1933), with comments on C. latinasus (Cope, 1863) (Anura: Dendrobatidae)". American Museum Novitates. 3444: 1–24. doi:10.1206/0003-0082(2004)444<0001:otioci>2.0.co;2. hdl:2246/2809.
  6. Karen R. Lips; Forrest Brem; Roberto Brenes; John D. Reeve; Ross A. Alford; Jamie Voyles; Cynthia Carey; Lauren Livo; Allan P. Pessier; James P. Collins (2006). "Emerging infectious disease and the loss of biodiversity in a Neotropical amphibian community". Proceedings of the National Academy of Sciences of the United States of America. 103 (9): 3165–3170. doi:10.1073/pnas.0506889103. PMC 1413869. PMID 16481617.
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