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Three-lined salamander

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(Redirected from Eurycea guttolineata) Species of amphibian

Three-lined salamander
Conservation status

Least Concern  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Urodela
Family: Plethodontidae
Genus: Eurycea
Species: E. guttolineata
Binomial name
Eurycea guttolineata
(Holbrook, 1838)
Synonyms
  • Salamandra gutto-lineata Holbrook, 1838

The three-lined salamander (Eurycea guttolineata) is a species of salamander in the family Plethodontidae. It is endemic to the south-eastern United States. This species was classified as a sub-species of long tailed salamanders until DNA sequencing revealed that there was no hybridization between the two species. Like other Plethodontidae species, E. guttolineata captures prey via tongue projection.

Description

Eurycea guttolineata is a mid-sized, slender stream salamander which ranges from about 10-15.9 cm in its adult form. It is tan to light yellow with three black longitudinal stripes running from the eyes down the length of the body to the tail. They possess 13-14 costal grooves that aid in cutaneous respiration. The tail is very long at approximately two-thirds its total body length. Additionally, the ventrum (belly) of the three-lined salamander is boldly marked with black and white marbling.

Reproduction

Breeding takes place in slow moving bogs and streams. Hatchlings are generally around 10-13 mm and undergo metamorphosis when they are 22-27 mm snout-to-vent length. Metamorphosis starts with the reduction of labial folds, formation of eyelids, and resorption of the tail-fin. Metamorphosis is then complete with loss of gills and gill slits, along with pigment changes. This is typically a 4-6 month larval stage. The effects that elevation has on larval stages have been studied extensively showing that at lower elevations larvae metamorphosized sooner than those at higher elevations which had delayed metamorphosis mostly due to overwintering. Due to this species being a semi-aquatic salamander in the Plethodontidae family, the females will enter cooler waters in late autumn and winter to drop eggs. Females lay clutch sizes averaging 12-14 eggs.

Distribution

The species is distributed throughout much of the southeastern United States. It can be found in the Appalachian Mountains from Virginia and Tennessee south through the Carolinas, Georgia, Alabama, and Mississippi to the Gulf Coast, including eastern Louisiana and western Florida.

Habitat

Its natural habitats are forested floodplains, ditches, streamsides, and seepages. With wet weather, the species may enter wooded terrestrial habitats. It is not uncommon in suitable habitat. Some subpopulations have likely been extirpated by loss of bottomland hardwood forests.

Feeding Behavior

Three-lined Salamanders feed on a variety of invertebrates including snails, snail eggs, arachnids, millipedes, annelids, nematodes, and many insects. Larvae are thought to feed on small invertebrates, but there have not been any detailed studies on their stomach content or foraging behavior. A study researching the effects of temperature showed that elastically powered tongue-projection performance is maintained to a higher degree than muscle-powered tongue retraction performance across a wide temperature range. Another study found that three-lined salamanders have slower burst speed in cold temperatures.

References

  1. ^ IUCN SSC Amphibian Specialist Group (2014). "Eurycea guttolineata". IUCN Red List of Threatened Species. 2014: e.T59265A64163403. doi:10.2305/IUCN.UK.2014-3.RLTS.T59265A64163403.en. Retrieved 15 November 2021.
  2. ^ Frost, Darrel R. (2017). "Eurycea guttolineata (Holbrook, 1838)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 20 June 2017.
  3. Carlin, Joel L. (1997). "Genetic and Morphological Differentiation between Eurycea longicauda longicauda and E. guttolineata (Caudata: Plethodontidae)". Herpetologica. 53 (2): 206–217. ISSN 0018-0831. JSTOR 3893330.
  4. ^ Anderson, Christopher V.; Larghi, Nicholas P.; Deban, Stephen M. (September 1, 2014). "Thermal effects on the performance, motor control and muscle dynamics of ballistic feeding in the salamander Eurycea guttolineata". The Journal of Experimental Biology. 217 (17). The Company of Biologists: 3146–3158. doi:10.1242/jeb.105437. PMID 24948633. S2CID 9580680. Archived from the original on February 6, 2022. Retrieved 16 May 2023.
  5. Ireland, Patrick H. (1979). "Eurycea longicauda". Society for the Study of Amphibians and Reptiles.
  6. ^ Bruce, Richard C. (1970-12-12). "The Larval Life of the Three-Lined Salamander, Eurycea longicauda guttolineata". Copeia. 1970 (4): 776–779. doi:10.2307/1442330. ISSN 0045-8511. JSTOR 1442330.
  7. ^ Petranka, James W. (1998). Salamanders of the United States and Canada. Smithsonian Institution Press. ISBN 1560988282.
  8. Bruce, Richard C. (1970). "The Larval Life of the Three-Lined Salamander, Eurycea longicauda guttolineata". Copeia. 1970 (4): 776–779. doi:10.2307/1442330. ISSN 0045-8511. JSTOR 1442330.
  9. Marvin, Glenn A (April 2003). "Effects of acute temperature and thermal acclimation on aquatic and terrestrial locomotor performance of the three-lined salamander, Eurycea guttolineata". Journal of Thermal Biology. 28 (3): 251–259. doi:10.1016/s0306-4565(02)00084-0. ISSN 0306-4565.
  10. "Eurycea guttolineata". AmphibiaWeb. University of California, Berkeley. 2017. Retrieved 20 June 2017.
  11. Petranka, J.W., 1998, Salamanders of the United States and Canada, Smithsonian Institution Press, Washington, DC. pp. 249-251
  12. Virginia Herpetological Society, https://www.virginiaherpetologicalsociety.com/amphibians/salamanders/three-lined-salamander/three-lined_salamander.php.
  13. Marvin, Glenn A (2003). "Effects of temperature on locomotor performance of a salamander". Herpetological Review. 34 (3). ProQuest 212040121.
Taxon identifiers
Eurycea guttolineata


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