Dwarf waterdog
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| Dwarf waterdog (Necturus punctatus) | |
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| Scientific classification Edit this classification | |
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| Binomial name | |
| Template:Taxon infoTemplate:Taxon italics (Gibbes, 1850)
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| Synonyms[1] | |
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Menobranchus punctatus Gibbes, 1850 | |
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The dwarf waterdog (Necturus punctatus) is an aquatic salamander endemic to the Eastern United States.[2][1][4] It is the smallest member of the family Proteidae.[4]
Description
This species is usually between 11.5 and 19 cm (4.5 and 7.5 in) long. It has bushy, narrow gills and a compressed tail. All feet have four toes. The salamander is uniform slate gray to brown or dark olive dorsally and dirty white ventrally. Most individuals have no dorsal spots; when the dorsal spots are present, the venter is unspotted (unlike in Necturus lewisi, which is also a larger species). Juveniles are uniformly brown dorsally (as opposed to striped, as in other juvenile Necturus).[4]
Geographic range
Necturus punctatus is found on the Atlantic coastal plain and the Piedmont of the eastern United States, from southeastern Virginia to southcentral Georgia.[2][1] Populations further west into Alabama and Florida represent another, undescribed species.[1]
Habitat
Dwarf waterdogs live in slow, sand- or mud-bottomed streams and connected ditches, cypress swamps; also stream-fed rice fields and mill ponds. They prefer bottoms with leaf litter and other detritus. During winter juveniles burrow into bottom and adults in leaf beds.[2]
Conservation
Necturus punctatus is not considered threatened—it has a relatively wide range, with viable populations through most of it. It is not facing major threats, and it is present in several protected areas.[2]
References
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- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Frost, Darrel R. (2021). "Necturus punctatus (Gibbes, 1850)". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 25 March 2021.
- ^ a b c d e Template:Cite iucn
- ^ Template:Cite NatureServe
- ^ a b c Page Module:Citation/CS1/styles.css has no content."Necturus punctatus Dwarf waterdog". AmphibiaWeb. University of California, Berkeley. 2021. Retrieved 25 March 2021.
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