Gulf Coast waterdog

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Gulf Coast waterdog
Necturus beyeri.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Caudata
Family: Proteidae
Genus: Necturus
Species: N. beyeri
Binomial name
Necturus beyeri
Viosca, 1937

The Gulf Coast waterdog (Necturus beyeri) is a species of aquatic salamander in the family Proteidae. It is native to the southeastern United States, where it occurs in Alabama, Florida, Georgia, Louisiana, Mississippi, and Texas.[1] This may be a species complex that could be split into different taxa as research indicates.[2] It is closely related to Necturus alabamensis.[1]


Adults are 6 to 8.5 inches (15 to 22 cm) in length. It is brown with light brown and black speckles. It exhibits neoteny, retaining its gills and larva-like tail into adulthood.[3]


This species lives in streams with sandy bottoms. It remains on the substrate or burrows into it, sometimes hiding in debris.[1]

The female attaches its eggs to aquatic debris.[4]


  1. ^ a b c IUCN SSC Amphibian Specialist Group. 2014. Necturus beyeri. The IUCN Red List of Threatened Species 2014. Downloaded on 25 June 2016.
  2. ^ NatureServe. 2015. Necturus beyeri. NatureServe Explorer Version 7.1. Accessed 25 June 2016.
  3. ^ Gulf Coast Waterdog. Jacksonville Zoo.
  4. ^ Necturus beyeri. AmphibiaWeb. 2016.