Common name: Japanese Fire-bellied Salamander
Synonyms and Other Names: Japanese fire belly newt
available through www.itis.gov
Identification: The Japanese fire belly salamander is rough bodied with brown-black skin and an orange to red belly spotted with black (Okada, 2000).
Size: 8-15 cm total body length
Native Range: C. pyrrhogaster is native throughout Japan, with the exception of Hokkaido and
the southern Ryukyu Islands (T. Johnson, pers. comm.).
Hydrologic Unit Codes (HUCs) Explained
Puerto Rico &
Interactive maps: Point Distribution Maps
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Cynops pyrrhogaster are found here.
Table last updated 2/27/2023
† Populations may not be currently present.
Means of Introduction: The Massachusetts introductions were released or escaped pets and the Florida introduction was intentionally released by an animal dealer (King and Krakauer, 1966; Cardoza et al., 1993).
Status: The introductions in Florida and Massachusetts did not result in an established populations (Cardoza et al., 1993)
Impact of Introduction: Since the salamanders did not become established, no impacts have been documented.
References: (click for full references)
Cardoza, J. E., G. S. Jones, T. W. French, and D. B. Halliwell. 1993. Exotic and Translocated Vertebrates of Massachusetts. Fauna of Massachusetts Series 6. Massachusetts Division of Fisheries and Wildlife, Westborough, Massachusetts. 106 pp.
Johnson, T. - Caudata Culture.
King, [F.] W., and T. Krakauer. 1966. The exotic herpetofauna of southeast Florida. Quarterly Journal of the Florida Academy of Sciences 29(2):144-154.
Livingunderworld.org. 2002. Japanese Fire Belly Newt (Boie, 1826)(online). Available at URL: http://www.livingunderworld.org/caudata/database/salamandridae/cynops/pyrrhogaster/.
Okada, S. 2000. Herps Guide in Hioshima Japan (online). Available at URL: http://www3.ocn.ne.jp/~herpsgh/cynops.html.
Revision Date: 8/12/2015
McKercher, E., 2023, Cynops pyrrhogaster (Boie, 1826): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=157, Revision Date: 8/12/2015, Access Date: 6/5/2023
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.