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Species
Tridentiger bifasciatus Steindachner, 1881
IUCN
NCBI
EOL Text
United States
Origin: Exotic
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
Population
Population Trend
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
Source | http://www.iucnredlist.org/apps/redlist/details/169646 |
Global Range: Native to fresh water and brackish water in eastern Asia; Japan, China, Taiwan, Korea, and the former Soviet Union (Akihito and Sakamoto 1989). Introduced (shortly before 1985) and established in California (San Francisco Bay region, lower Sacramento drainage, Los Angeles County, and probably other areas fed by the California Aqueduct) (Matern and Fleming 1995, Fuller et al. 1999, Sommer et al. 2001, Moyle 2002).
Major Threats
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
Source | http://www.iucnredlist.org/apps/redlist/details/169646 |
Northwest Pacific: Japan, China (Ref. 31517) and South Korea (Ref. 77001). Eastern Central Pacific: intoduced in the USA (Ref. 37896).
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Estelita Emily Capuli, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=56294 |
Least Concern (LC)
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Estelita Emily Capuli, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=56294 |
Asia; introduced or invaded elsewhere, including California, U.S.A.
Conservation Actions
License | http://creativecommons.org/licenses/by-nc-sa/3.0/ |
Rights holder/Author | International Union for Conservation of Nature and Natural Resources |
Source | http://www.iucnredlist.org/apps/redlist/details/169646 |
12.0 cm TL (male/unsexed; (Ref. 13614))
License | http://creativecommons.org/licenses/by-nc/3.0/ |
Rights holder/Author | Estelita Emily Capuli, FishBase |
Source | http://www.fishbase.org/summary/SpeciesSummary.php?id=56294 |
Species Impact: In the non-native range in California, this species may compete with the federally endangered tidewater goby Eucyclogobius newberryi if the two come in contact.