Phallostethus cuulong

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Phallostethus cuulong
Not evaluated (IUCN 3.1)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Atheriniformes
Family: Phallostethidae
Genus: Phallostethus
Species: P. cuulong
Binomial name
Phallostethus cuulong
Shibukawa, Đ. Đ. Trần & X. L. Trần, 2012

Phallostethus cuulong is a species of priapum fish.[1][2] It was discovered in 2009 and described in 2012. This species is found at depths of 0.5 to 3.5 m (1.6 to 11.5 ft) in tidal canals on the Mekong Delta. This species attains about 25 mm (0.98 in) in standard length and is translucent white. Males have their gonads under the chin – along with a serrated saw and rod for grasping females.[2] The name cuulong is from the Vietnamese name of the river system where they are found, Cửu Long River.


  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2016). "Phallostethus cuulong" in FishBase. October 2016 version.
  2. ^ a b Shibukawa, K.; Tran, D.D.; Tran, L.X. (2012). "Phallostethus cuulong, a new species of priapiumfish (Actinopterygii: Atheriniformes: Phallostethidae) from the Vietnamese Mekong". Zootaxa. 3363: 45–51. 

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