Mytilopsis sallei

Basic information
Scientific name	Mytilopsis sallei	(No picture)
Common names	Santo Domingo falsemussel
Higher taxon	Dreissenidae, Veneroida, Bivalvia, Mollusca
Natural range	the Gulf of Mexico, Caribbean Sea
Habitat	Brackish coastal regions and lower inter tidal zones.

Invasion information
Range in Japan	Tokyo (lower to river mouse of Sumida River), Chiba Pref. (Lake Niihama, Ichikawa), Fukuoka Pref. (Dokai Bay), Osaka Pref. (river mouse and ports) Shizuoka Pref. (Shimizu Port), Aichi Pref. (Nagoya Port), Wakayama Pref. (Wakayama Port), and Toyama Pref. (Toyama Bay).
Origin	Unknown.
Date	The first record was in 1974 at Shimizu Port, Shizuoka Pref. After, this species was found in Tokyo and Fukuoka (1980s), Osaka (1990s), Aichi and Wakayama (2000s).
Route	Accidental: Hitchhiking on imported lumber or ballast water.
Impact	This species have given rise to pollution in other countries.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	India, Taiwan, Fiji, western coast of Africa, Viet Nam, Hong Kong, etc.

Reference	Notes
Ecol Soc Japan (ed) (2002) Handbook of Alien Species in Japan. Chijin-Shokan. (in Jpn) DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki. (in Jpn) Ocean Biogeographic Information System http://www.iobis.org/	This species is little tolerant to low temperature. Therefore, this species will not be dominant in the region occupied by the other alien bivalve.