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   Limnoperna fortunei 軟體動物
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    Dreissena polymorpha
    Dreiecksmuschel (German-Germany), Dreikantmuschel (German-Germany), dreisena (Lithuanian-Lithuania), Eurasian zebra mussel (English), moule zebra (French), racicznica zmienna (Poland), Schafklaumuschel (German-Germany), svitraina gliemene (Latvian-Latvia), tavaline ehk muutlik rändkarp (Estonian-Estonia), vaeltajasimpukka (Finnish-Finland), vandremusling (Danish-Denmark), vandringsmussla (Swedish-Sweden), wandering mussel (English), Wandermuschel (German-Germany, Austria), zebra mussel (English), zebra mussel (Swedish-Sweden), Zebramuschel (German-Germany), Zebra-Muschel (German)

    Zebra mussels attached to aquatic plants (Photo: C. Ramcharan) - Click for full size Dreissena polymorpha encrusted water meter in Lake Michigan (Photo: M. McCormick, via WikiMedia) - Click for full size Dreissena polymorpha  (Photo: U.S. Geological Survey Archive, U.S. Geological Survey, Bugwood.org) - Click for full size Zebra mussels on the lower unit of an inboard/outboard engine (Photo: S. Krynock) - Click for full size Dreissena polymorpha (Photo: Randy Westbrooks, U.S. Geological Survey, Bugwood.org) - Click for full size

    Dreissena polymorpha: black or brown and white striped, with byssal attachment to hard substrates. Maximum size approx. 3 cm long. Shell is highly carinate, having an angle between the ventral and dorsal surfaces. Color patterns highly polymorphic, from almost pure black to unpigmented, with a variety of striped forms.It causes severe macrofouling.
    Mytella charruana


    Mytella charruana: shell elongate, mytiliform to modioliform, 50x22 mm, umbones subterminal. Color yellowish-brown (anteroventral) to green (dorsal). Interior dark purple. Byssal attachment to hard substrates. Anterior margin smooth or with 3 or 4 teeth, resilial ridge pited. Found on intertidal mud flats, in shallow lagoons and estuaries. Salinity 5-15 g/l.

ISSG Landcare Research NBII IUCN University of Auckland