Unionidae

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Unionidae

[‚yü·nē′än·ə‚dē]
(invertebrate zoology)
The fresh-water mussels, a family of bivalve mollusks in the subclass Eulamellibranchia; the larvae, known as glochidia, are parasitic on fish.
References in periodicals archive ?
Unionid biofouling calculations included both a total mass and the biofouling mass as a percentage of unionid mass (because bigger unionid mussels could presumably accumulate more biofouling organisms).
A Report on the Results of a Survey for Unionid Mussels on the Upper and Middle Big Sioux River and Tributaries: Grant, Codington, Hamlin, Brookings, and Moody counties, South Dakota.
All species of North American unionid mussels must undergo an obligatory parasitism of specific hosts in order to metamorphose from glochidia into free-living juveniles (Bogan and Roe, 2008).
Unionid mussel distribution, numbers, and species were examined in the Grand River to provide a recent and comprehensive study of mussels from northeast Ohio's longest river.
79) See Bogan Interview, supra note 33 (stating that it is unclear whether Asian clams are having a negative competitive impact on native freshwater mussels); Cummings Interview, supra note 54 (stating that the impact of Asian clams is "almost zero"); Hartfield Interview, supra note 33 ("[The Service] can't point to a single instance of Asian clams moving Unionid mussels out.
Potential effects of a wide array of contaminants from the SITE on downstream unionid mussels were discussed, and critical research needs were introduced.
Further investigation of the mussel populations is needed to create a long term data set for Hannah Creek which will better explain the status of the unionid mussels.
Cross-resistance of largemouth bass (Micropterus salmoides) to glochidia of different species of unionid mussels.
Early papers on the unionid mussels of Kansas do not mention the Little Blue River (Call 1885a, 1885b, 1885c, 1886, 1887, Scammon 1906), and Murray and Leonard (1962) did not illustrate any historic or recent collection sites within the basin in their study of Kansas mussels.
Field and laboratory determination of substrate preferences of unionid mussels.