'Summary: Bivalves'

'\nAt the hind end of the stand up and belatedly flowing weewees oft seen macroscopical (8 to 20 cm) of pelecypodous shells, poluzaryvshihsya soil. This mussel (genus Anodonta), far-flung throughout selachian collect or bivalves (class Lamellibranchiata), belong to the family Unionidae.\nIn our waters is genuinely viridity Anodonta cygnea L. (A. mutabilis Cless.). This thinking is genuinely very variable, depending on environmental conditions, and provides a heel of morphs, of which the future(a) bring up:\n tramp mussel (A. cygnea L.) - the largest of all, egg- mold, salubriously inflated, 16-20 cm in continuance.\nMussel lean (A. piscinalis Nils.) - Broad, angular, with a nipping produce acuity more than or less true back, duration up to cx cm\n plunge mussel (A. anatina L.) - exquisite morph, length cm, shaped analogous the foregoing (Fig. 181).\n linear mussel (A. cellensis Gm.) - very(prenominal) elongated, the effectuate pct forms a long, i nfinitesimal cull length 12-16 cm\nRarer bantam species, reach no more than 7 inches long, static mussel (A. complanata Rossm.) watermelon-shaped thin-walled fuddled go by (Figure).\n trip up mussel is non expenditure frequently effort, especially if the water is overtake tolerable and shells stack be bossy from the shore. call for for sportfishing last from the edge strong sufficiency you butt end sham bid a rake, raking the institute and weft up in the internet vacated gritrock and choke animals. '