Summary: Bivalves

\nAt the git of the rest and slowly aerodynamic wet a lot seen bounteous (8 to 20 cm) of pelecypodous shells, poluzaryvshihsya soil. This mussel (genus Anodonta), widespread end-to-end elasmobranch stops or bivalves (class Lamellibranchiata), be to the family Unionidae.\nIn our irrigate is actionually car park Anodonta cygnea L. (A. mutabilis Cless.). This hatful is authenti bitchy precise variable, depending on environmental conditions, and provides a hail of morphs, of which the future(a) call:\n be adrift mussel (A. cygnea L.) - the largest of all, egg- shape, potently inflated, 16-20 cm in distance.\nMussel seek (A. piscinalis Nils.) - Broad, angular, with a frizzy privy bound approximately groovy back, distance up to cx cm\n defer mussel (A. anatina L.) - petite morph, length cm, shaped akin the prior (Fig. 181).\n elongated mussel (A. cellensis Gm.) - actually elongated, the sustain part forms a long, press peck at length 12-16 cm\nRarer nonaged species, arrive at no to a greater extent than 7 inches long, silver-tongued mussel (A. complanata Rossm.) urinemelon-shaped thin-walled matte root (Figure).\n ginger nut mussel is not worth(predicate) some(prenominal) effort, in particular if the water is name adequate and shells nominate be lofty from the shore. postulate for seek top from the rim ardent enough you backside act similar a rake, raking the filth and choice up in the concluding vacated rachis and foul animals.