Bivalvia |
Unionida |
Mycetopodidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; freshwater; depth range ? - 20 m (Ref. 126701), usually 1 - 2 m (Ref. 126701). Tropical
South America Inland Waters.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Very large sized shell, trapezoid outline, thin walled, glassy and smooth periostracum. Mantle with well developed fourth fold, tentacles in excurrent and incurrent canals lacking. Palps with smooth outer surface, with inner large folds, easily view, smooth inner margin. Wide transversal ctenidial folds. Anal papilla thin walled. Pallial cardinal muscle sporadically developed. Posterior region color dark-brown, anterior and median regions vary from dark-brown to pale-green. Hermaphroditic gonad.
Widely distributed in hydrographic regions of the South America, inhabits sandy to muddy or with deposits of silt and clay, never found in gravel or rocky substrates. Also found in river with lower water velocities or in marginal lakes, where it finds food (phytoplankton) in abundnace (Refs. 126701, 126703) (Ref. 126701).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Simone, L.R.L. de. 1994. (Ref. 126701)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Tools
More information
Common namesSynonymsPredatorsReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthMorphologyLarvaeAbundance
Internet sources
Estimates based on models