01b0fd80_pecies_at_Risk_Public_Registry__to_identify_critical_habitat__Description_of_activity
[Rationale] Very little is known regarding spawning in these Canadian populations. The presence of glochidia has been briefly noted; however, there is a need to determine when sperm are released and what the optimal conditions are for successful fertilization [Approximate time frame1] 2012-2014 [Description of activity] 
Assess time frames (sperm and ova production/release, timing of fertilization, timing and duration of gravid periods, timing and duration of glochidial release, attachment and transformation) and habitat required for spawning
Recovery Strategy for the Round Hickorynut (Obovaria subrotunda) and the Kidneyshell (Ptychobranchus fasciolaris) in Canada [Final Version] - Species at Risk Public Registry
Description of activity