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This Concept Map, created with IHMC CmapTools, has information related to: paddlefish2, Planktivores use rostrum detects weak electrical fields, Paddlefish Reproduction Mature: Females at 9-10 Males at 7 and do not spawn every year, Paddlefish Size 5ft & 60lbs Largest 198lbs, the rostrum is used as an electrosensory antenna to detect food just A theory Some found w/o rostrum still able, Paddlefish Ideally Live in large rivers, riverines, and lakes, Paddlefish are Planktivores, Paddlefish Lifespan Live greater than twenty years do not have a way to tell age beyond this point, Paddlefish Reproduction Lay eggs in 10 ft deep streams in gravel bars, scatters eggs over submerged gravel and cobble bars young hatch and drift down stream to deeper pools with slow water, Paddlefish parasitized By Lamprey, Paddlefish Closely Related to Sturgeon, rostrum detects weak electrical fields meaning the rostrum is used as an electrosensory antenna to detect food, Lay eggs in 10 ft deep streams in gravel bars lay Approximately kkkk eggs depending on age and size of mother, Paddlefish Also Known as Spoonbill, Planktivores main food zooplankton