See this on some common forage species including TFS.


https://srac.tamu.edu/serveFactSheet/12


Threadfin shad spawn starting at 67 to 70 ºF (19 to 21 ºC) and broadcast adhesive eggs over vegetation and woody debris. Prolific spawners, shad mature in less than 1 year and produce large quantities of eggs. The length of the spawning season is variable and spawning can occur over a broad temperature range.

Threadfin do not survive in cold water and usually die in winter outside
of the deep South and Florida. High
mortalities occur at 45 ºF (7 ºC), and most fish die at 40 ºF (4.4 ºC). Abrupt decreases in water temperature are particularly hard on the fish. For this reason, threadfin can overwinter in deeper reservoirs and large rivers in more northerly locations, but are less likely to survive in ponds.The native range of threadfin shad is the southern half of the Mississippi River Basin; portions of Alabama, Mississippi, Tennessee and Texas; and much of Florida. The species has been widely introduced into reservoirs and lakes throughout the Southeast.




Last edited by ewest; 12/25/18 09:58 AM.