Repeat spawner series: “Winter: the forgotten study season”

At the Fisheries Blog, we’re starting a new series of posts, once a month, where we bring back “oldie but goodie” posts from our now extensive archive. Rest assured, these “repeat spawner” posts, smell a whole lot better than that leftover fish you found in the fridge from two weeks ago!

How do fish handle cold water?

Summertime’s come and gone, and winter has arrived in the Northern Hemisphere. Inland waters across North America are cooling down, and many will soon be covered with ice. Winter can be hard on fishes, being poikilotherms that can’t regulate their own body temperature (with some exceptions). So just how do they make it through this…