Habitat use, consumption, and growth by slimy sculpin (Cottus cognatus) held under different levels of temperature at Toolik Field Station 2019

We tested effects of temperature (12 and 19.3 degrees C; 27 days) on habitat use, consumption, and growth of slimy sculpin (Cottus cognatus). To measure temperature selection by sculpin, we connected two 5.7 L tanks with a PVC pipe that was passable by sculpin (n = 12 tanks). We heated one side of the tank to 12 °C and the other to 19.3 °C using aquarium heaters.

本实验探究了温度梯度（12℃与19.3℃，实验周期27天）对黏滑杜父鱼（slimy sculpin, Cottus cognatus）的生境利用、摄食与生长的影响。为测定杜父鱼的温度选择行为，我们采用可供杜父鱼通行的PVC管道连接两个容积为5.7升的水族箱，共设置12组此类实验装置（n=12）。我们通过水族箱加热器将每套装置中一个水族箱的水温控制为12℃，另一个控制为19.3℃。