The latest discovery of the fish was made in 2003. Scientists helped the fish to return and tried to track (追踪) it.
有关这种鱼的最新发现是在2003年。科学家帮助鱼群返回并试图对其进行追踪。
2
And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.
并控制三刺鱼在跟快艇噪音程度相当的白噪声中,或者完全安静的环境之下,观察它们捕食水蚤的情况。
3
Dr Couzin has been using a program developed by Colin Twomey, a graduate student at his laboratory, to track individual fish in a tank.