三角鱼，别名三角鱼、蓝三角鱼。属鲤科，原产地是亚洲的泰国、马来西亚、印度尼西亚。三角鱼体呈纺锤形，稍侧扁，尾鳍呈叉形，体长可达5厘米，
由于鲑鱼和胡瓜鱼这些濒危物种受到威胁，国家当局已经要求消减从该三角洲往外输水的量。
State authorities have ordered cutbacks in deliveries of water from the delta because of the threat to endangered species such as salmon and smelt.
法院判决截断运河的抽水，以便保护三角洲里的胡瓜鱼，一种小型的濒危鱼类。
Judges have curtailed pumping in order to protect the delta smelt, a small, endangered fish.
现在，外围运河未来的命运取决于三角洲地区的水资源专家们，他们想合法的增加水泵站的数量就必须解决好胡瓜鱼和奇努克鲑鱼的安顿问题。
The canal's future now lies with the delta's water exporters, who must develop a plan for restoring smelt and salmon habitat before they can legally increase pumping.
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