It was 15 years ago we started as a molding company and later driven by the liking and understanding of Marine fish keeping, we started the manufacturing of protein skimmer.

15年前，我们开始是一家塑料模具公司，后来因喜爱和养殖海水热带鱼类，而开始研发及生产海水用化氮器。

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Offspring of these fish would likely behave like their parents and feed and live in the same area, keeping them separate from the original population.

这些鱼的后代很可能会像它们的父母一样，在同一地区捕食、生活，并与原来的种群分隔开来。

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Although the atoll lost many corals, it kept an abundance of grazing fish that help reefs recover by keeping them clean.

尽管这里的环礁损失了很多珊瑚，但依然有大量的草食鱼类通过清理珊瑚礁来帮助它们复苏。

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He had to throw the fish back because of conservation rules that forbid keeping fish between 17 and 26 inches, but he still regarded it as a good day.

WSJ: Fishing Is Just Not the Same Without a Very Cold Brew

Unlike human fishing techniques, which tend not to discriminate between sick and healthy specimens, sharks are selective: they target weakened prey, thereby keeping fish populations healthy and strengthening the gene pool.

UNESCO: Open Access to Scientific Information

Another 31 million is used to irrigate crops, and 39 million more flows through rivers and streams, keeping the fish and frogs wet.

FORBES: Magazine Article