The fish in the video is a Siamese Algae Eater, commonly used in aquariums to consume algae. Actually, it is quite effective, but the premise is that it has nothing else to eat but algae. If you feed the fish regularly and excessively, with lots of leftover food, it will prioritize the feed over algae. So, to fully utilize its effectiveness, you must balance the amount you feed the fish. 影片中的魚是 Siamese Algae Eater，常用在草缸吃藻。 其實它是真的蠻有效的，只是前提是他沒其他東西可以吃，他就會吃藻。如果你經常喂魚且喂很多，殘餌很多，他就會先吃飼料，其次再吃藻。 所以要想發揮好他的

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