是害蟲嗎長得很奇怪

作者: ziyun (倚軒)   2022-09-11 21:48:07
https://i.imgur.com/xoD2H4l.jpg
缸裡有蝦魚螺
想問是有害的蟲嗎
作者: chungyi64330   2022-09-12 08:01:00
蜻蜓的幼蟲,專吃水裡的魚蝦

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