a shoal of fish

https://pixabay.com/th/photos/%e0%b8%9b%e0%b8%a5%e0%b8%b2-%e0%b8%9d%e0%b8%b9%e0%b8%87-%e0%b9%83%e0%b8%95%e0%b9%89%e0%b8%99%e0%b9%89%e0%b8%b3-%e0%b8%97%e0%b8%b0%e0%b9%80%e0%b8%a5-%e0%b8%a1%e0%b8%ab%e0%b8%b2%e0%b8%aa%e0%b8%a1%e0%b8%b8%e0%b8%97%e0%b8%a3-1656504/