Study reveals #ToolUse in tropical #fish species https://phys.org/news/2025-03-reveals-tool-tropical-fish-species.html

Tool use by New World Halichoeres wrasses https://link.springer.com/article/10.1007/s00338-025-02633-w

"#Wrasses use hard surfaces, also called 'anvils,' to crack open hard-shelled prey such as #crabs and #mollusks... researchers gathered 16 new observations across five species of #Halichoeres wrasses... suggest the behavior is far more common than previously thought."