How do we know whether fish have feelings too?

This article from BBC Earth explores the question of whether fish have feelings. It discusses the different ways in which fish demonstrate behaviors that could be indicative of feeling emotions, such as forming social bonds, showing signs of stress, and exhibiting complex behaviors. The article also delves into scientific studies that have been conducted to investigate fish emotions, highlighting experiments that show fish experiencing pain, fear, and even joy. While the topic remains controversial among scientists, the article posits that there is growing evidence to suggest that fish do indeed have feelings, challenging the commonly held perception that they are emotionless creatures.