Viviane Barroso

1 INTRODUCTION Acoustic communication is widespread among teleost fishes and plays an important role in social interactions such as mate attraction and territorial defence (Amorim et al., 2006; Hastings & Thomas, 2025; Ladich, 2014). Variation in acoustic signals across behavioural contexts is central to animal communication, allowing individuals to signal motivational state, reproductive condition, or aggressive intent (Looby et al., 2023).