Like terrestrial animals, fish make sounds so as to “attract the opposite sex, for orientation, as a defense against enemies, and for general communication and intimidation, ” says Burgess.
Nagu maismaaloomadki, tekitavad kalad helisid selleks, et „meelitada enda juurde vastassugupoolt, õigesti orienteeruda, kaitsta end vaenlaste eest ning lihtsalt suhelda ja teisi hirmutada ”, väidab Burgess.