It may be primitive and not too pleasant, but fish like croakers and toadfish hum, grunt, and growl for the same reasons as other vertebrates: to attract mates and to threaten territorial invaders.
Source: tatoeba (11701189)
Croakers
Synonyms for "croakers" (40 found)
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Closest matches (8)
Strong matches (12)
Related words (20)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.