The plural form of allmouth; multiple large-mouthed deep-sea fish of the genus Argyropelecus.
Standard English pluralization of the compound noun 'allmouth' by adding the -s suffix, following regular plural formation rules.
When scientists discover new species, they often use simple descriptive names in English—like 'allmouths'—even though each species also gets a fancy Latin scientific name, creating a two-name system for clarity.
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