Standard Lemma guide

flagfish

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A freshwater fish in the family Cyprinodontidae native to Florida, Jordanella floridae, sometimes kept in aquaria and used in laboratory tests of the biological effects of environmental pollutants.

Definition source: English Wiktionary via Wiktextract

Usage: US, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a fish with a dark-blue back and whitish sides with red stripes; found in swamps and streams of Florida

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: American flagfish, Jordanella floridae

Antonyms: none provided

Broader terms: killifish

History

Etymology

From flag + fish. The red, white and blue stripes and dots are reminiscent of the American flag.