CreatureData

Neon rainbowfish

Melanotaenia praecox (Weber & de Beaufort, 1922)

Status not recordedbony fish

The neon rainbowfish (Melanotaenia praecox) is a species in the family Melanotaeniidae, order Atheriniformes.

No freely licensed photo yet

Quick facts about the neon rainbowfish

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the neon rainbowfish live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the neon rainbowfish as introduced in 1 country.

  1. Mexico

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the neon rainbowfish endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the neon rainbowfish classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classTeleostei
  4. orderAtheriniformes
  5. familyMelanotaeniidae
  6. genusMelanotaenia
  7. SpeciesMelanotaenia praecox (Weber & de Beaufort, 1922)

Synonyms Rhombatractus praecox

Other names and names in other languages (7)
  • Dwarf rainbowfishEnglish
  • Teczanka neonowaEnglish
  • duhovka diamantováCzech
  • Neon-RegenbogenfischGerman
  • Diamant-RegenbogenfischGerman
  • Neonblauer RegenbogenfischGerman
  • Smaragd-RegenbogenfischGerman

Catalogue of Life

Relatives of the neon rainbowfish

Other species in the same genus Melanotaenia.

CompareNeon rainbowfish vs Boesemani rainbowfishNeon rainbowfish vs Turquoise rainbowfishNeon rainbowfish vs Lake Kurumoi rainbowfishNeon rainbowfish vs Lake Tebera rainbowfish

Common questions

Answered only where our data holds the answer.

Is the neon rainbowfish an invasive species?

The Global Register of Introduced and Invasive Species lists the neon rainbowfish as introduced in 1 country: Mexico, but does not flag it as invasive in any of them.

What kind of animal is the neon rainbowfish?

The neon rainbowfish (Melanotaenia praecox) belongs to the family Melanotaeniidae in the order Atheriniformes.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Neon rainbowfish (Melanotaenia praecox). Retrieved from https://creaturedata.com/animals/neon-rainbowfish

MLA

“Neon rainbowfish (Melanotaenia praecox).” CreatureData, 2026, https://creaturedata.com/animals/neon-rainbowfish.

BibTeX
@misc{neon_rainbowfish_2026,
  title = {Neon rainbowfish (Melanotaenia praecox)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/neon-rainbowfish},
  note = {Data as of 2026-11-14}
}