
Source: Wikimedia Commons
Nemateleotris decora
A beautiful dartfish with purple body and elongated dorsal fin. Shy but stunning coloration.
A beautiful dartfish with purple body and elongated dorsal fin. Shy but stunning coloration. Diet: Frozen food, Pellets. Lifespan: 3-5 years. Adult size: 7-9cm. Water: Specific gravity 1.023-1.025. Temperature: Maintain 24-26°C.
Lifespan
3-5 years
Size
7-9cm
Temperature
23〜26℃
Frozen food, Pellets
Specific gravity 1.023-1.025
Maintain 24-26°C
Provide many hiding spots
Jumping common, lid required
Sources: LiveAquaria
Edited & verified by: br-choku editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Sources: CITES Appendices (species not listed) / 環境省 特定動物リスト / 環境省 特定外来生物等一覧
Regulations may change. Always verify the latest information with the relevant authorities.
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Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Purple Firefish is 23〜26℃. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Purple Firefish is 3-5 years. With proper care and nutrition, they can live a long and healthy life.
Purple Firefish typically reaches 7-9cm as an adult. Size may vary depending on care conditions and individual genetics.
Purple Firefish feeds on: Frozen food, Pellets. Aim for a balanced diet with appropriate feeding frequency.
The price of Purple Firefish varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: June 23, 2026