Purple Firefish

Purple Firefish

Nemateleotris decora

beginnerpeacefulsaltwaterGoby$$Reef Safe

Min Tank Size

20 gal

Max Size

3.5"

Temperature

75–79°F

pH Range

8.1–8.4

Lifespan

3-6 years

Diet

Carnivore

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Overview

The Purple Firefish (Nemateleotris decora) is a beginner saltwater species known for its white, purple-red tail coloration. Purple and red variant. Mid.

Origin & Appearance

Origin: Indo-Pacific.

Colors: White, Purple-Red tail.

Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 9.0 x 1.6 x 2.7.

Sexual Dimorphism: Minimal.

Tank & Water Requirements

Min Tank Size20 gallons
Temperature7579°F
pH Range8.18.4
Water Hardness (GH)dKH 8-12
Bioloadlow
Oxygen Demandlow
Plant Safeyes
Aquarium PositionMid

Behavior & Activity

Mid-water hoverer facing current; dorsal fin flicks nervously; disappears into burrow at first sign of threat

Speed: 40/100Aggression: 2/10diurnal

Breeding

Moderate; egg depositor in burrow

Common Diseases

💊 Ich

Expert Notes

Purple and red variant

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