Red Neon Blue Eye Rainbowfish

Pseudomugil luminatus

Red Neon Blue Eye Rainbowfish is a peaceful middle-to-top swimmer. Keep in a loose group of 8+.

PeacefulMiddle to top swimmerKeep in a loose group of 8+Beginner – Intermediate

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Quick facts

Adult size: ≤ 1.4" (≤ 3.5 cm)
Aquarium size: 14 US gal (54 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Middle to top swimmer
Temperature: 64–79°F (18–26°C)
pH: 6.5–7.5
GH: 2–12 dGH
KH: 3–10 dKH
Diet: Omnivore
Lifespan: up to 2 years
Group behavior: Keep in a loose group of 8+

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 2 years.

Aquarium size and space needs

Minimum aquarium size: 14 US gal (54 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length. Choose an aquarium that meets the listed minimum requirements.

Water parameters

Suitable water: temperature 18–26 °C, pH 6.5–7.5, GH 2–12 dGH, KH 3–10 dKH.

Temperament and compatibility

Red Neon Blue Eye Rainbowfish is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Before adding this fish

Plan for an aquarium of 14 US gal (54 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length.
Make room for its social group.
Avoid aggressive or highly competitive fish.
Keep in a loose group of 8+.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Indonesia Papua New Guinea.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Aru Rainbowfish Melanotaenia picta Same family Similar care level Same temperament Beginner – Intermediate ≤ 4.3" (≤ 11 cm) 72–79°F (22–26°C) Black Banded Rainbowfish Melanotaenia nigrans Same family Similar care level Same temperament Beginner – Intermediate ≤ 3.9" (≤ 10 cm) 73–82°F (23–28°C) Bird Song Goby Stiphodon surrufus Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 1.4" (≤ 3.5 cm) 72–82°F (22–28°C) Black Neon Tetra Hyphessobrycon herbertaxelrodi Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 1.4" (≤ 3.5 cm) 68–82°F (20–28°C) Blacknose Butterfly Barb Enteromius candens Similar care level Same temperament Bottom dweller Intermediate ≤ 1.4" (≤ 3.5 cm) 63–75°F (17–24°C) Blue Purple Emperor Tetra Inpaichthys kerri Similar care level Same temperament Same swimming zone Beginner ≤ 1.4" (≤ 3.5 cm) 75–81°F (24–27°C)

FAQ

How large does Red Neon Blue Eye Rainbowfish get?

Red Neon Blue Eye Rainbowfish reaches ≤ 1.4" (≤ 3.5 cm).

What aquarium size does Red Neon Blue Eye Rainbowfish need?

Use an aquarium of at least 14 US gal (54 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length.

Is Red Neon Blue Eye Rainbowfish peaceful?

Yes. Red Neon Blue Eye Rainbowfish is generally peaceful. Choose calm companions that won’t harass it or crowd it out at feeding time.

What temperature is suitable for Red Neon Blue Eye Rainbowfish?

Keep it between 18 to 26 °C.

Should Red Neon Blue Eye Rainbowfish be kept alone or in a group?

Red Neon Blue Eye Rainbowfish: Keep in a loose group of 8+.