False Giant Danio

Devario affinis

False Giant Danio is a middle swimmer.

Semi-AggressiveMiddle swimmerBeginner – Intermediate

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Need help with False Giant Danio?

Explore compatibility, care or problems using this guide and your aquarium’s conditions.

Quick facts

Adult size: ≤ 3.1" (≤ 8 cm)
Aquarium size: 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Semi-Aggressive
Swimming zone: Middle swimmer
Temperature: 68–79°F (20–26°C)
pH: 6–8
GH: 5–19 dGH
Diet: Omnivore
Lifespan: up to 7 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 7 years.

Aquarium size and space needs

Minimum aquarium size: 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 20–26 °C, pH 6–8, GH 5–19 dGH.

Temperament and compatibility

False Giant Danio needs careful companion choice because it can be territorial or semi-aggressive.

Swimming zone and behavior

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

Feeding

As an omnivore, False Giant Danio should receive a varied diet rather than one repeated food type.

Offer a varied omnivorous diet of appropriately sized dried foods and live/frozen foods while maintaining active-flow food access.

Before adding this fish

Plan for an aquarium of 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
Choose other fish carefully around this temperament.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Myanmar.

Important notes

No species-specific evidence for an exact six-fish minimum: that guideline is explicitly genus-derived.
No source-verified GH, KH or long-term pH interval; do not use the dated values as confirmed.

Similar fish profiles

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

Barred Danio Devario pathirana Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 73–79°F (23–26°C) Blue Moon Danio Devario xyrops Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 64–79°F (18–26°C) Assam Danio Devario assamensis Same genus Same family Similar care level Beginner – Intermediate ≤ 3.5" (≤ 9 cm) 59–72°F (15–22°C) Bengal Danio Devario devario Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 59–79°F (15–26°C) Blood Tailed Danio Devario annandalei Same genus Same family Similar care level Beginner – Intermediate ≤ 3.9" (≤ 10 cm) 70–79°F (21–26°C) Blue Spotted Hill Trout Barilius bakeri Same family Similar care level Same temperament Intermediate – Advanced ≤ 5.1" (≤ 13 cm) 64–79°F (18–26°C)

FAQ

How large does False Giant Danio get?

False Giant Danio reaches ≤ 3.1" (≤ 8 cm).

What aquarium size does False Giant Danio need?

Use an aquarium of at least 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.

Is False Giant Danio peaceful?

False Giant Danio needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.

What temperature is suitable for False Giant Danio?

Keep it between 20 to 26 °C.