Giant Danio tank mates
Devario aequipinnatus
6 rated pairings from the Giant Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Giant Danio needs at least 30 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Malabar Danio
Devario malabaricus
20 gal min · 3.5" adult · Peaceful
Same family and similar water requirements; compatible schooling behavior
Glowlight Danio
Danio choprai
10 gal min · 1.25" adult · Peaceful
Related danio species with matching temperature and activity levels

Leopard Danio
Danio rerio
10 gal min · 2" adult · Peaceful
Danio family member with similar peaceful temperament and speed
Good matches
3 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom-dweller that won't compete for food; helps with algae control

Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Similar size and peaceful nature; compatible water parameters

Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Nocturnal bottom-feeder that avoids competition; helps maintain tank cleanliness
Also recommended alongside Giant Danio
Species whose own guides list Giant Danio as a tank mate.

Amazon Sailfin Catfish
Pterygoplichthys pardalis
125 gal min · 19" adult · Peaceful
Bala Shark
Balantiocheilos melanopterus
125 gal min · 14" adult · Peaceful
Banded Leporinus
Leporinus fasciatus
55 gal min · 12" adult · Semi-aggressive
Marbled Sleeper Goby
Oxyeleotris marmorata
200 gal min · 24" adult · Aggressive
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.