Red Peacock (Ruby Red)
Aulonocara sp. 'Rubescens'
Cichlids - African
15 cm Semi-Aggressive
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Fish Compatibility Guide
Find out which freshwater fish can live together. Select a species below to view its compatibility with every other fish in our database, including tank size requirements, water parameter overlap, and temperament assessments.
Showing 553 - 576 of 736 Fish Species
Red Phantom Tetra
Hyphessobrycon sweglesi
Characins
4 cm Peaceful
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Red Rainbowfish
Glossolepis incisus
Rainbowfish
15 cm Mostly Peaceful
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Red Striped Eartheater
Geophagus surinamensis
Cichlids - South American
25 cm Mostly Peaceful
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Red Swamp Crayfish
Procambarus clarkii
Invertebrates
12 cm Highly Aggressive
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Red Tail Barracuda
Acestrorhynchus falcatus
Characins
27 cm Aggressive
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Red Tailed Black Shark
Epalzeorhynchos bicolor
Cyprinids
15 cm Aggressive
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Red Tailed Redeye Puffer
Carinotetraodon irrubesco
Puffers
4.5 cm Semi-Aggressive
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Red Terror (Festa's Cichlid)
Mesoheros festae
Cichlids - South American
40 cm Highly Aggressive
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Red Top Cobalt Cichlid
Metriaclima greshakei
Cichlids - African
13 cm Aggressive
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Red Tupfel Shrimp
Caridina serrata
Invertebrates
3 cm Peaceful
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Red Zebra Cichlid (Cherry Red)
Metriaclima estherae
Cichlids - African
11 cm Aggressive
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Red-Bellied Piranha
Pygocentrus nattereri
Characins
30 cm Aggressive
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Red-Finned Rainbowfish
Melanotaenia rubripinnis
Rainbowfish
10.5 cm Peaceful
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Red-Tail Catfish
Phractocephalus hemioliopterus
Catfish
120 cm Aggressive
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Redbreast Sunfish
Lepomis auritus
Other
20 cm Aggressive
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Redear Sunfish
Lepomis microlophus
Other
25 cm Semi-Aggressive
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Redhead Cichlid
Vieja melanura
Cichlids - Central American
35 cm Aggressive
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Redhead Severum
Heros sp. Rotkeil
Cichlids - South American
22 cm Semi-Aggressive
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Redline Rasbora
Rasbora pauciperforata
Cyprinids
7 cm Peaceful
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Redtail Splitfin
Xenotoca eiseni
Livebearers
7 cm Semi-Aggressive
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Reedfish (Ropefish)
Erpetoichthys calabaricus
Oddballs
37 cm Mostly Peaceful
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Regan's Julie
Julidochromis regani
Cichlids - African
13 cm Aggressive
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Reticulated Hillstream Loach
Sewellia lineolata
Loaches
6.5 cm Mostly Peaceful
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