Harlequin Shark Tank Mates & Compatibility

Harlequin Shark

Labeo variegatus

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TemperamentAggressive (8/10)

Adult Size16 cm

Temperature21–27°C

Water TypeFreshwater Only

Swim ZoneBottom

StockingSolo only

Showing 553 - 576 of 735 Tank Mates

Harlequin Shark & Red Phantom Tetra

Labeo variegatus · Hyphessobrycon sweglesi

Possible with Caution

Harlequin Shark: AggressiveRed Phantom Tetra: Peaceful

Harlequin Shark & Red Rainbowfish

Labeo variegatus · Glossolepis incisus

Possible with Caution

Harlequin Shark: AggressiveRed Rainbowfish: Mostly Peaceful

Harlequin Shark & Red Striped Eartheater

Labeo variegatus · Geophagus surinamensis

Possible with Caution

Harlequin Shark: AggressiveRed Striped Eartheater: Mostly Peaceful

Harlequin Shark & Red Swamp Crayfish

Labeo variegatus · Procambarus clarkii

Possible with Caution

Harlequin Shark: AggressiveRed Swamp Crayfish: Highly Aggressive

Harlequin Shark & Red Tail Barracuda

Labeo variegatus · Acestrorhynchus falcatus

Possible with Caution

Harlequin Shark: AggressiveRed Tail Barracuda: Aggressive

Harlequin Shark & Red Tailed Black Shark

Labeo variegatus · Epalzeorhynchos bicolor

Possible with Caution

Harlequin Shark: AggressiveRed Tailed Black Shark: Aggressive

Harlequin Shark & Red Tailed Redeye Puffer

Labeo variegatus · Carinotetraodon irrubesco

Possible with Caution

Harlequin Shark: AggressiveRed Tailed Redeye Puffer: Semi-Aggressive

Harlequin Shark & Red Terror (Festa's Cichlid)

Labeo variegatus · Mesoheros festae

Possible with Caution

Harlequin Shark: AggressiveRed Terror (Festa's Cichlid): Highly Aggressive

Harlequin Shark & Red Top Cobalt Cichlid

Labeo variegatus · Metriaclima greshakei

Possible with Caution

Harlequin Shark: AggressiveRed Top Cobalt Cichlid: Aggressive

Harlequin Shark & Red Tupfel Shrimp

Labeo variegatus · Caridina serrata

Possible with Caution

Harlequin Shark: AggressiveRed Tupfel Shrimp: Peaceful

Harlequin Shark & Red Zebra Cichlid (Cherry Red)

Labeo variegatus · Metriaclima estherae

Harlequin Shark & Red-Bellied Piranha

Labeo variegatus · Pygocentrus nattereri

Possible with Caution

Harlequin Shark: AggressiveRed-Bellied Piranha: Aggressive

Harlequin Shark & Red-Finned Rainbowfish

Labeo variegatus · Melanotaenia rubripinnis

Possible with Caution

Harlequin Shark: AggressiveRed-Finned Rainbowfish: Peaceful

Harlequin Shark & Red-Tail Catfish

Labeo variegatus · Phractocephalus hemioliopterus

Possible with Caution

Harlequin Shark: AggressiveRed-Tail Catfish: Aggressive

Harlequin Shark & Redbreast Sunfish

Labeo variegatus · Lepomis auritus

Possible with Caution

Harlequin Shark: AggressiveRedbreast Sunfish: Aggressive

Harlequin Shark & Redear Sunfish

Labeo variegatus · Lepomis microlophus

Possible with Caution

Harlequin Shark: AggressiveRedear Sunfish: Semi-Aggressive

Harlequin Shark & Redhead Cichlid

Labeo variegatus · Vieja melanura

Possible with Caution

Harlequin Shark: AggressiveRedhead Cichlid: Aggressive

Harlequin Shark & Redhead Severum

Labeo variegatus · Heros sp. Rotkeil

Possible with Caution

Harlequin Shark: AggressiveRedhead Severum: Semi-Aggressive

Harlequin Shark & Redline Rasbora

Labeo variegatus · Rasbora pauciperforata

Possible with Caution

Harlequin Shark: AggressiveRedline Rasbora: Peaceful

Harlequin Shark & Redtail Splitfin

Labeo variegatus · Xenotoca eiseni

Possible with Caution

Harlequin Shark: AggressiveRedtail Splitfin: Semi-Aggressive

Harlequin Shark & Reedfish (Ropefish)

Labeo variegatus · Erpetoichthys calabaricus

Possible with Caution

Harlequin Shark: AggressiveReedfish (Ropefish): Mostly Peaceful

Harlequin Shark & Regan's Julie

Labeo variegatus · Julidochromis regani

Harlequin Shark & Reticulated Hillstream Loach

Labeo variegatus · Sewellia lineolata

Possible with Caution

Harlequin Shark: AggressiveReticulated Hillstream Loach: Mostly Peaceful

Harlequin Shark & Reticulated Stingray (Teacup Ray)

Labeo variegatus · Potamotrygon orbignyi

Possible with Caution

Harlequin Shark: AggressiveReticulated Stingray (Teacup Ray): Mostly Peaceful