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 145 - 168 of 735 Tank Mates

Harlequin Shark & Buccochromis lepturus

Labeo variegatus · Buccochromis lepturus

Possible with Caution

Harlequin Shark: AggressiveBuccochromis lepturus: Semi-Aggressive

Harlequin Shark & Buccochromis rhoadesii

Labeo variegatus · Buccochromis rhoadesii

Harlequin Shark & Bucktooth Tetra (Exodon)

Labeo variegatus · Exodon paradoxus

Possible with Caution

Harlequin Shark: AggressiveBucktooth Tetra (Exodon): Highly Aggressive

Harlequin Shark & Buenos Aires Tetra

Labeo variegatus · Hyphessobrycon anisitsi

Possible with Caution

Harlequin Shark: AggressiveBuenos Aires Tetra: Semi-Aggressive

Harlequin Shark & Buettikoferi Bichir

Labeo variegatus · Polypterus palmas buettikoferi

Possible with Caution

Harlequin Shark: AggressiveBuettikoferi Bichir: Semi-Aggressive

Harlequin Shark & Buffalo Head Cichlid

Labeo variegatus · Steatocranus casuarius

Possible with Caution

Harlequin Shark: AggressiveBuffalo Head Cichlid: Semi-Aggressive

Harlequin Shark & Bullseye Catfish

Labeo variegatus · Horabagrus brachysoma

Possible with Caution

Harlequin Shark: AggressiveBullseye Catfish: Semi-Aggressive

Harlequin Shark & Bullseye Snakehead

Labeo variegatus · Channa marulius

Possible with Caution

Harlequin Shark: AggressiveBullseye Snakehead: Highly Aggressive

Harlequin Shark & Bulolo Rainbowfish

Labeo variegatus · Chilatherina bulolo

Possible with Caution

Harlequin Shark: AggressiveBulolo Rainbowfish: Peaceful

Harlequin Shark & Bumblebee Catfish (South American)

Labeo variegatus · Microglanis iheringi

Possible with Caution

Harlequin Shark: AggressiveBumblebee Catfish (South American): Mostly Peaceful

Harlequin Shark & Bumblebee Cichlid

Labeo variegatus · Pseudotropheus crabro

Harlequin Shark & Bumblebee Goby (Brackish)

Labeo variegatus · Brachygobius xanthozonus

Harlequin Shark & Butterfly Goodeid

Labeo variegatus · Ameca splendens

Possible with Caution

Harlequin Shark: AggressiveButterfly Goodeid: Semi-Aggressive

Harlequin Shark & Butterfly Peacock Cichlid

Labeo variegatus · Aulonocara jacobfreibergi

Harlequin Shark & Butterfly Pleco (L168)

Labeo variegatus · Dekeyseria brachyura

Possible with Caution

Harlequin Shark: AggressiveButterfly Pleco (L168): Peaceful

Harlequin Shark & Cairns Rainbowfish

Labeo variegatus · Cairnsichthys rhombosomoides

Possible with Caution

Harlequin Shark: AggressiveCairns Rainbowfish: Peaceful

Harlequin Shark & Candy Striped Pleco (L015)

Labeo variegatus · Peckoltia vittata

Possible with Caution

Harlequin Shark: AggressiveCandy Striped Pleco (L015): Mostly Peaceful

Harlequin Shark & Cardinal Shrimp (Sulawesi)

Labeo variegatus · Caridina dennerli

Possible with Caution

Harlequin Shark: AggressiveCardinal Shrimp (Sulawesi): Peaceful

Harlequin Shark & Cardinal Tetra

Labeo variegatus · Paracheirodon axelrodi

Possible with Caution

Harlequin Shark: AggressiveCardinal Tetra: Peaceful

Harlequin Shark & Celebes Halfbeak

Labeo variegatus · Nomorhamphus liemi

Possible with Caution

Harlequin Shark: AggressiveCelebes Halfbeak: Mostly Peaceful

Harlequin Shark & Celebes Rainbowfish

Labeo variegatus · Marosatherina ladigesi

Possible with Caution

Harlequin Shark: AggressiveCelebes Rainbowfish: Peaceful

Harlequin Shark & Celestial Pearl Danio (Galaxy Rasbora)

Labeo variegatus · Danio margaritatus

Possible with Caution

Harlequin Shark: AggressiveCelestial Pearl Danio (Galaxy Rasbora): Peaceful

Harlequin Shark & Ceylon Puffer (Brackish)

Labeo variegatus · Dichotomyctere fluviatilis

Harlequin Shark & Chanchito

Labeo variegatus · Australoheros facetus

Possible with Caution

Harlequin Shark: AggressiveChanchito: Semi-Aggressive