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 289 - 312 of 735 Tank Mates

Harlequin Shark & Freshwater Barracuda

Labeo variegatus · Ctenolucius hujeta

Possible with Caution

Harlequin Shark: AggressiveFreshwater Barracuda: Semi-Aggressive

Harlequin Shark & Freshwater Flounder

Labeo variegatus · Trinectes maculatus

Harlequin Shark & Freshwater Harlequin Shrimp (Sulawesi)

Labeo variegatus · Caridina cf. spongicola

Possible with Caution

Harlequin Shark: AggressiveFreshwater Harlequin Shrimp (Sulawesi): Peaceful

Harlequin Shark & Freshwater Shark (Wallago)

Labeo variegatus · Wallago attu

Possible with Caution

Harlequin Shark: AggressiveFreshwater Shark (Wallago): Highly Aggressive

Harlequin Shark & Freshwater Sole

Labeo variegatus · Brachirus selheimi

Possible with Caution

Harlequin Shark: AggressiveFreshwater Sole: Mostly Peaceful

Harlequin Shark & Freshwater Toadfish (Prehistoric Monster Fish)

Labeo variegatus · Thalassophryne amazonica

Possible with Caution

Harlequin Shark: AggressiveFreshwater Toadfish (Prehistoric Monster Fish): Aggressive

Harlequin Shark & Frogmouth Catfish

Labeo variegatus · Chaca chaca

Possible with Caution

Harlequin Shark: AggressiveFrogmouth Catfish: Aggressive

Harlequin Shark & Frontosa

Labeo variegatus · Cyphotilapia frontosa

Harlequin Shark & Fuelleborn's Cichlid

Labeo variegatus · Labeotropheus fuelleborni

Harlequin Shark & Gangetic Leaf Fish

Labeo variegatus · Nandus nandus

Possible with Caution

Harlequin Shark: AggressiveGangetic Leaf Fish: Aggressive

Harlequin Shark & Gardner's Killifish

Labeo variegatus · Fundulopanchax gardneri

Possible with Caution

Harlequin Shark: AggressiveGardner's Killifish: Mostly Peaceful

Harlequin Shark & Garnet Tetra

Labeo variegatus · Hemigrammus pulcher

Possible with Caution

Harlequin Shark: AggressiveGarnet Tetra: Peaceful

Harlequin Shark & Geophagus Orange Head Tapajos

Labeo variegatus · Geophagus sp. 'Orange Head'

Possible with Caution

Harlequin Shark: AggressiveGeophagus Orange Head Tapajos: Mostly Peaceful

Harlequin Shark & German Blue Ram

Labeo variegatus · Mikrogeophagus ramirezi

Possible with Caution

Harlequin Shark: AggressiveGerman Blue Ram: Mostly Peaceful

Harlequin Shark & Gertrude's Spotted Blue-eye

Labeo variegatus · Pseudomugil gertrudae

Possible with Caution

Harlequin Shark: AggressiveGertrude's Spotted Blue-eye: Peaceful

Harlequin Shark & Ghost Shrimp

Labeo variegatus · Palaemonetes paludosus

Possible with Caution

Harlequin Shark: AggressiveGhost Shrimp: Peaceful

Harlequin Shark & Giant Danio

Labeo variegatus · Devario aequipinnatus

Possible with Caution

Harlequin Shark: AggressiveGiant Danio: Mostly Peaceful

Harlequin Shark & Giant Gourami

Labeo variegatus · Osphronemus goramy

Possible with Caution

Harlequin Shark: AggressiveGiant Gourami: Semi-Aggressive

Harlequin Shark & Giant Whiptail Catfish

Labeo variegatus · Proloricaria prolixa

Possible with Caution

Harlequin Shark: AggressiveGiant Whiptail Catfish: Peaceful

Harlequin Shark & Glass Bloodfin Tetra

Labeo variegatus · Prionobrama filigera

Possible with Caution

Harlequin Shark: AggressiveGlass Bloodfin Tetra: Peaceful

Harlequin Shark & Glass Catfish

Labeo variegatus · Kryptopterus vitreolus

Possible with Caution

Harlequin Shark: AggressiveGlass Catfish: Peaceful

Harlequin Shark & Glowlight Danio

Labeo variegatus · Danio choprae

Possible with Caution

Harlequin Shark: AggressiveGlowlight Danio: Peaceful

Harlequin Shark & Glowlight Tetra

Labeo variegatus · Hemigrammus erythrozonus

Possible with Caution

Harlequin Shark: AggressiveGlowlight Tetra: Peaceful

Harlequin Shark & Goby Pleco (Pitbull Pleco)

Labeo variegatus · Parotocinclus jumbo

Possible with Caution

Harlequin Shark: AggressiveGoby Pleco (Pitbull Pleco): Peaceful