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 193 - 216 of 735 Tank Mates

Harlequin Shark & Cockatoo Dwarf Cichlid

Labeo variegatus · Apistogramma cacatuoides

Possible with Caution

Harlequin Shark: AggressiveCockatoo Dwarf Cichlid: Semi-Aggressive

Harlequin Shark & Colombian Shark Catfish (Brackish)

Labeo variegatus · Ariopsis seemanni

Harlequin Shark & Colombian Tetra

Labeo variegatus · Hyphessobrycon columbianus

Possible with Caution

Harlequin Shark: AggressiveColombian Tetra: Mostly Peaceful

Harlequin Shark & Common Pleco

Labeo variegatus · Hypostomus plecostomus

Possible with Caution

Harlequin Shark: AggressiveCommon Pleco: Mostly Peaceful

Harlequin Shark & Common Pleco (Amazon Sailfin)

Labeo variegatus · Pterygoplichthys pardalis

Possible with Caution

Harlequin Shark: AggressiveCommon Pleco (Amazon Sailfin): Mostly Peaceful

Harlequin Shark & Common Synodontis (False Upside Down Catfish)

Labeo variegatus · Synodontis nigrita

Possible with Caution

Harlequin Shark: AggressiveCommon Synodontis (False Upside Down Catfish): Mostly Peaceful

Harlequin Shark & Common Whiptail Catfish

Labeo variegatus · Rineloricaria eigenmanni

Possible with Caution

Harlequin Shark: AggressiveCommon Whiptail Catfish: Peaceful

Harlequin Shark & Congo Bichir

Labeo variegatus · Polypterus endlicheri congicus

Possible with Caution

Harlequin Shark: AggressiveCongo Bichir: Aggressive

Harlequin Shark & Congo Puffer (Potato Puffer)

Labeo variegatus · Tetraodon miurus

Possible with Caution

Harlequin Shark: AggressiveCongo Puffer (Potato Puffer): Highly Aggressive

Harlequin Shark & Congo Tetra

Labeo variegatus · Phenacogrammus interruptus

Possible with Caution

Harlequin Shark: AggressiveCongo Tetra: Peaceful

Harlequin Shark & Contradens Pleco (Snowball Variant)

Labeo variegatus · Hypancistrus contradens

Possible with Caution

Harlequin Shark: AggressiveContradens Pleco (Snowball Variant): Mostly Peaceful

Harlequin Shark & Convict Cichlid

Labeo variegatus · Amatitlania nigrofasciata

Possible with Caution

Harlequin Shark: AggressiveConvict Cichlid: Aggressive

Harlequin Shark & Copper Harlequin Rasbora

Labeo variegatus · Trigonostigma hengeli

Possible with Caution

Harlequin Shark: AggressiveCopper Harlequin Rasbora: Peaceful

Harlequin Shark & Corona Rainbowfish

Labeo variegatus · Melanotaenia corona

Possible with Caution

Harlequin Shark: AggressiveCorona Rainbowfish: Peaceful

Harlequin Shark & Crimsonspotted Rainbowfish

Labeo variegatus · Melanotaenia duboulayi

Possible with Caution

Harlequin Shark: AggressiveCrimsonspotted Rainbowfish: Peaceful

Harlequin Shark & Crying Whiptail

Labeo variegatus · Loricaria sp. "Rio Atabapo"

Possible with Caution

Harlequin Shark: AggressiveCrying Whiptail: Peaceful

Harlequin Shark & Cuban Cichlid

Labeo variegatus · Nandopsis tetracanthus

Possible with Caution

Harlequin Shark: AggressiveCuban Cichlid: Aggressive

Harlequin Shark & Cuban Gar

Labeo variegatus · Atractosteus tristoechus

Possible with Caution

Harlequin Shark: AggressiveCuban Gar: Semi-Aggressive

Harlequin Shark & Cuckoo Catfish

Labeo variegatus · Synodontis multipunctatus

Possible with Caution

Harlequin Shark: AggressiveCuckoo Catfish: Semi-Aggressive

Harlequin Shark & Cupid Cichlid

Labeo variegatus · Biotodoma cupido

Possible with Caution

Harlequin Shark: AggressiveCupid Cichlid: Mostly Peaceful

Harlequin Shark & Cutteri Cichlid

Labeo variegatus · Amatitlania cutteri

Possible with Caution

Harlequin Shark: AggressiveCutteri Cichlid: Aggressive

Harlequin Shark & Cyprichromis Leptosoma

Labeo variegatus · Cyprichromis leptosoma

Harlequin Shark & Dainty Cory (Salt and Pepper Cory)

Labeo variegatus · Corydoras habrosus

Possible with Caution

Harlequin Shark: AggressiveDainty Cory (Salt and Pepper Cory): Peaceful

Harlequin Shark & Debauwi Catfish (Three-Striped Glass Catfish)

Labeo variegatus · Pareutropius buffei

Possible with Caution

Harlequin Shark: AggressiveDebauwi Catfish (Three-Striped Glass Catfish): Peaceful