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 25 - 48 of 735 Tank Mates

Harlequin Shark & Alligator Pleco

Labeo variegatus · Pterygoplichthys scrophus

Possible with Caution

Harlequin Shark: AggressiveAlligator Pleco: Mostly Peaceful

Harlequin Shark & Altifrons Eartheater

Labeo variegatus · Geophagus altifrons

Possible with Caution

Harlequin Shark: AggressiveAltifrons Eartheater: Mostly Peaceful

Harlequin Shark & Altolamprologus Calvus

Labeo variegatus · Altolamprologus calvus

Harlequin Shark & Altolamprologus Compressiceps

Labeo variegatus · Altolamprologus compressiceps

Harlequin Shark & Altum Angel

Labeo variegatus · Pterophyllum altum

Possible with Caution

Harlequin Shark: AggressiveAltum Angel: Semi-Aggressive

Harlequin Shark & Amano Shrimp

Labeo variegatus · Caridina multidentata

Possible with Caution

Harlequin Shark: AggressiveAmano Shrimp: Peaceful

Harlequin Shark & Amazon Leaf Fish

Labeo variegatus · Monocirrhus polyacanthus

Possible with Caution

Harlequin Shark: AggressiveAmazon Leaf Fish: Peaceful

Harlequin Shark & Amazon Puffer

Labeo variegatus · Colomesus asellus

Possible with Caution

Harlequin Shark: AggressiveAmazon Puffer: Mostly Peaceful

Harlequin Shark & American Grass Shrimp

Labeo variegatus · Palaemonetes kadiakensis

Possible with Caution

Harlequin Shark: AggressiveAmerican Grass Shrimp: Peaceful

Harlequin Shark & Andinoacara sp. Gold Saum

Labeo variegatus · Andinoacara sp. "Gold Saum"

Possible with Caution

Harlequin Shark: AggressiveAndinoacara sp. Gold Saum: Aggressive

Harlequin Shark & Angelicus Botia

Labeo variegatus · Botia kubotai

Possible with Caution

Harlequin Shark: AggressiveAngelicus Botia: Mostly Peaceful

Harlequin Shark & Angelicus Pleco L073

Labeo variegatus · Hypancistrus sp. L073

Possible with Caution

Harlequin Shark: AggressiveAngelicus Pleco L073: Mostly Peaceful

Harlequin Shark & Angfa Rainbowfish

Labeo variegatus · Melanotaenia angfa

Possible with Caution

Harlequin Shark: AggressiveAngfa Rainbowfish: Peaceful

Harlequin Shark & Antennae Stingray

Labeo variegatus · Plesiotrygon iwamae

Possible with Caution

Harlequin Shark: AggressiveAntennae Stingray: Semi-Aggressive

Harlequin Shark & Apistogramma Black-Chin

Labeo variegatus · Apistogramma allpahuayo

Possible with Caution

Harlequin Shark: AggressiveApistogramma Black-Chin: Semi-Aggressive

Harlequin Shark & Apistogramma Broad-banded

Labeo variegatus · Apistogramma breitbinden

Possible with Caution

Harlequin Shark: AggressiveApistogramma Broad-banded: Semi-Aggressive

Harlequin Shark & Apistogramma Mamoré

Labeo variegatus · Apistogramma erythrura

Possible with Caution

Harlequin Shark: AggressiveApistogramma Mamoré: Mostly Peaceful

Harlequin Shark & Apistogramma Marmor (Marbled Apisto)

Labeo variegatus · Apistogramma erythrura

Possible with Caution

Harlequin Shark: AggressiveApistogramma Marmor (Marbled Apisto): Mostly Peaceful

Harlequin Shark & Apistogramma Mouthbrooder (Maulbrüter)

Labeo variegatus · Apistogramma barlowi

Possible with Caution

Harlequin Shark: AggressiveApistogramma Mouthbrooder (Maulbrüter): Semi-Aggressive

Harlequin Shark & Apistogramma Orange-tail

Labeo variegatus · Apistogramma cf. eunotus "Orange-tail"

Possible with Caution

Harlequin Shark: AggressiveApistogramma Orange-tail: Semi-Aggressive

Harlequin Shark & Apistogramma Parrot

Labeo variegatus · Apistogramma sp. "Parrot"

Possible with Caution

Harlequin Shark: AggressiveApistogramma Parrot: Semi-Aggressive

Harlequin Shark & Apistogramma Resticulosa Mamor

Labeo variegatus · Apistogramma cf. resticulosa Mamor

Possible with Caution

Harlequin Shark: AggressiveApistogramma Resticulosa Mamor: Mostly Peaceful

Harlequin Shark & Apistogramma Resticulosa Marmor

Labeo variegatus · Apistogramma cf. resticulosa "Marmor"

Possible with Caution

Harlequin Shark: AggressiveApistogramma Resticulosa Marmor: Mostly Peaceful

Harlequin Shark & Apistogramma atahualpa

Labeo variegatus · Apistogramma atahualpa

Possible with Caution

Harlequin Shark: AggressiveApistogramma atahualpa: Mostly Peaceful