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

Stocking calculator

Compatible on paper, but will Harlequin Shark fit your setup?

Tank mates can still go wrong if the tank is too small, already full, or the water is a poor match. Add Harlequin Shark to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Harlequin Shark

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Showing 1 - 24 of 601 Tank Mates

Harlequin Shark & Abei Puffer

Labeo variegatus · Pao abei

Possible with Caution

Harlequin Shark: AggressiveAbei Puffer: Highly Aggressive

Harlequin Shark & Achara Catfish

Labeo variegatus · Leiarius marmoratus

Possible with Caution

Harlequin Shark: AggressiveAchara Catfish: Semi-Aggressive

Harlequin Shark & Adolfo Cory

Labeo variegatus · Corydoras adolfoi

Possible with Caution

Harlequin Shark: AggressiveAdolfo Cory: Peaceful

Harlequin Shark & Adonis Pleco

Labeo variegatus · Acanthicus adonis

Possible with Caution

Harlequin Shark: AggressiveAdonis Pleco: Aggressive

Harlequin Shark & Aequidens Jenaro Herrera

Labeo variegatus · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Harlequin Shark: AggressiveAequidens Jenaro Herrera: Semi-Aggressive

Harlequin Shark & Aequidens diadema (Diadem Cichlid)

Labeo variegatus · Aequidens diadema

Possible with Caution

Harlequin Shark: AggressiveAequidens diadema (Diadem Cichlid): Semi-Aggressive

Harlequin Shark & Aequidens sp. Atabapo

Labeo variegatus · Aequidens sp. Atabapo

Possible with Caution

Harlequin Shark: AggressiveAequidens sp. Atabapo: Semi-Aggressive

Harlequin Shark & Afra Cichlid

Labeo variegatus · Cynotilapia afra

Harlequin Shark & African Arowana

Labeo variegatus · Heterotis niloticus

Possible with Caution

Harlequin Shark: AggressiveAfrican Arowana: Mostly Peaceful

Harlequin Shark & African Butterfly Cichlid

Labeo variegatus · Anomalochromis thomasi

Possible with Caution

Harlequin Shark: AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

Harlequin Shark & African Butterfly Fish

Labeo variegatus · Pantodon buchholzi

Possible with Caution

Harlequin Shark: AggressiveAfrican Butterfly Fish: Semi-Aggressive

Harlequin Shark & African Clawed Frog

Labeo variegatus · Xenopus laevis

Possible with Caution

Harlequin Shark: AggressiveAfrican Clawed Frog: Aggressive

Harlequin Shark & African Dwarf Frog

Labeo variegatus · Hymenochirus boettgeri

Possible with Caution

Harlequin Shark: AggressiveAfrican Dwarf Frog: Peaceful

Harlequin Shark & African Jewel Cichlid

Labeo variegatus · Hemichromis bimaculatus

Possible with Caution

Harlequin Shark: AggressiveAfrican Jewel Cichlid: Aggressive

Harlequin Shark & African Knifefish

Labeo variegatus · Xenomystus nigri

Possible with Caution

Harlequin Shark: AggressiveAfrican Knifefish: Semi-Aggressive

Harlequin Shark & African Lungfish

Labeo variegatus · Protopterus annectens

Possible with Caution

Harlequin Shark: AggressiveAfrican Lungfish: Highly Aggressive

Harlequin Shark & African Pike

Labeo variegatus · Hepsetus odoe

Possible with Caution

Harlequin Shark: AggressiveAfrican Pike: Aggressive

Harlequin Shark & African Pipefish

Labeo variegatus · Enneacampus ansorgii

Possible with Caution

Harlequin Shark: AggressiveAfrican Pipefish: Peaceful

Harlequin Shark & Agassiz Cory

Labeo variegatus · Corydoras agassizii

Possible with Caution

Harlequin Shark: AggressiveAgassiz Cory: Peaceful

Harlequin Shark & Agassiz's Dwarf Cichlid

Labeo variegatus · Apistogramma agassizii

Possible with Caution

Harlequin Shark: AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

Harlequin Shark & Ajamaru Rainbowfish

Labeo variegatus · Melanotaenia ajamaruensis

Possible with Caution

Harlequin Shark: AggressiveAjamaru Rainbowfish: Peaceful

Harlequin Shark & Allen's Rainbowfish

Labeo variegatus · Chilatherina alleni

Possible with Caution

Harlequin Shark: AggressiveAllen's Rainbowfish: Peaceful

Harlequin Shark & Alligator Gar

Labeo variegatus · Atractosteus spatula

Possible with Caution

Harlequin Shark: AggressiveAlligator Gar: Aggressive

Harlequin Shark & Alligator Pleco

Labeo variegatus · Pterygoplichthys scrophus

Possible with Caution

Harlequin Shark: AggressiveAlligator Pleco: Mostly Peaceful