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Undulata With Fish Guides

These pairing guides focus on how Undulata handles real fish pressure, shared water conditions, and the practical layout needs that matter in a mixed planted tank.

PlacementMidground
LightLow
FlowLow (Still Water)
Water TypeFreshwater Only
Showing 289 - 312 of 736 Guides

Black Corydoras

Corydoras schultzei

Catfish
Strong Fit
6 cmPeacefulBottom60 L min

Brilliant Rummy-Nose Tetra

Hemigrammus bleheri

Characins
Strong Fit
5 cmPeacefulMid-level, Bottom75 L min

Batanta Rainbowfish

Melanotaenia batanta

Rainbowfish
Strong Fit
11 cmPeacefulSurface, Mid-level200 L min

Barred Rainbowfish

Chilatherina fasciata

Rainbowfish
Strong Fit
14 cmPeacefulMid-level, Surface200 L min

Angfa Rainbowfish

Melanotaenia angfa

Rainbowfish
Strong Fit
13 cmPeacefulSurface, Mid-level200 L min

False Rummy-Nose Tetra

Petitella georgiae

Characins
Strong Fit
5 cmPeacefulMid-level80 L min

True Julii Corydoras

Corydoras julii

Catfish
Strong Fit
5.2 cmPeacefulBottom60 L min

Bearded Cory

Scleromystax barbatus

Catfish
Strong Fit
9 cmPeacefulBottom110 L min

Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

Apistogramma barlowi

Cichlids - South American
Strong Fit
6.5 cmMostly PeacefulBottom, Mid-level54 L min

Freshwater Shark (Wallago)

Wallago attu

Catfish
Strong Fit
150 cmHighly AggressiveMid-level, Bottom5500 L min

Flyspeck Hardyhead

Craterocephalus stercusmuscarum

Other
Strong Fit
7 cmPeacefulSurface, Mid-level75 L min

Wels Catfish (European Catfish)

Silurus glanis

Catfish
Strong Fit
150 cmAggressiveBottom10000 L min

Largemouth Bass

Micropterus salmoides

Other
Strong Fit
50 cmAggressiveSurface, Mid-level1135 L min

Australian Smelt

Retropinna semoni

Other
Strong Fit
7.5 cmPeacefulSurface, Mid-level75 L min

Axelrod's Rainbowfish

Chilatherina axelrodi

Rainbowfish
Strong Fit
10 cmPeacefulSurface, Mid-level150 L min

Australian Pearl Arowana

Scleropages jardinii

Oddballs
Strong Fit
90 cmHighly AggressiveSurface800 L min

Asian Upside Down Catfish

Mystus leucophasis

Catfish
Strong Fit
30 cmAggressiveMid-level, Bottom380 L min

Asian Arowana

Scleropages formosus

Oddballs
Strong Fit
90 cmAggressiveSurface1000 L min

Asher Cory

Corydoras tukano

Catfish
Strong Fit
4.5 cmPeacefulBottom60 L min

Malawi Hawk

Aristochromis christyi

Cichlids - African
Strong Fit
30 cmAggressiveMid-level, Surface475 L min

Lemon Tetra

Hyphessobrycon pulchripinnis

Characins
Strong Fit
5 cmPeacefulMid-level60 L min

X-Ray Tetra (Pristella)

Pristella maxillaris

Characins
Strong Fit
5 cmPeacefulMid-level, Bottom60 L min

Serpae Tetra

Hyphessobrycon eques

Characins
Strong Fit
4.5 cmSemi-AggressiveMid-level, Bottom75 L min

Odessa Barb

Pethia padamya

Cyprinids
Strong Fit
5 cmMostly PeacefulMid-level, Bottom80 L min