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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 361 - 384 of 736 Guides

Rummy-Nose Tetra

Hemigrammus rhodostomus

Characins
Strong Fit
5 cmPeacefulMid-level, Bottom75 L min

Steindachner Dwarf Cichlid

Apistogramma steindachneri

Cichlids - South American
Strong Fit
9 cmMostly PeacefulMid-level, Bottom80 L min

Trapdoor Snail

Cipangopaludina chinensis

Invertebrates
Strong Fit
6.5 cmPeacefulBottom38 L min

Redear Sunfish

Lepomis microlophus

Other
Strong Fit
25 cmSemi-AggressiveMid-level, Bottom280 L min

Thinbar Datnoid

Datnioides undecimradiatus

Oddballs
Strong Fit
40 cmSemi-AggressiveMid-level, Bottom570 L min

Upside Down Catfish

Synodontis nigriventris

Catfish
Strong Fit
9.6 cmPeacefulMid-level, Bottom75 L min

San Juan Cory

Corydoras bilineatus

Catfish
Strong Fit
4.5 cmPeacefulBottom60 L min

Helicopter Catfish

Wallagonia leerii

Catfish
Strong Fit
150 cmHighly AggressiveMid-level, Bottom4000 L min

Ogilby's Rainbowfish

Melanotaenia ogilbyi

Rainbowfish
Strong Fit
8 cmPeacefulSurface, Mid-level110 L min

Peacock Eel

Macrognathus siamensis

Oddballs
Strong Fit
30 cmPeacefulBottom150 L min

Panda Dwarf Cichlid

Apistogramma nijsseni

Cichlids - South American
Strong Fit
8 cmSemi-AggressiveBottom, Mid-level60 L min

Pearly Ocellatus

Neolamprologus stappersi

Cichlids - African
Strong Fit
5 cmAggressiveBottom38 L min

Platinum Hatchet

Thoracocharax stellatus

Characins
Strong Fit
7 cmPeacefulSurface110 L min

Panda Tetra

Aphyocharax paraguayensis

Characins
Strong Fit
4 cmMostly PeacefulSurface, Mid-level60 L min

Shortbarbel Pangasius

Pangasius micronemus

Catfish
Strong Fit
100 cmMostly PeacefulMid-level, Bottom4000 L min

One-Spot Betta

Betta unimaculata

Anabantoids
Strong Fit
11 cmSemi-AggressiveSurface, Mid-level, Bottom80 L min

Needlenose Gar

Xenentodon cancila

Oddballs
Strong Fit
30 cmSemi-AggressiveSurface200 L min

Indonesian Giant Snakehead

Channa micropeltes

Oddballs
Strong Fit
100 cmHighly AggressiveSurface, Mid-level, Bottom2000 L min

Freshwater Sole

Brachirus selheimi

Oddballs
Strong Fit
15 cmMostly PeacefulBottom110 L min

Silver Hatchetfish

Gasteropelecus sternicla

Characins
Strong Fit
5 cmPeacefulSurface75 L min

Glass Bloodfin Tetra

Prionobrama filigera

Characins
Strong Fit
6 cmPeacefulSurface, Mid-level60 L min

Freshwater Barracuda

Ctenolucius hujeta

Characins
Strong Fit
25 cmSemi-AggressiveSurface250 L min

Lima Shovelnose Catfish

Sorubim lima

Catfish
Strong Fit
45 cmMostly PeacefulMid-level, Bottom500 L min

Frogmouth Catfish

Chaca chaca

Catfish
Strong Fit
20 cmAggressiveBottom110 L min