Common Pleco (Amazon Sailfin)
Pterygoplichthys pardalis
Catfish
45 cmMostly PeacefulBottom450 L min
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Willisii With Fish Guides
These pairing guides focus on how Willisii handles real fish pressure, shared water conditions, and the practical layout needs that matter in a mixed planted tank.
PlacementForeground
LightLow
FlowLow (Still Water)
Water TypeFreshwater Only
Showing 529 - 552 of 736 Guides
Possible with Caution
Brown Bullhead Catfish
Ameiurus nebulosus
Catfish
40 cmSemi-AggressiveBottom500 L min
Bluegill Sunfish
Lepomis macrochirus
Other
25 cmAggressiveMid-level, Bottom280 L min
Zebra Spiny Eel
Mastacembelus zebrinus
Oddballs
15 cmPeacefulBottom110 L min
Bandit Cory
Corydoras metae
Catfish
5 cmPeacefulBottom60 L min
Banana Loach
Acantopsis choirorhynchos
Loaches
22 cmPeacefulBottom200 L min
Arrowhead Puffer
Pao suvattii
Puffers
15 cmHighly AggressiveBottom114 L min
Blood Parrot Cichlid
Hybrid cichlid (Blood Parrot)
Cichlids - Central American
22 cmSemi-AggressiveMid-level, Bottom200 L min
Tire Track Eel
Mastacembelus armatus
Oddballs
75 cmSemi-AggressiveBottom680 L min
Rosy Barb
Pethia conchonius
Cyprinids
10 cmMostly PeacefulMid-level, Bottom110 L min
Black Pacu
Colossoma macropomum
Characins
90 cmMostly PeacefulMid-level, Bottom3800 L min
Cuckoo Catfish
Synodontis multipunctatus
Catfish
25 cmSemi-AggressiveMid-level, Bottom340 L min
Fire Eel
Mastacembelus erythrotaenia
Oddballs
90 cmMostly PeacefulBottom680 L min
Fahaka Puffer
Tetraodon lineatus
Puffers
43 cmHighly AggressiveMid-level, Bottom450 L min
Common Pleco
Hypostomus plecostomus
Catfish
45 cmMostly PeacefulBottom500 L min
Yoyo Loach
Botia almorhae
Loaches
15 cmMostly PeacefulBottom, Mid-level110 L min
Knight Goby
Stigmatogobius sadanundio
Gobies & Gudgeons
9 cmSemi-AggressiveMid-level, Bottom75 L min
Blue Dolphin (Hap)
Cyrtocara moorii
Cichlids - African
25 cmSemi-AggressiveMid-level, Bottom475 L min
Silver Dollar
Metynnis argenteus
Characins
15 cmPeacefulMid-level, Surface280 L min
Mbu Puffer
Tetraodon mbu
Puffers
67 cmAggressiveMid-level, Bottom1500 L min
Clown Loach
Chromobotia macracanthus
Loaches
30 cmPeacefulBottom500 L min
Firemouth Cichlid
Thorichthys meeki
Cichlids - Central American
15 cmSemi-AggressiveMid-level, Bottom110 L min
Kribensis
Pelvicachromis pulcher
Cichlids - African
10 cmSemi-AggressiveBottom, Mid-level75 L min
Bronze Corydoras
Corydoras aeneus
Catfish
7 cmPeacefulBottom60 L min