Possible Compatible Species for Otocinclus flexilis
Note: This is a rule based search which makes certain assumptions based on characteristics including size, temperament, temperature and pH. As with all advice, please use common sense before combining any two species.
| Scientific Name | Common Names | Synonyms | Family | |
 | Aphyocharax rathbuni | Green Fire Tetra Rathbun's Bloodfin Redflank Bloodfin | Characidae | |
| Rasbora borapetensis | Blackline Rasbora Brilliant Rasbora Red-tailed Rasbora | Cyprinidae | ||
 | Corydoras leopardus | Leopard Catfish Leopard Cory | Callichthyidae | |
 | Cleithracara maronii | Keyhole Cichlid | Acara maronii Aequidens maronii | Cichlidae |
| Xiphophorus multilineatus | Pigmy Sword Tail | Poeciliidae | ||
 | Corydoras napoensis | Napo Corydoras | Callichthyidae | |
 | Devario aequipinnatus | Giant Danio | Perilampus aequipinnatus | Cyprinidae |
 | Otocinclus flexilis | Peppered Otocinclus | Loricariidae | |
 | Melanotaenia duboulayi | Crimson Spot Rainbowfish Duboulay's Rainbowfish | Melanotaeniidae | |
| Melanotaenia angfa | ANGFA Rainbowfish Yakati Rainbowfish | Melanotaeniidae | ||
| Melanotaenia parva | Lake Kuomai rainbowfish Sunset dwarf rainbowfish | Melanotaeniidae | ||
| Pelvicachromis taeniatus | Purple Krib | Pelmatochromis calliptera Pelmatochromis klugei Pelmatochromis kribensis Pelmatochromis kribensis klugei Pelmatochromis pulcher klugei Pelmatochromis taeniatus Pelmatochromis taeniatus klugei Pelvicachromis kribensis | Cichlidae | |
 | Ancistrus sp. l182 | L182 Starlight Bristlenose Pleco | Loricariidae | |
 | Corydoras septentrionalis | Longnosed Cory Northern Longnosed Cory | Callichthyidae | |
 | Corydoras concolor | Concolor Cory Slate Cory | Callichthyidae | |
 | Corydoras arcuatus | Arched Cory Skunk Cory | Callichthyidae | |
 | Botia striata | Candy Loach Zebra Loach | Cobitidae | |
| Aphyosemion australe | Cape Lopez Lyretail Chocolate Lyretail | Aphyosemion calliurus australis Aphysemion australe australe Haplochilus calliurus australis | Aplocheilidae | |
 | Rasbora pauciperforata | Glowlight Rasbora Red Line Rasbora Red Stripe Rasbora | Cyprinidae | |
| Dicrossus filamentosus | Chequerboard Chequerboard Cichlid | Crenicara filamentosa Dicrossus filamentosa | Cichlidae | |
| Corydoras ornatus | Ornate Cory | Callichthyidae | ||
 | Pseudepiplatys annulatus | Clown Killifish Clown Panchax Rocket Killifish Rocket Panchax | Aplocheilus annulatus Epiplatys annulatus Haplochilus annulatus Panchax annulatus | Aplocheilidae |
 | Corydoras elegans | Elegant Cory | Corydoras pestai | Callichthyidae |
 | Rasbora trilineata | Scissortail Rasbora Three Lined Rasbora | Cyprinidae | |
 | Synodontis eupterus | Featherfin Catfish Featherfin Synodontis Sqeaker Catfish Sqeaker synodontis | Mochokidae | |
 | Chaetostoma milesi | Bulldog Pleco Rubbernose Pleco | Chaetostomus milesi | Loricariidae |
 | Corydoras bilineatus | San Juan Cory | Callichthyidae | |
 | Laetacara curviceps | Blunt Head Cichlid Curviceps Flag Acara Flag Cichlid Sheepshead Acara Smiling Dwarf Cichlid | Acara curviceps Aequidens curviceps Parvacara curviceps | Cichlidae |
 | Hyphessobrycon haraldschultzi | Harold Schultz Tetra | Hemigrammus haraldschultzi | Characidae |
 | Corydoras gomezi | Gomez's Corydoras | Callichthyidae | |
 | Trigonostigma heteromorpha | Harlequin Rasbora | Rasbora heteromorpha | Cyprinidae |
 | Corydoras trilineatus | False Julii Cory Leopard Corydoras Three Lined Corydoras | Callichthyidae | |
 | Corydoras habrosus | Dainty Cory Salt and Pepper Catfish | Callichthyidae | |
| Nannaethiops unitaeniatus | One Line Tetra One Striped African Characin | Citharinidae | ||
| Danio kerri | Blue Danio | Danio kerri | Cyprinidae | |
 | Apistogramma cacatuoides | Cockatoo Dwarf Cichlid Crested Dwarf Cichlid | Cichlidae | |
 | Apistogramma nijsseni | Nijsseni's Dwarf Cichlid Panda Apistogramma Panda Dwarf Cichlid | Cichlidae | |
 | Apistogramma panduro | Blue Panda Apisto Panda Apisto Panda Dwarf Cichlid | Cichlidae | |
 | Puntius pentazona | Banded Bard Belted Barb Fiveband Barb Sixband Barb | Barbus pentazona | Cyprinidae |
 | Puntius nigrofasciatus | Black Ruby Barb | Barbus nigrofasciatus | Cyprinidae |
 | Nannacara anomala | Golden Acara Golden Dwarf Acara Goldeneye Dwarf Acara Lattice Cichlid | Cichlidae | |
 | Rasbora elegans | Elegant Rasbora Two Spot Rasbora | Cyprinidae | |
 | Chela caeruleostigmata | Blue Hatchetfish Flying Barb Leaping Barb Siamese Hatchetfish | Laubuca caeruleostigmata | Cyprinidae |
 | Puntius johorensis | Banded Barb Lined Barb Striped Barb | Barbus eugrammus Barbus tetrazona johorensis Puntius eugrammus Systomus johorensis | Cyprinidae |
| Brochis multiradiatus | Hognosed Brochis Long-Finned Brochis | Corydoras multiradiatus | Callichthyidae | |
 | Mikrogeophagus altispinosus | Bolivian Butterfly Bolivian Ram Clown Ruby Cichlid Ruby Cichlid | Crenicara altispinosa Microgeophagus altispinosus Papiliochromis altispinosus | Cichlidae |
 | Hemichromis bimaculatus | Blue Jewel | Cichlidae | |
 | Hyphessobrycon eques | Jewel Tetra Serpae Tetra | Cheirodon eques Chirodon eques Hyphessobrycon callistus Hyphessobrycon serpae Megalamphodus eques | Characidae |
 | Hemigrammus bleheri | Firehead Tetra Rummynose Tetra | Characidae | |
 | Ladigesia roloffi | Jelly Bean Tetra | Alestiidae | |
 | Hemigrammus ocellifer | Beaconfish Head & Tail Lights Tetra | Hemibrycon ocellifer Tetragonopterus ocellifer | Characidae |
 | Nannostomus beckfordi | Golden Pencilfish | Lebiasinidae | |
 | Synodontis nigriventris | Upsidedown Catfish | Mochokidae | |
 | Farlowella vittata | Twig Catfish Whiptail Catfish | Acestra acus | Loricariidae |
 | Pimelodus pictus | Angelicus Catfish Pictus Catfish | Pimelodella pictus Pimelodus angelicus | Pimelodidae |
 | Corydoras xinguensis | C105 C106 C107 C108 C55 Xingu Corydoras | Callichthyidae | |
 | Corydoras sterbai | Maze Cory Sterba's Cory | Callichthyidae | |
 | Corydoras delphax | False Blochi Catfish | Callichthyidae | |
 | Betta albimarginata | Whiteseam betta | Belontiidae | |
| Sawbwa resplendens | Asian Rummynose Naked Microrasbora Rummynose Rasbora Sawbwa Barb | Cyprindae |