Celestial Pearl Danio
Celestial Pearl Danios are peaceful, schooling nano fish that thrive in cool, planted aquariums with gentle flow. Sensitive to ammonia and temperature swings, they do best in mature tanks with stable water and soft lighting.
Bristlenose Pleco
Bristlenose Plecos are hardy, algae-grazing catfish from South America. Peaceful and nocturnal, they thrive in planted tanks with driftwood, caves, and stable water conditions. Ideal for community aquariums with small, non-aggressive tank mates.
Oto Catfish
Otocinclus are peaceful, social algae grazers from South America. Best kept in groups, they thrive in planted tanks with soft water, gentle flow, and stable conditions. Ideal for community aquariums with small, non-aggressive species.
Elephant Nose Fish
Gnathonemus petersii requires a large, dimly lit tank with soft sand, high oxygen, and gentle filtration. Provide driftwood, caves, and protein-rich live or frozen foods. Avoid tank mates that compete or interfere with its electrosensory navigation.
Apistogramma
Apistogramma cacatuoides thrives in soft, slightly acidic water with sand substrate, leaf litter, and multiple caves. Provide gentle flow, stable tropical temperatures, and visual barriers to support natural behavior, reduce stress, and encourage breeding.
Asian Stone Catfish
Asian Stone Catfish (Hara jerdoni) care guide — Explore the quiet charm of this cryptic nano catfish from India and Bangladesh. Learn how to create a leaf-litter aquascape with cool, oxygen-rich water, ideal tank mates, nocturnal feeding strategies, and tips for breeding success in low-light, species-focused setups.
Scarlet Badis
Scarlet Badis (Dario dario) care guide — Learn how to care for this brilliantly colored micropredator from India’s Brahmaputra basin. Discover ideal tank setup, feeding strategies, breeding behavior, and why this nano fish thrives in mature, planted aquariums with pristine water and live food.
Hillstream Loach
Reticulated Hillstream Loach (Sewellia lineolata) care guide — Discover how to create a high-flow, cool-water setup for this peaceful algae grazer. Learn ideal tank conditions, compatible species, and care tips for its unique suction-cup behavior and long lifespan.
Peacock Gudgeon
Peacock Gudgeon (Tateurndina ocellicauda) care guide — A peaceful, colorful nano fish from Papua New Guinea. Learn ideal tank setup, water parameters, compatible tank mates, and breeding behavior for this unique cave-spawning species.
Glass Catfish
Glass Catfish (Kryptopterus vitreolus) care guide — Learn how to support this peaceful, transparent schooling fish with proper tank setup, gentle companions, and clean midwater space. Includes care tips, water parameters, and behavioral insights for stress-free group living.
African Butterfly Fish
African Butterfly Fish (Pantodon buchholzi) care guide — Learn how to care for this prehistoric surface predator with gliding fins and unique behavior. Explore tank setup, water parameters, feeding tips, and compatibility to support its calm, carnivorous nature in a well-covered aquarium.
Kuhli Loach
Kuhli Loach (Pangio kuhlii) care guide — Explore the essentials of caring for this peaceful, eel-like bottom dweller. Learn ideal tank setup, water parameters, compatible tank mates, and health tips to support their shy, social nature in planted community aquariums.
Pea Puffer
Pea Puffer (Carinotetraodon travancoricus) care guide — Discover how to care for one of the world’s smallest freshwater pufferfish. Learn ideal tank setup, water parameters, dietary needs, and compatibility tips to keep your pea puffers healthy, active, and stress-free in species-focused aquariums.
Swordtail
Swordtail (Xiphophorus hellerii) care guide — Learn how to care for swordtails, vibrant livebearers known for their signature tail extensions. Explore ideal water parameters, tank mate compatibility, and group dynamics to keep your swordtails healthy, active, and stress-free in community aquariums.
Neon Tetra
Neon Tetra (Paracheirodon innesi) care guide — Explore ideal tank mates, water parameters, and aquarium setup tips for this peaceful schooling fish. Learn how to keep neons safe from predators, maintain stable water chemistry, and build a vibrant, compatible community tank.
Molly
Poecilia sphenops (molly) care guide — Discover ideal tank mates, water parameters, and aquarium setup tips for mollies. This peaceful livebearer thrives in slightly alkaline, mineral-rich water and pairs well with guppies, platies, corydoras, and more. Includes compatibility charts, tank size recommendations, and key behaviors to watch for.
Goldfish
Goldfish are coldwater, high-waste fish that require strong filtration, spacious tanks, and careful tank mate selection. This guide covers ideal water parameters, tank sizing for fancy and comet varieties, compatible species, and key care considerations to help aquarists build a safe, species-appropriate setup.
