Family Fish Breed Guide
Browse popular freshwater fish by size, energy level, and cleanup needs to find the best match for your home aquarium.
Data last maintained
Family Fish Breed Guide
Browse popular freshwater fish by size, energy level, and cleanup needs to find the best match for your home aquarium.
Data last maintained
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Size
Energy
Cleanup need
| Breed & nickname | Temperament sketch | Size | Energy | Cleanup need | Family fit | Enrichment & routine | Health notes |
|---|---|---|---|---|---|---|---|
Betta (Siamese fighting fish)Desk pet with attitude | Solo showpiece that flares at rivals but chills with plants and gentle flow. | Small | Moderate | Low | Works for focused keepers who enjoy target feeding and daily observation. | Provide leaf rests, mirror training in short bursts, and slow bubble streams. | Needs heated, filtered water; watch for fin rot and overfeeding. |
Fancy Goldfish (Ryukin/Oranda)Bubbly dinner bell | Gentle cruiser that begs for food and tolerates calm tankmates. | Medium | Moderate | Heavy | Suits families with room for a larger tank and steady maintenance habits. | Enrich with floating rings, slow-flow mazes, and hand-feeding sessions. | High waste output; needs strong filtration and monitoring for swim bladder issues. |
GuppyConfetti tail | Friendly schooling fish that zips around and breeds readily. | Small | High | Low | Great starter fish if provided stable water, cover plants, and modest flow. | Offer floating plants, micro-pellet feeding variety, and gentle current to explore. | Keep stable hardness; separate fry if needed and watch for fin nipping from tankmates. |
Neon TetraGlow stripe scout | Peaceful shoaler that relaxes in shaded areas and shows color in groups. | Small | Moderate | Low | Works in calm community tanks with soft lighting and hiding spots. | Dim light swimming lanes, leaf litter, and small feedings twice daily. | Sensitive to parameter swings; quarantine newcomers to avoid neon tetra disease. |
AngelfishGraceful sentry | Semi-peaceful cichlid that claims territory but coexists with similar-sized tankmates. | Medium | Moderate | Moderate | Good for display tanks with vertical space and attentive feeding routines. | Tall plants, gentle flow, and target feeding with tongs build confidence. | Needs clean, warm water; monitor for fin nips and pair aggression during spawning. |
OscarWet puppy | Personable predator that recognizes keepers and rearranges decor. | Large | High | Heavy | Best for large dedicated tanks with strong filtration and secure lids. | Offer sinking pellets, safe driftwood to patrol, and puzzle-style feeding. | Heavy bioload; watch for hole-in-the-head disease and keep nitrates low. |
Platy (Xiphophorus maculatus)Easygoing confetti sail | Peaceful livebearer that schools loosely and coexists with most community fish. | Small | Moderate | Low | Ideal for first community tanks with stable tap water and cover plants. | Provide floating cover, mixed vegetable and protein feedings, and gentle flow corridors. | Prefers moderate hardness; watch for fry overpopulation and fin-nipping neighbors. |
Molly (Poecilia sphenops/latipinna)Salt-tolerant grazer | Social livebearer that can be assertive when crowded. | Medium | Moderate | Low | Suits midsize tanks with mineral-rich water and steady upkeep. | Add algae wafers, vegetable grazing spots, and gentle current for cruising. | Needs harder, alkaline water; watch for shimmying, ich, and rapid breeding. |
Zebra Danio (Zebrafish)Striped sprinter | Fast, peaceful shoaler that may outcompete slow eaters. | Small | High | Low | Works in unheated or mild-temperature tanks for active households. | Give long swim lanes, floating food scatter, and a gentle current to chase. | Hardy but jumps when startled; use a tight lid and steady parameters. |
Corydoras CatfishSand-sifting clean-up crew | Peaceful bottom shoaler happiest in groups of six or more. | Small | Moderate | Low | Great for planted community tanks with smooth substrate. | Provide fine sand, sinking wafers, and shaded resting spots. | Avoid sharp gravel; ensure good oxygenation and avoid copper medications. |
Bristlenose Pleco (Ancistrus)Algae janitor with whiskers | Generally peaceful bottom dweller that guards a favorite cave. | Medium | Moderate | Heavy | Fits midsize tanks with driftwood, steady filtration, and secure lids. | Offer wood to rasp, vegetable chips, and caves for territory. | Moderate waste producer; needs stable pH, good aeration, and plenty of fiber. |
Pearl GouramiSpeckled glider | Calm labyrinth fish that can be shy around boisterous tankmates. | Medium | Moderate | Low | Suits planted, low-flow community tanks with subdued lighting. | Provide floating cover, gentle flow, and let males build occasional bubble nests. | Needs warm, clean water; avoid fin-nippers and maintain stable surface access for air. |
Cherry BarbRuby dash | Peaceful schooling barb that colors up in groups. | Small | Moderate | Low | Good for small planted tanks that avoid fin-nippers. | Provide plants, dim light, and small varied feedings to keep them bold. | Keep in groups of six or more; maintain clean water to prevent stress-related illness. |
White Cloud Mountain MinnowCool-water spark | Peaceful, active schooling fish that tolerates a range of temperatures. | Small | High | Low | Suits unheated indoor tanks with good oxygenation and cover. | Provide open flow to dash through, floating plants, and fine foods scattered. | Hardy but prefers clean, cool, stable water; secure lids prevent jumping. |
About the freshwater fish comparison table
Compare fish by tank demands and behavior
The table compares common freshwater aquarium fish by temperament, family fit, care notes, health reminders, and chips for size, energy, and cleanup. It helps beginners separate peaceful community fish, active display fish, and species that need larger or more carefully maintained tanks.
Search fish care before comparing tanks
Search matches fish names, nicknames, temperament, family fit, care notes, and health notes. Size, energy, and cleanup filters help compare swimming space, maintenance load, water-quality sensitivity, and whether a fish is realistic for a first aquarium.
Not a stocking or disease diagnosis tool
This guide is a reference table, not a water-chemistry calculator, stocking rule, disease diagnosis, welfare assessment, legal guidance, or buying recommendation. Confirm tank cycling, compatibility, adult size, local rules, and fish health with qualified aquarium or veterinary sources.
FAQ
Common questions and answers about this topic.
What is Family Fish Breed Guide?
Browse common freshwater fish with quick search plus size, energy, and waste/cleanup filters, including multilingual care notes.
Is Family Fish Breed Guide free to use?
Yes, Family Fish Breed Guide is completely free to use.
Data Sources
This tool's data is compiled from the authoritative sources below.
- Merck Veterinary Manual - Providing a Home for Fish(opens in a new tab)
- Merck Veterinary Manual - Routine Health Care of Fish(opens in a new tab)
- Merck Veterinary Manual - Disorders and Diseases of Fish(opens in a new tab)
- UF/IFAS - Freshwater Ornamental Fish Commonly Cultured in Florida(opens in a new tab)
- FDACS - Freshwater Ornamental Fish and Invertebrates(opens in a new tab)
- CDC - Fish(opens in a new tab)
- PetMD - How To Take Care of Fish(opens in a new tab)
Data last maintained