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Species comparison

Compare two aquarium species before choosing stock.

Pick two profiles from the TankFlare species database and compare water ranges, adult size, temperament, diet, schooling needs, and care difficulty in one place.

Fancy Goldfish, a peaceful freshwater aquarium species

Fancy Goldfish

Carassius auratus
Profile
ModeratePeaceful
Min tank
30 gal
Adult size
8 in
School min
2
Diet
omnivore
Flashylarge adult sizehigh wastecooler waterhigh bioload
Adolfoi Cory Catfish, a peaceful freshwater aquarium species

Adolfoi Cory Catfish

Corydoras adolfoi
Profile
BeginnerPeaceful
Min tank
20 gal
Adult size
2.4 in
School min
6
Diet
omnivore
Community leaninggentle flow

Compatibility

  • Same-species limitNo same-species limit conflict was found for this pair.
  • TemperatureFancy Goldfish and Adolfoi Cory Catfish have overlapping temperature ranges.
  • pHFancy Goldfish and Adolfoi Cory Catfish have overlapping ph ranges.
  • GHFancy Goldfish and Adolfoi Cory Catfish have overlapping gh ranges.
  • KHFancy Goldfish and Adolfoi Cory Catfish have overlapping kh ranges.
  • Predation safetyPredation risk: Fancy Goldfish may eat Adolfoi Cory Catfish. Choose tankmates this species cannot swallow or hunt, or keep them in separate setups.
  • Oxygen and flowOxygen needs differ significantly. Make sure the tank has calm areas and enough surface movement.
  • Temperament matchBoth species have similar temperament scores.
  • Fin-nipping / aggression riskNo significant fin-nipping or aggression risk between these two.
  • TerritoryTerritory overlap is not a major concern for this pair.
  • Size safetyAdult size differs by 3.3x. The larger fish may bully or intimidate the smaller one.

This checks whether these two species have any clear red flags together. For a real stocking plan, run the full checker with your tank size, fish counts, cycle status, and filter setup.

Water range overlap

Colored bars share one scale per row; the bright center shows usable overlap.

TemperatureOverlap 72-74°F
60-90°F
Fancy Goldfish: 68-74°FAdolfoi Cory Catfish: 72-78°F
pHOverlap 7-7.5
5-9
Fancy Goldfish: 7-8.4Adolfoi Cory Catfish: 6-7.5
GHOverlap 6-15 dGH
0-30 dGH
Fancy Goldfish: 6-18 dGHAdolfoi Cory Catfish: 2-15 dGH
KHOverlap 4-10 dKH
0-25 dKH
Fancy Goldfish: 4-12 dKHAdolfoi Cory Catfish: 1-10 dKH

Behavior and care scores

Higher scores usually mean more planning risk or more specialized care.

TemperamentSimilar
Fancy Goldfish1/5
Adolfoi Cory Catfish1/5
Care difficultyFancy Goldfish higher
Fancy Goldfish3/5
Adolfoi Cory Catfish1/5
Diet difficultySimilar
Fancy Goldfish1/5
Adolfoi Cory Catfish1/5
BioloadFancy Goldfish higher
Fancy Goldfish4/5
Adolfoi Cory Catfish1/5
Oxygen needFancy Goldfish higher
Fancy Goldfish4/5
Adolfoi Cory Catfish2/5
Fin nippingSimilar
Fancy Goldfish0/5
Adolfoi Cory Catfish0/5
TerritorialSimilar
Fancy Goldfish0/5
Adolfoi Cory Catfish0/5
Check this pair in my tankCheck both togetherCheck a tank with Fancy GoldfishCheck a tank with Adolfoi Cory Catfish