PORTLAND, Ore. - eTradeWire -- TankMatcher has published a compatibility reference page that shows, for four freshwater pairings, the verdict, minimum tank size and the temperature, pH and general-hardness ranges both fish share.

The reference lists: Betta with Neon Tetra, conditional, minimum 10 gallons, 76–78°F, pH 6.5–7.5, GH 3–10 dGH, with Neon Tetras in a group of at least six and the betta kept alone; Neon Tetra with Cardinal Tetra, conditional, minimum 15 gallons, 75–78°F, pH 6.0–7.2, GH 1–8 dGH, each species in a group of at least six; Betta with Cardinal Tetra, conditional, minimum 15 gallons, 76–82°F, pH 6.5–7.2, GH 3–8 dGH, with Cardinal Tetras in a group of at least six; and Oscar with Neon Tetra, do not mix, minimum 75 gallons, 74–78°F, pH 6.0–7.5, GH 5–10 dGH, because adult Oscars can eat small tetras and are highly territorial.

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Each entry is derived from the same compatibility data as TankMatcher's free compatibility checker, which also evaluates adult size and behavioral risks. The reference explains the three verdicts — Compatible, Conditional and Do not mix — and states that the results are a planning screen, not a guarantee: real outcomes depend on the individual fish, tank setup and water conditions.

Read the reference and check a pairing: https://tankmatcher.com/compatibility-reference/ https://tankmatcher.com/compatibility-checker/

About TankMatcher: TankMatcher provides free freshwater aquarium compatibility, stocking and setup-planning resources for hobbyists.

Press contact: Wanyu T, RXCK LLC, 3055 NW Yeon Ave #222, Portland, OR 97210, (650) 667-1454, rxckllc@gmail.com