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Endler's Livebearer tank mates

Endler tank mates are a livebearer and hybridisation question first. The live engine marks cherry barbs and honey gouramis as usually safer neighbours when the Endler group has room and a sensible sex ratio. Bettas, corydoras, neon tetras, and tiger barbs sit in caution. Oscars are avoid. Keep Endler-only lines if colour purity matters — fancy guppies hybridise freely. Stock more females than males, and pair-check every long-fin plan before the bag leaves the shop.

Our first pick

Cherry Barb. Calm community barbs that usually share hard-to-medium water with Endlers without the betta flare problem. Run the pair check →

Common mistakeMixing Endler males with fancy guppies in a small tank because both are “livebearers” is how keepers erase the Endler line. They hybridise freely, and within a few generations the colour and size people bought are gone. Keep Endler-only groups if the strain matters, or accept a mixed livebearer project on purpose — do not pretend the bag labels will stay true.

Evidence: partially verified
Confidence: high

Each name below opens a pair check with Endler's Livebearer. That check is the decision, not the list itself.

← Full Endler's Livebearer profile·Compatibility checker·Tank builder·More livebearer

Usually safer companions

Conservative shortlist from this profile. Open a pair page before you buy.

  • Cherry BarbPair check

    The Endler's Livebearer profile lists Cherry Barb as both safe and a recommended pairing. Cherry Barb schools in groups of 6 or more, so plan room for the whole group rather than one fish.

  • Honey GouramiPair check

    The Endler's Livebearer profile lists Honey Gourami as both safe and a recommended pairing. Honey Gourami is a peaceful beginner-care species with a 40L minimum. Run the pair checker for your specific tank before stocking.

Risky or situational

May work with more water, a mature system, or a species-only setup. Read the pair page before you experiment.

  • BettaOpen pair check

    Betta is rated semi-aggressive, so expect chasing, fin damage, or display behaviour directed at Endler's Livebearer. Run the pair checker before stocking.

  • Corydoras CatfishOpen pair check

    Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.

  • Neon TetraOpen pair check

    Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.

  • Tiger BarbOpen pair check

    Tiger Barb is rated semi-aggressive, so expect chasing, fin damage, or display behaviour directed at Endler's Livebearer. Run the pair checker before stocking.

Fish to avoid with Endler's Livebearer

Predation, aggression, or space rules on this profile. Treat these as poor default mixes.

  • OscarSee why (pair)

    Oscar reaches 35cm and is flagged predatory. Endler's Livebearer at 3.5cm is prey-sized for it. Oscar needs at least 300L, far above the 40L minimum for Endler's Livebearer. The tank that houses one stresses the other. Oscar is rated aggressive and Endler's Livebearer is rated peaceful. No community-style planning carries that gap.

Tank size and groups

  • Published minimum for Endler's Livebearer: 40L. Group minimum 4 .
  • Compatibility changes when the tank is too short for turning, too little for a real school, or too warm for one species and not the other. That is why pair checks include tank context, not only temperament.
  • Nearest litre hub to this minimum: 40L hub.

Plan before you buy

Start a pair check with Endler's Livebearer, or open a starter plan with the top safer companions in the builder.

Open pair checkerOpen this plan in builder

Tank hubs: 40L

Related reading

Guides that list other fish with the same trait, so you can plan around the group rather than one row.

Filtration & heating

A 40L minimum tank for Endler's Livebearer needs a filter rated for at least 160L/hr turnover and a heater maintaining 24–30°C.

Filter size guide →Heater size guide →Tank setup checklist →Beginner plants guide →

Similar fish (same category)

Related (care + temperament)

Endler's Livebearer tank mates — quick answers

What fish can live with Endler's Livebearer?
Usually safer companions on this hub include Cherry Barb, Honey Gourami. Open each pair check before you buy — the list is a shortlist, not a guarantee.
What tank mates should you avoid with Endler's Livebearer?
Avoid Oscar based on size, temperament, or predation risk on this profile.
What size tank do Endler's Livebearer need for a community?
40L is the planning floor for adult swimming space and bioload. A 49L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.