Ropefish / reed fish tank mates
An eel-like fish at 30 cm that eats anything small enough to swallow. Peaceful with fish its own size. Can escape through any gap and breathes air.
Common mistakeLeaving no lid on a ropefish tank is how keepers invent a dried fish on the floor overnight. They push through surprisingly small openings without effort. Use a tight cover, hide spaghetti tubes, and plan 200L-class length — escape risk is ownership fact, not a rare accident story.
Each name below opens a pair check with Ropefish / reed fish. That check is the decision, not the list itself.
Usually safer companions
Conservative shortlist from this profile. Open a pair page before you buy.
The Ropefish / reed fish profile lists Bala / silver shark as both safe and a recommended pairing. Bala / silver shark schools in groups of 5 or more, so plan room for the whole group rather than one fish.
The Ropefish / reed fish profile lists Pictus catfish as a recommended pairing. Pictus catfish schools in groups of 5 or more, so plan room for the whole group rather than one fish.
Risky or situational
May work with more water, a mature system, or a species-only setup. Read the pair page before you experiment.
Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.
Giant danio is flagged predatory. Equal-size adults usually coexist, but the moment one is stressed, sick, or smaller after a moult, it becomes prey. Run the pair checker before stocking.
Fish to avoid with Ropefish / reed fish
Predation, aggression, or space rules on this profile. Treat these as poor default mixes.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Chili Rasbora at 2cm is well within an adult Ropefish / reed fish's gape.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Corydoras Catfish at 6cm is well within an adult Ropefish / reed fish's gape.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Ember Tetra at 2cm is well within an adult Ropefish / reed fish's gape.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Guppy at 5cm is well within an adult Ropefish / reed fish's gape.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Neon Tetra at 4cm is well within an adult Ropefish / reed fish's gape.
Ropefish / reed fish is flagged as predatory or as likely to eat small fish, and Pea Puffer at 3cm is well within an adult Ropefish / reed fish's gape.
Tank size and groups
- Published minimum for Ropefish / reed fish: 200L. Group minimum 2 .
- 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: 200L hub.
Easier alternatives to consider
Hardier first-tank names from the library. Still read the profile. Not a substitute for reading this one.
Plan before you buy
Start a pair check with Ropefish / reed fish, or open a starter plan with the top safer companions in the builder.
Tank hubs: 200L
Related reading
Guides that list other fish with the same trait, so you can plan around the group rather than one row.
- Fish that eat smaller tank mates →
Ropefish / reed fish may eat anything that fits in its mouth as it grows.
- Peaceful community fish →
Other peaceful species to shortlist beside Ropefish / reed fish.
Filtration & heating
A 200L minimum tank for Ropefish / reed fish needs a filter rated for at least 800L/hr turnover and a heater maintaining 24–30°C.
Similar fish (same category)
- African freshwater butterflyfish · min 150L
- Senegal bichir · min 300L
- Golden Wonder Killifish · min 80L
- American Flagfish · min 60L
- Marbled Hatchetfish · min 60L
- Clown Killifish · min 20L
- Black ghost knifefish · min 500L
Related (care + temperament)
Ropefish / reed fish tank mates — quick answers
- What fish can live with Ropefish / reed fish?
- Usually safer companions on this hub include Bala / silver shark, Pictus catfish. Open each pair check before you buy — the list is a shortlist, not a guarantee.
- What tank mates should you avoid with Ropefish / reed fish?
- Avoid Chili Rasbora, Corydoras Catfish, Ember Tetra, Guppy, Neon Tetra, Pea Puffer based on size, temperament, or predation risk on this profile.
- What size tank do Ropefish / reed fish need for a community?
- 200L is the planning floor for adult swimming space and bioload. A 250L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.