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Should I buy it?

Zebra Loach

Botia striata

Also known as: striped loach

If the yoyo loach is the gang, the zebra is the housetrained cousin: the same snail appetite in a 10 cm fish that stays peaceful in a 120L community. It keeps one botiid non-negotiable — six of its own kind, or it hides and you own striped gravel.

Zebra Loach tank mates · 120L tank size hub

VerdictCAUTION

peaceful · intermediate care

Sources & confidencehigh · partially verified · beginner: caution

Checked against several solid care sources that mostly agree. Numbers here are a careful starting point. Your tap water, tank size, and habits decide the rest. How we evaluate.

Min tank
120L
Adult
~10cm
Group
6
Temp
2228°C

Best for: Standard communities of 120L or more with smooth substrate: six zebras below harlequins or neons, a dwarf gourami above, and a pest-snail population on notice.

Avoid if: You want to keep ornamental snails or shrimp, can only house one or two loaches, or the bottom is coarse sharp gravel.

Common mistakeKeeping one or two zebra loaches in a large community is how people decide the species is shy and dull. Singles hide, skip the queue behaviour, and never show the active foraging visible in a proper group. Plan for six on smooth sand or rounded gravel in roughly 120 litres or more. A pair is not a starter pack for this loach.

Top things that go wrong

  1. Group welfare — not a solo display fish. Plan at least **6** together for normal behaviour; smaller groups often mean stress, colour loss, or nipping depending on species.
  2. Shrimp & snails. Cherry shrimp and other dwarfs can coexist with peaceful small fish; baby shrimp are food for almost anything that finds them.

What most shops don't tell you

  • 1.Zebra loaches get sold as snail clean-up crew you can add as a one-fish tool. Snail hunting is real, but the fish still needs a social group and soft substrate, and it will not thrive as a lone janitor. Buy them as a loach school that also eats pests, not as a chemical alternative in a single bag. Clean-up is a side effect of correct stocking.
  • 2.Buying three or four to start. Zebra Loach settles in a group of 6 or more. An understocked school sulks at the back of the tank and loses colour within a fortnight.
  • 3.Group of six or more on smooth substrate with stable water. Snail control is possible but not the sole reason to buy a social species.

About this species

Compact botiid loach from India with bold black-and-white vertical bands. Groups of four to six establish a relaxed social order and stay active through daylight. A reliable opportunistic snail controller in community tanks, though not a sole snail solution.

Similar fish
Same category, closest min tank.
Related fish
Same care level & temperament, similar volume band.
Commonly paired with Zebra Loach
Other species that list this fish as a safe or "best with" direction.

No reverse lookups listed yet.

Plan grid

Key limits are above. Here: pH band, swim level, bioload, and activity.

pH
6 – 7.5
Bioload
medium
Relative to similar community fish
Activity
medium
Flow medium · O₂ medium

Swim zones

Care snapshot

Quick compare before you buy. Not a score of how “good” the fish is.

Planning trait radar for this speciesBeginner easePeacefulnessCommunity fitSmall-tank fitHardinessEnergy
  • Beginner ease32
  • Peacefulness90
  • Community fit79
  • Small-tank fit100
  • Hardiness54
  • Energy54

Numbers are deterministic planning indices from Fishori fields — not a scientific score of your individual fish.

Adult size
Zebra Loach adults reach about 10 cm. Shop fish look smaller; stock for the adult length.
Tank size
120L is the planning floor for adult swimming space and bioload. A 146L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.

Example setups

Starting points only. Run the pair checker for every fish you add.

Beginner-style peaceful community (planning sketch)

Rough 120L+ layout: one calm centrepiece, 8–12 small tetras/rasboras, 6–8 corydoras-type bottom fish — verify every name in the pair checker before buying.

Safer directions include: Dwarf Gourami, Harlequin Rasbora, Neon Tetra.

Species-first shoal tank

Prioritise 6+ of Zebra Loach in 120L+ with filtration sized for messy feeding — add only mates that already pass pair checks with this species.

Compatibility

Tank mates for Zebra Loach

Usually safer (engine GOOD): Dwarf Gourami, Harlequin Rasbora, Neon Tetra. Conditional (CAUTION — read the pair page before buying): Corydoras Catfish. Avoid (RISKY): Green Terror, Jack Dempsey, Oscar. Every name links to a live pair check — the lists are a shortlist, not a stocking plan.

VerdictGOOD

Usually safer

Open a pair page with this fish as the starting point.

VerdictCAUTION

Needs planning

Read the blocking rule on each pair page before experimenting.

VerdictRISKY

Usually avoid

Do-not-stock combinations on conservative hobby rules.

Compare with

Run a real pair check: Zebra Loach + Dwarf Gourami

If Zebra Loach is the wrong pick, try instead
Safer directions when this fish does not fit your tank or experience.

Behaviour and temperament

In the tank

Zebra loaches are social bottom workers that only show their best behaviour in a group. Six or more often queue nose-to-tail on a dusk foraging route; one or two hide in separate caves and look like different, shyer fish. They are peaceful toward most midwater companions, but snails and shrimp are food, not tank mates. Busy group foraging on soft substrate is the healthy picture — scattered loners usually mean under-stocking.

What sets them off

  • Sudden crowding
  • Poor water quality

Fin nipping: Not a habitual fin-nipper; stressed or crowded individuals can still test fins.

Predation: Not a predator toward similarly sized community fish; fry and dwarf shrimp are still fair game for most species.

Territory: Not strongly territorial, but still needs room so its working space does not overlap the next fish.

Planted tanks: excellenteasy plant ideas

In the glass: typical and warning signs

Typical behaviour
  • Groups of six or more often queue nose-to-tail on a dusk foraging circuit.
  • Busy sand-sifting in a line; singles usually hide and look inactive.
Stress signals
  • Scattered hiding with no group contact after a cold snap or rough water week.
  • Clamped fins and refusing sinking food — test water before rearranging caves.
Aggression signals
  • Peaceful toward most fish; snails and shrimp are prey, not community décor.
  • In-group sparring is brief when the school is large enough.
When to separate or rethink
  • One loach pinned and stripped of barbels → check numbers and hiding spots.
  • Missing shrimp or fancy snails → expected predation, not a filter mystery.

Fish behaviour can vary between individuals and tank setups. Always observe new fish closely after introduction.

Water, food, and grouping

Water, feeding, inverts

Hardness

medium

Diet

omnivore

Zebra loaches miss meals when midwater fish clear floating food first. Sink wafers, loach or cory pellets, and frozen foods to the sand after lights soften, and watch the group actually eat. They will hunt pest snails; that is predation, not a complete diet. If you never see deliberate bottom feeding, the school is living on scraps.

Shrimp & snails

Cherry shrimp and other dwarfs can coexist with peaceful small fish; baby shrimp are food for almost anything that finds them.

Grouping

Schooling species — buy 6+ together. Smaller groups stress and lose colour.

Before you buy checklist
Tick mentally in the shop. Every box should be true before you pay.
  • Hold 22 to 28 °C steadily on a real thermometer, not the dial on the heater.
  • Aim for pH 6 to 7.5 and a hardness you can re-test in two weeks. A one-time strip in the shop car park is not a water test.
  • Schooling species. Buy 6 or more from the same tank on the same day before adding any centrepiece fish.
  • Tank volume meets or exceeds 120L published minimum for adults.
  • You can stock at least 6 individuals (group welfare).
  • Heater can hold 22–28°C without cooking cooler-water tank mates.

Explore and stocking hubs

Tank-mates hub, matching guides, category peers, and litre stocking lists around this species’ minimum tank.

Plan with tools

Check mates as pairs first, then add this fish in the tank builder for the full stocking.

Filtration & heating

A 120L minimum tank needs a filter rated for at least 480L/hr turnover and a heater to hold 2228°C reliably.

Plant suggestions

Zebra Loach does well in planted tanks. Plants compatible with 2228°C and pH 67.5:

Sources & evidence

Research: partially verified · Confidence: high · 3 linked source(s). We do not invent citations.

How Fishori evaluates compatibility (same logic as pair and tank tools).

Evidence notes

  • Care numbers are cross-checked across the linked sources and biased toward the conservative end; compatibility reflects typical hobby experience, not a lab prediction. Method and full source policy: /methodology.

Last reviewed · Curated by Fishori · cross-checked against 3 sources

Spotted an error? hello@fishori.com

Common questions about Zebra Loach

How big do Zebra Loach get?
Zebra Loach adults reach about 10 cm. Shop fish look smaller; stock for the adult length.
What size tank does Zebra Loach need?
120L is the planning floor for adult swimming space and bioload. A 146L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.
Are Zebra Loach aggressive?
Zebra loaches are social bottom workers that only show their best behaviour in a group. Six or more often queue nose-to-tail on a dusk foraging route; one or two hide in separate caves and look like different, shyer fish. They are peaceful toward most midwater companions, but snails and shrimp are food, not tank mates. Busy group foraging on soft substrate is the healthy picture — scattered loners usually mean under-stocking.
Do Zebra Loach need to be kept in a group?
Schooling species — buy 6+ together. Smaller groups stress and lose colour.
What is the most common mistake with Zebra Loach?
Keeping one or two zebra loaches in a large community is how people decide the species is shy and dull. Singles hide, skip the queue behaviour, and never show the active foraging visible in a proper group. Plan for six on smooth sand or rounded gravel in roughly 120 litres or more. A pair is not a starter pack for this loach.
What fish can live with Zebra Loach?
The Zebra Loach profile lists Dwarf Gourami, Harlequin Rasbora, Neon Tetra among its safer pairings (engine-checked GOOD). Corydoras Catfish is conditional (CAUTION): workable only with the specific conditions on its pair page. Avoid Green Terror, Jack Dempsey, Oscar (RISKY). Run the pair checker for your exact water and tank size before stocking.