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Fish Freshwater Care: medium Semi-aggressive

Berdmore's Loach

Syncrossus berdmorei
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Other names: Blyth's loach, Redfin tiger loach, Tiger botia, Botia berdmorei
Group: Loaches and bottom dwellers · Family: Botiidae · Origin: Southeast Asia — Myanmar (Irrawaddy, Sittaung and Salween basins) and Manipur (northeastern India)

A large botia reaching 25 cm, with dark vertical bands and rows of spots on a yellowish background and reddish fins. It needs a very large aquarium, a big group and robust tankmates.

Will it suit my tank?

Last updated October 16, 2026

Temperature
22–26°C
pH
6.5–7.5
Hardness
5–15 dGH
Adult size
25 cm
Minimum tank size
400 liters
Social structure
School
Group
at least 5, ideally 6+
Swimming zone
Bottom
Diet
Omnivore
Breeding
Other

Water parameters

Temperature22–26°C
pH6.5–7.5
General hardness (GH)5–15 dGH
Recommended range
May escape, needs a lid Fin nipper Eats shrimp Eats snails Suitable for planted tanks

Overview

October 16, 2026 · Suggest an edit

Berdmore's loach is a large relative of the tiger loaches from the big rivers of Myanmar. Its yellowish-olive body carries dark bands and spots, and its fins have a reddish tinge. Adults can reach 25 cm. It is a bold, assertive feeder; rank fights are frequent in newly formed groups.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 400 liters and 180 cm of length for 5–6 adults.
  • 22–26°C, pH 6.5–7.5; strong filtration and plenty of oxygen.
  • Sturdy decor with large roots and stones and many shelters.
  • A heavy, tight lid is essential; it jumps.

Diet

October 16, 2026 · Suggest an edit

An omnivore leaning toward meaty foods, with a hearty appetite. Offer sinking granules and tablets, bloodworms, tubifex, brine shrimp, mysis and blanched vegetables. It hunts snails and shrimp.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

It can be active and quarrelsome; it frightens very small fish and nips the fins of slow, long-finned species. Bullying increases in groups of one to three.

Good companions: large barbs, devarios, big botias such as clown loaches and blue botias, large and fast tetras.

Avoid: snails, shrimp, small and timid species, long-finned fish such as angelfish and bettas.

A short profile for this species

The Berdmore's Loach page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Usually compatible

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026