Dwarf Chain Loach

Ambastaia sidthimunki

Dwarf Chain Loach is a peaceful bottom-to-middle swimmer. Keep in a loose group of 6+.

PeacefulBottom to middle swimmerKeep in a loose group of 6+Beginner – Intermediate

Save this fish or add it directly to one of your aquariums.

Need help with Dwarf Chain Loach?

Explore compatibility, care or problems using this guide and your aquarium’s conditions.

Quick facts

Adult size: ≤ 2.4" (≤ 6 cm)
Aquarium size: 20 US gal (75 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Bottom to middle swimmer
Temperature: 68–86°F (20–30°C)
pH: 5.5–7.5
GH: 1–12 dGH
Diet: Carnivore
Lifespan: up to 10 years
Group behavior: Keep in a loose group of 6+

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 10 years.

Aquarium size and space needs

Minimum aquarium size: 20 US gal (75 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 20–30 °C, pH 5.5–7.5, GH 1–12 dGH.

Temperament and compatibility

Dwarf Chain Loach is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the lower to middle part of the aquarium, so leave enough open substrate area for movement and feeding.

Feeding

Use foods that suit a meatier diet and avoid combining it with fish small enough to be treated as food.

Offer diverse small animal foods alongside some plant/vegetable matter; may forage for small snails, but not reliable pest control.

Before adding this fish

Plan for an aquarium of 20 US gal (75 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length.
Avoid aggressive or highly competitive fish.
Keep in a loose group of 6+.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Thailand.

Important notes

Needs a proper large group, a mature oxygen-rich, low-waste aquarium, secure lid and many retreats; reported fin damage to slow or long-finned community fish remains unresolved.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Bengal Loach Botia dario Same family Similar care level Same temperament Intermediate ≤ 5.1" (≤ 13 cm) 73–79°F (23–26°C) Bintan Licorice Gourami Parosphromenus bintan Similar care level Same temperament Same swimming zone Intermediate ≤ 1" (≤ 2.6 cm) 72–82°F (22–28°C) Blue Striped Rivulus Killifish Rivulus xiphidius Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 1.8" (≤ 4.5 cm) 72–77°F (22–25°C) Adolfos Catfish Hoplisoma adolfoi Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 68–79°F (20–26°C) African Banded Barb Barbus fasciolatus Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 68–79°F (20–26°C) Araguaia Corydoras Hoplisoma araguaiaense Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 73–79°F (23–26°C)

FAQ

How large does Dwarf Chain Loach get?

Dwarf Chain Loach reaches ≤ 2.4" (≤ 6 cm).

What aquarium size does Dwarf Chain Loach need?

Use an aquarium of at least 20 US gal (75 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length.

Is Dwarf Chain Loach peaceful?

Yes. Dwarf Chain Loach is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.

What temperature is suitable for Dwarf Chain Loach?

Keep it between 20 to 30 °C.

Should Dwarf Chain Loach be kept alone or in a group?

Dwarf Chain Loach: Keep in a loose group of 6+.