Siamese Algae Eater

Crossocheilus oblongus

Siamese Algae Eater is a peaceful bottom-dwelling fish.

PeacefulBottom dwellerBeginner – Intermediate

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

Quick facts

Adult size: ≤ 15 cm (≤ 5.9 in)
Aquarium size: 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Bottom dweller
Temperature: 24–27 °C
pH: 6.5–8
GH: 5–20 dGH
KH: 5–10 dKH
Diet: Omnivore
Lifespan: up to 10 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 10 years.

Aquarium size and space needs

Minimum aquarium size: 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 24–27 °C, pH 6.5–8, GH 5–20 dGH, KH 5–10 dKH.

Temperament and compatibility

Siamese Algae Eater is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the bottom area, so leave enough open substrate area for movement and feeding.

Feeding

As an omnivore, Siamese Algae Eater should receive a varied diet rather than one repeated food type.

Make sure food reaches the substrate before faster fish take it.

Natural habitat and origin

Origin: Thailand, Malaysia.

Before adding this fish

Plan for an aquarium of 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length.
Avoid aggressive or highly competitive fish.
Offer a varied diet suitable for an omnivorous bottom-dwelling fish.

Similar fish profiles

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

Bengal Loach Botia dario Similar care level Same temperament Bottom dweller Intermediate ≤ 15 cm (≤ 5.9 in) 23–27 °C Bala Shark Balantiocheilos melanopterus Same family Similar care level Same temperament Beginner – Intermediate ≤ 35 cm (≤ 13.8 in) 22–27 °C Asian Bumblebee Catfish Pseudomystus siamensis Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 15 cm (≤ 5.9 in) 20–26 °C Apollo’s Leporinus Leporinus apollo Similar care level Same temperament Bottom dweller Intermediate – Advanced ≤ 15 cm (≤ 5.9 in) 20–27 °C Barred Danio Devario pathirana Same family Similar care level Same temperament Beginner – Intermediate ≤ 8 cm (≤ 3.1 in) 20–26 °C Bengal Danio Devario devario Same family Similar care level Same temperament Beginner – Intermediate ≤ 8 cm (≤ 3.1 in) 15–26 °C

FAQ

How large does Siamese Algae Eater get?

Siamese Algae Eater reaches ≤ 15 cm (≤ 5.9 in).

What aquarium size does Siamese Algae Eater need?

Use an aquarium of at least 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length.

Is Siamese Algae Eater peaceful?

Yes. Siamese Algae Eater 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 Siamese Algae Eater?

Keep it between 24 to 27 °C.