Siamese Fighting Fish

Betta splendens

Siamese Fighting Fish is a top swimmer.

Semi-AggressiveTop swimmerBeginner – Intermediate

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

Quick facts

Adult size
≤ 7 cm (≤ 2.8 in)
Care level
Beginner – Intermediate
Temperament
Semi-Aggressive
Swimming zone
Top swimmer
Temperature
24–27 °C
pH
6.5–7.5
GH
5–20 dGH
Diet
Carnivore
Lifespan
up to 5 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Water parameters

Suitable water: temperature 24–27 °C, pH 6.5–7.5, GH 5–20 dGH.

Temperament and compatibility

Siamese Fighting Fish needs careful companion choice because it can be territorial or semi-aggressive.

Swimming zone and behavior

This fish uses the upper part of the aquarium, so leave enough surface space 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.

Natural habitat and origin

Origin: Cambodia, Laos, Vietnam, Thailand.

Before adding this fish

  • Choose other fish carefully around this temperament.
  • Offer a varied diet that matches this species.

Similar fish profiles

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

FAQ

How large does Siamese Fighting Fish get?

Siamese Fighting Fish reaches ≤ 7 cm (≤ 2.8 in).

Is Siamese Fighting Fish peaceful?

Siamese Fighting Fish needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.

What temperature is suitable for Siamese Fighting Fish?

Keep it between 24 to 27 °C.

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