Giant Red Tail Gourami

Osphronemus laticlavius

Giant Red Tail Gourami (Osphronemus laticlavius) is a peaceful middle-to-top swimmer that suits calm freshwater aquariums. It uses the middle to upper part of the aquarium, so stocking should leave room in that area.

Peaceful Middle to top swimmer Often planned as a pair Intermediate
Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
up to 50 cm
Aquarium size
900 L or larger
Care level
Intermediate
Temperament
Peaceful
Swimming zone
Middle to top swimmer
Temperature
20–30 °C
pH
6.5–8
GH
5–25 dGH
Diet
Omnivore
Lifespan
up to 20 years
Group behavior
Often planned as a pair

Overview

Giant Red Tail Gourami (Osphronemus laticlavius) is a middle-to-top swimmer for aquariums where the layout leaves enough open swimming space and the water stays stable.

Use these values as planning checks, then make sure the aquarium still has room for behavior, group needs, and calm community fish.

Care requirements

With a Intermediate care level, Giant Red Tail Gourami is best for aquarists who can keep water quality steady and plan compatibility before adding the fish.

Because it uses the middle to upper part of the aquarium, leave enough open swimming space instead of crowding that part of the aquarium.

With a lifespan of up to 20 years, this is a fish to plan for long term rather than an impulse addition.

Aquarium size and space needs

An aquarium of 900 L or larger can be a reasonable starting point, but it should not be read as permission to overstock.

At up to 50 cm, Giant Red Tail Gourami stays small, but it still needs room to move, feed, and avoid constant competition.

Uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Water parameters

The temperature range for this fish is 20 to 30 °C, which fits many tropical freshwater aquariums. Choose other fish with overlapping temperature needs.

The pH range for this fish is 6.5 to 8. That points to a broad freshwater range, but stability is more important than sudden corrections.

The GH range for this fish is 5 to 25 dGH. That gives some flexibility, but sudden changes are usually more stressful than a stable value that is slightly imperfect.

Temperament and compatibility

As a peaceful middle-to-top swimmer, Giant Red Tail Gourami is best kept with calm species that will not harass it or dominate the feeding area.

Because this fish uses the middle to upper part of the aquarium, compatibility is easier when other fish are not all competing for the same swimming space.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Feeding

As an omnivore, Giant Red Tail Gourami should receive a varied diet rather than one repeated food type.

Natural habitat and origin

This profile currently lists the origin as Malaysia. Treat this as a broad regional note rather than a complete habitat description.

Before adding this fish

Use this checklist before treating the profile as a match for an existing aquarium.

  • Plan for an aquarium of 900 L or larger.
  • Choose other fish with overlapping temperature needs.
  • Keep pH stable within the listed range instead of making sudden corrections.
  • Avoid aggressive or highly competitive fish.
  • 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 Giant Red Tail Gourami get?

Giant Red Tail Gourami reaches up to 50 cm according to this profile. It stays relatively small, but aquarium planning should still account for swimming room.

What aquarium size does Giant Red Tail Gourami need?

Plan for an aquarium of 900 L or larger. Treat this as a baseline, because fish also need suitable swimming room and compatible fish.

Is Giant Red Tail Gourami peaceful?

Yes. Giant Red Tail Gourami 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 Giant Red Tail Gourami?

The temperature range for this fish is 20 to 30 °C. Choose other fish with overlapping temperature needs and avoid sudden temperature swings.

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