Gourami Species

Gouramis are a diverse family of medium to large-sized fish. Most can be kept in community aquariums, but some species do not play well with others, while some are too timid to be kept with just any species of fish. This reference covers the basic attributes of the popular Gourami species, so you can consider which one would be a good fit for you. Links within each species go to a more detailed profile of that particular fish.

  • 01 of 06

    Blue Gourami

    Defender Regina

    Scientific Name: Trichogaster trichopterus
    Also Known As: Three Spot Gourami, Opaline Gourami, Cosby Gourami, Golden Gourami, Silver Gourami
    Adult Size: 4 inches (10 cm)
    Lifespan: 4 years
    Minimum Tank Size: 20 gallon
    pH: 6.0 - 8.8
    Hardness: 5-35°dGH
    Temperature: 72-82°F (22-28°C)
    Tankmates: Generally peaceful with similar sized fish

    Blue Gouramis are possibly the most well known of the Gourami family. They are easy to care for ​and can be kept with other fish of similar size. Blue Gouramis do not tolerate others of their own species well. This is particularly true of males, and it's recommended that only one male be kept in a tank. Several morphs exist, some with different patterns and colors. 

  • 02 of 06

    Chocolate Gourami

    Sphaerichthys osphormenoides - Chocolate Gourami
    Chocolate Gourami. Jonathan Lines

    Scientific Name: Sphaerichthys osphormenoides
    Adult Size: 1.75 inches (5 cm)
    Lifespan: 5 years
    Minimum Tank Size: 30 gallon
    pH: 4.0 to 7.0
    Hardness: 2 to 4°dGH
    Temperature: 75-86°F (25-30°C)
    Tankmates: Suitable only for very peaceful species

    Chocolate Gouramis are one of the more challenging Gourami species to keep. They are more sensitive to water conditions than other species, and are rather timid, making them unsuitable for keeping with more boisterous or aggressive fish. Chocolate Gouramis can also be difficult to find ​but are relished by experienced fish keepers. 

  • 03 of 06

    Dwarf Gourami

    Colisa lalia - Powder Blue Dwarf Gourami
    Powder Blue Dwarf Gourami. Surfguard

    Scientific Name: Colisa lalia
    Also Known As: Powder Blue Gourami, Red Gourami
    Adult Size: 2 inches (5 cm)
    Lifespan: 4 years
    Minimum Tank Size: 5 gallon
    pH: 6.0 - 7.5
    Hardness: 4-10°dGH
    Temperature: 72-82°F (22-28°C)
    Tankmates: Peaceful, best kept with other smaller fish

    One of the smallest of the Gourami family, this species is well suited for community aquariums of small fish. They are also suitable for keeping in mini aquariums. There are several color morphs of this species, from powder blue to brilliant red. 

  • 04 of 06

    Kissing Gourami

    Helostoma temminckii - Kissing Gourami
    Kissing Gourami. Daniel Ahlqvist

    Scientific Name: Helostoma temminckii
    Also Known As: Green Kisser, Pink Kisser
    Adult Size: 2 inches (6 cm)
    Lifespan: 5 years
    Minimum Tank Size: 20 gallon
    pH: 6.5 - 7.0
    Hardness: 5-12°dGH
    Temperature: 64-74°F (18-24°C)
    Tankmates: Peaceful, compatible with all species

    Kissing Gouramis are quite popular due to their unique behavior of appearing to kiss each other. In reality, they are exerting their territorial rights. This species can be quarrelsome with others, and care should be taken when putting them in a community tank. Generally, they do best with medium to large sized fish. Green and pink variations of this species are available. ​

    Continue to 5 of 6 below.
  • 05 of 06

    Moonlight Gourami

    Trichogaster microlepis - Moonlight Gourami
    Moonlight Gourami. CarolineCCB

    Scientific Name: Trichogaster microlepis
    Also Known As: Moonbeam Gourami
    Adult Size: 6 inches (15 cm)
    Lifespan: 4 years
    Minimum Tank Size: 20 gallon
    pH: 6.0 - 7.0
    Hardness: 2-25°dGH
    Temperature: 79-86°F (26-30°C)
    Tankmates: Timid, keep only with non-aggressive fish

    Moonlight Gouramis are aptly named for their silvery appearance. They are one of the larger species of Gouramis, and also one of the more timid. Moonlight Gouramis prefer a well-planted tank that offers plenty of hiding spaces. This species is tolerant of water conditions. 

  • 06 of 06

    Pearl Gourami

    Trichogaster leeri - Pearl Gourami
    Pearl Gourami. Stefan Maurer

    Scientific Name: Trichogaster leeri
    Also Known As: Leeri Gourami
    Adult Size: 4 inches (10 cm)
    Lifespan: 8 years
    Minimum Tank Size: 20 gallon
    pH: 6.5 - 8.5
    Hardness: 5-30°dGH
    Temperature: 74-82°F (24-28°C)
    Tankmates: Can be kept with all species

    Pearl Gouramis are possibly the hardiest and easy to care for of the Gourami family. They are highly adaptable and do well with a wide range of water conditions as well as tank mates.