Save the Little Fish

Freshwater fishes

The fish list

542 species, each with the water it needs, who it gets along with, and where it comes from. Find one, or browse by family, genus or river.

Southeast Asia 6 fish

Harlequin rasbora

Harlequin rasbora ≈

Rasboras & danios · TrigonostigmaStaple

Peat swamp streams, Malay Peninsula and Sumatra

Harlequin rasbora

Trigonostigma heteromorpha

Peat swamp streams, Malay Peninsula and Sumatra · swamp or paddy

Temperature
22–28°C
pH
5–7.5
Adult size
1.8 in · 4.5 cm
Flow
Calm
Swims
Mid-water
Temperament
Peaceful
Diet
Omnivore
Group
8+
Typical price
$3–5
Rarity
Pet-store staple

Photo: NasserHalaweh, CC BY-SA 4.0

Pearl gourami

Pearl gourami ≈

Gouramis & bettas · Trichopodus

Long fins. Fin nippers will pick on it.

Peat swamps of Malaysia, Sumatra and Borneo

Pearl gourami

Trichopodus leerii

Peat swamps of Malaysia, Sumatra and Borneo · swamp or paddy

Temperature
24–28°C
pH
6–7.5
Adult size
5 in · 12 cm
Flow
Calm
Swims
Top and mid-water
Temperament
Peaceful
Diet
Omnivore
Group
1+
Typical price
$7–14

Long fins. Fin nippers will pick on it.

Photo: BEDO (Thailand), CC BY-SA 4.0

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