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.

River 8 fish

Black skirt tetra

Black skirt tetra ≈

Tetras · GymnocorymbusStaple

Fin nipper. Keep it away from long-finned fish.

Paraguay and Guaporé basins

Black skirt tetra

Gymnocorymbus ternetzi

Paraguay and Guaporé basins · river

Temperature
21–27°C
pH
6–7.5
Adult size
2.4 in · 6 cm
Flow
Gentle
Swims
Mid-water
Temperament
Semi-aggressive
Diet
Omnivore
Group
6+
Typical price
$3–5
Rarity
Pet-store staple

Fin nipper. Keep it away from long-finned fish.

Photo: emptyvi, CC BY-SA 3.0

Serpae tetra

Serpae tetra ≈

Tetras · HyphessobryconStaple

Fin nipper. Keep it away from long-finned fish.

Amazon and Paraguay basins

Serpae tetra

Hyphessobrycon eques

Amazon and Paraguay basins · river

Temperature
22–28°C
pH
5.5–7.5
Adult size
1.8 in · 4.5 cm
Flow
Calm
Swims
Mid-water
Temperament
Semi-aggressive
Diet
Omnivore
Group
6+
Typical price
$3–5
Rarity
Pet-store staple

Fin nipper. Keep it away from long-finned fish.

Photo: Douglas Lopes, CC BY 4.0

Spotted zebra

L174

Plecos · HypancistrusUncommon

Small, with dense fine gold dots on black.

Rio Xingu, Brazil

Spotted zebra

L174

Hypancistrus yudja

Rio Xingu, Brazil · river

Temperature
26–30°C
pH
6–7.2
Adult size
2 in · 5 cm
Flow
Gentle
Swims
Bottom
Temperament
Peaceful
Diet
Omnivore
Breeding
Hard, slow
Typical price
$60–150
In Canada
Occasional
Rarity
Uncommon

Small, with dense fine gold dots on black. Patterns vary, so check photos before buying.

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