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.

The fishes 168 fish · new every day

Cherry shrimp

Cherry shrimp ≈

Shrimp & snails · NeocaridinaStaple

Invertebrate. Many fish will eat it, so choose tank mates with care.

Streams of Taiwan and eastern China

Cherry shrimp

Neocaridina davidi

Streams of Taiwan and eastern China · stream

Temperature
18–26°C
pH
6.5–8
Adult size
1 in · 2.5 cm
Flow
Calm
Swims
Bottom
Temperament
Peaceful
Diet
Grazer
Group
10+
Typical price
$2–5
Rarity
Pet-store staple

Invertebrate. Many fish will eat it, so choose tank mates with care.

Photo: TonyZimbinski, 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

Demasoni

Demasoni ≈

Cichlids · ChindongoVU

Predator. Eats any fish that fits in its mouth.

Lake Malawi: Pombo Rocks, Tanzanian coast

Demasoni

Chindongo demasoni

Lake Malawi: Pombo Rocks, Tanzanian coast · lake

Temperature
24–28°C
pH
7.6–8.8
Adult size
3 in · 7.5 cm
Flow
Gentle
Swims
Mid-water
Temperament
Aggressive
Diet
Herbivore
Group
6+
Status in the wild
Vulnerable

Predator. Eats any fish that fits in its mouth.

Hard water. Needs hard, alkaline water, like its rift lake.

Photo: dinomariobob, CC0

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