Freshwater fishes

The fish list

499 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.

Endangered Rare ✓ Popular ✓ Peaceful Small (6 cm or less)Calm water Strong flow ✓ Schooling L-numbers With photo Basic profiles too

Showing: Home water: Stream ✕

Stream 8 fish

Bronze corydoras

≈

Corydoras · CorydorasStaple

22–28°C
pH 6–8
Gentle
2.8 in
Bottom
Mixed
Peaceful
6+ group!

Bronze corydoras

Corydoras aeneus

Widespread in South America · stream

Temperature: 22–28°C
pH: 6–8
Adult size: 2.8 in · 7 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $3–6
Rarity: Pet-store staple

View full profile

Photo: Andrew Keller, CC0

Cherry barb

≈

Barbs · PuntiusStaple

23–27°C
pH 6–7.5
Calm
2 in
Mid/bottom
Mixed
Peaceful
6+ group!

Cherry barb

Puntius titteya

Shaded forest streams, Sri Lanka · stream

Temperature: 23–27°C
pH: 6–7.5
Adult size: 2 in · 5 cm
Flow: Calm
Swims: Mid-water and bottom
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $3–5
Rarity: Pet-store staple

View full profile

Photo: NasserHalaweh, CC BY-SA 4.0

Cherry shrimp

≈

Shrimp & snails · NeocaridinaStaple

18–26°C
pH 6.5–8
Calm
1 in
Bottom
Veg
Peaceful
10+ group!

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

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.

View full profile

Photo: TonyZimbinski, CC BY-SA 4.0

Dwarf neon rainbowfish

≈

Rainbowfish · Melanotaenia

24–28°C
pH 6.5–7.5
Gentle
2.4 in
Mid/top
Mixed
Peaceful
6+ group!

Dwarf neon rainbowfish

Melanotaenia praecox

Mamberamo River basin, New Guinea · stream

Temperature: 24–28°C
pH: 6.5–7.5
Adult size: 2.4 in · 6 cm
Flow: Gentle
Swims: Mid-water and top
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $6–12

View full profile

Photo: Raimond Spekking, CC BY-SA 4.0

Otocinclus

≈

Catfish · OtocinclusStaple

21–27°C
pH 6–7.5
Gentle
1.6 in
Bottom/mid
Veg
Peaceful
6+ group!

Otocinclus

Otocinclus vittatus

Streams across South America · stream

Temperature: 21–27°C
pH: 6–7.5
Adult size: 1.6 in · 4 cm
Flow: Gentle
Swims: Bottom and mid-water
Temperament: Peaceful
Diet: Grazer
Group: 6+
Typical price: $4–7
Rarity: Pet-store staple

View full profile

Photo: No machine-readable author provided. Chle assumed (based on copyright claims)., CC BY-SA 3.0

Panda corydoras

≈

Corydoras · CorydorasStaple

20–25°C
pH 6–7.5
Gentle
2 in
Bottom
Mixed
Peaceful
6+ group!

Panda corydoras

Corydoras panda

Clear Andean foothill streams, Peru · stream

Temperature: 20–25°C
pH: 6–7.5
Adult size: 2 in · 5 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $5–9
Rarity: Pet-store staple

View full profile

Photo: Chronotopian, CC BY-SA 3.0

White cloud mountain minnow

≈

Rasboras & danios · TanichthysStaple

14–22°C!
pH 6–8
Gentle
1.6 in
Top/mid
Mixed
Peaceful
6+ group!

White cloud mountain minnow

Tanichthys albonubes

Mountain streams near Guangzhou, China · stream

Temperature: 14–22°C
pH: 6–8
Adult size: 1.6 in · 4 cm
Flow: Gentle
Swims: Top and mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $2–4
Rarity: Pet-store staple

View full profile

Photo: Ethmostigmus, CC BY-SA 4.0

Zebra danio

≈

Rasboras & danios · DanioStaple

18–26°C
pH 6.5–8
Strong!
2 in
Top/mid
Mixed
Peaceful
6+ group!

Zebra danio

Danio rerio

Streams and paddies of India and Bangladesh · stream

Temperature: 18–26°C
pH: 6.5–8
Adult size: 2 in · 5 cm
Flow: Strong
Swims: Top and mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $2–4
Rarity: Pet-store staple

View full profile

Photo: Roundish, CC0

Showing 8 of 8