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: River & region: Unknown origin ✕

Unknown origin 6 fish

Red lizard whiptail

L010a

≈

Plecos · RineloricariaStaple

22–27°C
pH 5.5–7.5
Calm
5 in
Bottom
Mixed
Peaceful

Lays eggs in the open, and the male guards them where you can watch.

Red lizard whiptail

L010a

Aquarium-bred colour strain · river

Temperature: 22–27°C
pH: 5.5–7.5
Adult size: 5 in · 12 cm
Flow: Calm
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Breeding: Easy
Typical price: $10–25
In Canada: Common
Rarity: Pet-store staple

Lays eggs in the open, and the male guards them where you can watch. Prefers cooler water.

View full profile

Photo: Kaden Slone, CC BY 4.0

Blue-eye lemon bristlenose

L144

≈

Plecos · AncistrusStaple

22–28°C
pH 5.5–7.5
Gentle
5 in
Bottom
Mixed
Peaceful

Yellow bristlenose with blue eyes.

Blue-eye lemon bristlenose

L144

Aquarium-bred strain. Its wild origin isn’t well documented. · river

Temperature: 22–28°C
pH: 5.5–7.5
Adult size: 5 in · 12 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Breeding: Easy
Typical price: $10–35
In Canada: Common
Rarity: Pet-store staple

Yellow bristlenose with blue eyes. Easy and cheap, but happier below 28°C. L144a is the longfin form.

View full profile

Photo: Corydoras-adolfoi, CC BY-SA 4.0

Wormline peckoltia

L135

Give us a picture and get credit! ≈

Plecos · PeckoltiaUncommon

25–29°C
pH 5.5–7.5
Gentle
5 in
Bottom
Mixed
Peaceful

Dark body covered in fine gold worm-lines.

Wormline peckoltia

L135

Unknown origin · river

Temperature: 25–29°C
pH: 5.5–7.5
Adult size: 5 in · 12 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Breeding: Moderate
Typical price: $40–80
In Canada: Occasional
Rarity: Uncommon

Dark body covered in fine gold worm-lines. Peaceful and easy to keep.

View full profile

Peppermint bristlenose

L181

Give us a picture and get credit! ≈

Plecos · AncistrusUncommon

24–28°C
pH 5.5–7.5
Gentle
5 in
Bottom
Mixed
Peaceful

Black with white spots and bright white fin edges.

Peppermint bristlenose

L181

Unknown origin · river

Temperature: 24–28°C
pH: 5.5–7.5
Adult size: 5 in · 13 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Breeding: Moderate
Typical price: $60–120
In Canada: Occasional
Rarity: Uncommon

Black with white spots and bright white fin edges. A standout bristlenose, but it prefers slightly cooler water than L236.

View full profile

Stardust

L262

Give us a picture and get credit! ≈

Plecos · HypancistrusUncommon

26–30°C
pH 5.5–7.5
Strong!
4 in
Bottom
Meat
Peaceful

Black with a fine dusting of white dots.

Stardust

L262

Unknown origin · rapids

Temperature: 26–30°C
pH: 5.5–7.5
Adult size: 4 in · 10 cm
Flow: Strong
Swims: Bottom
Temperament: Peaceful
Diet: Carnivore
Breeding: Moderate
Typical price: $40–90
In Canada: Occasional
Rarity: Uncommon

Black with a fine dusting of white dots. It can cross with L236.

View full profile

Dwarf snowball

L471

Give us a picture and get credit! ≈

Plecos · HypancistrusUncommon

26–30°C
pH 5.5–7.5
Strong!
3 in
Bottom
Meat
Peaceful

A small, white-spotted Hypancistrus.

Dwarf snowball

L471

Unknown origin · rapids

Temperature: 26–30°C
pH: 5.5–7.5
Adult size: 3 in · 8 cm
Flow: Strong
Swims: Bottom
Temperament: Peaceful
Diet: Carnivore
Breeding: Easy–moderate
Typical price: $25–60
In Canada: Occasional
Rarity: Uncommon

A small, white-spotted Hypancistrus. It can cross with L236, so only mix them in a tank you won’t sell fry from.

View full profile

Showing 6 of 6