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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.

EndangeredRarePopularPeacefulSmall (6 cm or less)Calm waterStrong flowSchooling✓ L-numbersWith photo Basic profiles too

The fishes 446 fish · new every day

Orinoco angel

L201
Orinoco angel ≈

Plecos · HypancistrusStaple

Crisp white dots and white fin edges.

Middle Orinoco, Venezuela

Orinoco angel

L201

Hypancistrus cf. contradens

Middle Orinoco, Venezuela · rapids

Temperature
27–30°C
pH
6–7.5
Adult size
4 in · 10 cm
Flow
Gentle
Swims
Bottom
Temperament
Peaceful
Diet
Omnivore
Breeding
Easy
Typical price
$25–60
In Canada
Common
Rarity
Pet-store staple

Crisp white dots and white fin edges. A classic first Hypancistrus.

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Photo: thepigeongirl, CC BY NC

Starlight bristlenose

L183
Starlight bristlenose ≈

Plecos · AncistrusUncommon

Black with white stars and white fin edges.

Rio Negro, Brazil

Starlight bristlenose

L183

Ancistrus dolichopterus

Rio Negro, Brazil · river

Temperature
23–28°C
pH
5.5–7.5
Adult size
6 in · 15 cm
Flow
Gentle
Swims
Bottom
Temperament
Peaceful
Diet
Omnivore
Breeding
Easy–moderate
Typical price
$25–80
In Canada
Occasional
Rarity
Uncommon

Black with white stars and white fin edges. The prettiest bristlenose, but it prefers cooler, soft water.

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Photo: Alberto Mejia-Paniagua, CC BY NC SA

Hi-fin green phantom

L200hf
Hi-fin green phantom ≈

Plecos · BaryancistrusRare

The hi-fin version, with a tall dorsal.

Upper Orinoco and Ventuari, Venezuela

Hi-fin green phantom

L200hf

Baryancistrus demantoides

Upper Orinoco and Ventuari, Venezuela · rapids

Temperature
27–30°C
pH
5.5–7.5
Adult size
6 in · 16 cm
Flow
Strong
Swims
Bottom
Temperament
Territorial
Diet
Omnivore
Breeding
Hard
Typical price
$100–250
In Canada
Rare
Rarity
Rare or hard to breed

The hi-fin version, with a tall dorsal. Territorial, and rarely bred.

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Photo: Anne Blindheim, CC BY-SA 3.0

Zebra

L046
Zebra ≈

Plecos · HypancistrusCR

Brazil banned wild export, so Canadian stock is tank-bred.

Volta Grande of the Rio Xingu, Brazil

Zebra

L046

Hypancistrus zebra

Volta Grande of the Rio Xingu, Brazil · rapids

Temperature
26–30°C
pH
6–7.5
Adult size
3 in · 8 cm
Flow
Strong
Swims
Bottom
Temperament
Peaceful
Diet
Omnivore
Breeding
Moderate, slow
Typical price
$150–500
In Canada
Occasional
Status in the wild
Critically endangered

Brazil banned wild export, so Canadian stock is tank-bred. Clean, even stripes where L236 are broken and patchy.

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Photo: Birger A, CC BY-SA 3.0

Clown pleco

L104
Clown pleco ≈

Plecos · PanaqolusStaple

A small wood-eater with orange bands.

Orinoco basin, Venezuela and Colombia

Clown pleco

L104

Panaqolus maccus

Orinoco basin, Venezuela and Colombia · river

Temperature
24–28°C
pH
5.5–7.5
Adult size
4 in · 9 cm
Flow
Gentle
Swims
Bottom
Temperament
Peaceful
Diet
Wood
Breeding
Moderate
Typical price
$15–35
In Canada
Common
Rarity
Pet-store staple

A small wood-eater with orange bands. Needs driftwood to rasp and tops out around 28°C.

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Photo: Jarne Colman, CC0

Tangerine tiger

L397
Tangerine tiger ≈

Plecos · PanaqolusUncommon

Orange-and-dark banded Panaqolus, also sold as the Alenquer tiger.

Near Alenquer, lower Amazon, Brazil

Tangerine tiger

L397

Near Alenquer, lower Amazon, Brazil · river

Temperature
24–28°C
pH
5.5–7.5
Adult size
4 in · 10 cm
Flow
Gentle
Swims
Bottom
Temperament
Peaceful
Diet
Wood
Breeding
Moderate
Typical price
$50–100
In Canada
Occasional
Rarity
Uncommon

Orange-and-dark banded Panaqolus, also sold as the Alenquer tiger. Needs driftwood.

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Photo: Fish Tank Society, CC BY-SA 4.0

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