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: Flow: Not recorded ✕

Not recorded 12 fish

Thresher pleco

L011

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Plecos · Aphanotorulus

23–28°C
pH 5.5–7.5
Bottom
Mixed

Thresher pleco

L011

Aphanotorulus emarginatus

Rio Suriname, Suriname · river

Temperature: 23–28°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Photo: Sidnei Dantas, CC BY-SA 4.0

Blue eyed red fin pleco

L137

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Plecos · Hypostomus

23–28°C
pH 5.5–7.5
Bottom
Mixed

Blue eyed red fin pleco

L137

Hypostomus soniae

Rio Tapajós, Brazil · river

Temperature: 23–28°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Photo: FCBThunder, CC BY-SA 4.0

Blackfinned Rubbernose Pleco

L187

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Plecos · Chaetostoma

20–25°C
pH 5.5–7.5
Bottom
Veg

Blackfinned Rubbernose Pleco

L187

Chaetostoma dorsale

Rio Guaviare and Apure, Colombia and Venezuela · river

Temperature: 20–25°C
pH: 5.5–7.5
Swims: Bottom
Diet: Grazer

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Photo: Gustavo A. Ballen, CC BY NC

Honeycomb Pleco

L037

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Plecos · Hypostomus

23–28°C
pH 5.5–7.5
Bottom
Mixed

Honeycomb Pleco

L037

Hypostomus faveolus

Rio Tocantins and Xingu, Brazil · river

Temperature: 23–28°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Butterfly pleco

L052

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Plecos · Dekeyseria

25–29°C
pH 5.5–7.5
Bottom
Mixed

Butterfly pleco

L052

Dekeyseria sp.

Unknown origin · river

Temperature: 25–29°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Spotted orange seam pleco

L106

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Plecos · Hemiancistrus

26–30°C
pH 5.5–7.5
Bottom
Mixed

Spotted orange seam pleco

L106

Hemiancistrus guahiborum

Rio Negro, Orinoco and Ventuari, Brazil and Venezuela · river

Temperature: 26–30°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Worm line peckoltia

L121

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Plecos · Peckoltia

25–29°C
pH 5.5–7.5
Bottom
Mixed

Worm line peckoltia

L121

Peckoltia braueri

Rio Branco and Negro, Brazil · river

Temperature: 25–29°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Ghost pleco

L141

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Plecos · Ancistomus

25–29°C
pH 5.5–7.5
Bottom
Mixed

Ghost pleco

L141

Ancistomus snethlageae

Rio Tapajós, Brazil · river

Temperature: 25–29°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Butterfly pleco

L168

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Plecos · Dekeyseria

25–29°C
pH 5.5–7.5
Bottom
Mixed

Butterfly pleco

L168

Dekeyseria brachyura

Rio Negro and Orinoco, Brazil and Venezuela · river

Temperature: 25–29°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Peckoltia sp.

L205

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Plecos · Peckoltia

25–29°C
pH 5.5–7.5
Bottom
Mixed

Peckoltia sp.

L205

Peckoltia sp.

Unknown origin · river

Temperature: 25–29°C
pH: 5.5–7.5
Swims: Bottom
Diet: Omnivore

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Leporacanthicus cf. galaxias

L240

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Plecos · Leporacanthicus

26–30°C
pH 5.5–7.5
Bottom
Snail

Leporacanthicus cf. galaxias

L240

Leporacanthicus cf. galaxias

Unknown origin · river

Temperature: 26–30°C
pH: 5.5–7.5
Swims: Bottom
Diet: Snail

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Hypancistrus sp.

L400

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Plecos · Hypancistrus

27–30°C!
pH 5.5–7.5
Bottom
Meat

Hypancistrus sp.

L400

Hypancistrus sp.

Unknown origin · river

Temperature: 27–30°C
pH: 5.5–7.5
Swims: Bottom
Diet: Carnivore

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