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.

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

Showing: Genus: Poecilia ✕

Poecilia 3 fish

Endler's livebearer

Endler's livebearer

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Livebearers · PoeciliaStaple

Endler's livebearer

Poecilia wingei

Laguna de los Patos, Venezuela · lake

Temperature: 24–28°C
pH: 7–8.5
Adult size: 1.2 in · 3 cm
Flow: Calm
Swims: Top and mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 3+
Typical price: $3–6
Rarity: Pet-store staple

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Photo: Dgrummon, CC BY-SA 4.0

Guppy

Guppy

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Livebearers · PoeciliaStaple

Long fins. Fin nippers will pick on it.

Guppy

Poecilia reticulata

Trinidad and northern Venezuela · stream

Temperature: 22–28°C
pH: 7–8.5
Adult size: 2 in · 5 cm
Flow: Calm
Swims: Top and mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 3+
Typical price: $2–8
Rarity: Pet-store staple

Long fins. Fin nippers will pick on it.

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Photo: Holger Krisp, CC BY 3.0

Molly

Molly

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Livebearers · PoeciliaStaple

Molly

Poecilia sphenops

Coastal rivers, Mexico to Colombia · brackish estuary

Temperature: 22–28°C
pH: 7.5–8.5
Adult size: 3 in · 8 cm
Flow: Calm
Swims: Mid-water and top
Temperament: Peaceful
Diet: Omnivore
Group: 3+
Typical price: $3–7
Rarity: Pet-store staple

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Photo: Dnoerholm, CC BY-SA 4.0

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