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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.

EndangeredRarePopularPeacefulSmall (6 cm or less)Calm waterStrong flowSchoolingL-numbersWith photo ✓ Basic profiles too
Showing: River & region: New Guinea ✕

New Guinea 2 fish

Boeseman's rainbowfish

Boeseman's rainbowfish ≈

Rainbowfish · Melanotaenia

  • 26–30°C
  • pH 7–8
  • Gentle
  • 4 in
  • Mid/top
  • Mixed
  • Peaceful
  • 6+ group!
Ayamaru Lakes, West Papua

Boeseman's rainbowfish

Melanotaenia boesemani

Ayamaru Lakes, West Papua · lake

Temperature
26–30°C
pH
7–8
Adult size
4 in · 10 cm
Flow
Gentle
Swims
Mid-water and top
Temperament
Peaceful
Diet
Omnivore
Group
6+
Typical price
$8–15
View full profile

Photo: H. Zell, CC BY-SA 3.0

Dwarf neon rainbowfish

Dwarf neon rainbowfish ≈

Rainbowfish · Melanotaenia

  • 24–28°C
  • pH 6.5–7.5
  • Gentle
  • 2.4 in
  • Mid/top
  • Mixed
  • Peaceful
  • 6+ group!
Mamberamo River basin, New Guinea

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

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