Save the Little Fish

Sign in

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 flowSchoolingL-numbersWith photo ✓ Basic profiles too

The fishes 542 fish · new every day

Guyana leopard cactus

L600
Guyana leopard cactus ≈

Plecos · PseudacanthicusRare

Spotted cactus pleco with orange-edged fins.

Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil

Guyana leopard cactus

L600

Pseudacanthicus leopardus

Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil · rapids

Temperature
26–30°C
pH
5.5–7.5
Adult size
12 in · 30 cm
Flow
Strong
Swims
Bottom
Temperament
Aggressive
Diet
Carnivore
Breeding
Rarely
Typical price
$90–300
In Canada
Rare
Rarity
Rare or hard to breed

Spotted cactus pleco with orange-edged fins. Large, spiny and aggressive with other plecos.

View full profile

Photo: Sesamehoneytart, CC BY-SA 3.0

Kenyi

Kenyi ≈

Cichlids · MaylandiaLC

Predator. Eats any fish that fits in its mouth.

Lake Malawi: Mbenji Islands and Nkhomo Reef, Malawi (introduced at Namalenje Island)

Kenyi

Maylandia lombardoi

Lake Malawi: Mbenji Islands and Nkhomo Reef, Malawi (introduced at Namalenje Island) · lake

Temperature
24–28°C
pH
7.6–8.8
Adult size
6 in · 15 cm
Flow
Gentle
Swims
Mid-water
Temperament
Aggressive
Diet
Omnivore
Group
4+
Status in the wild
Least concern

Predator. Eats any fish that fits in its mouth.

Hard water. Needs hard, alkaline water, like its rift lake.

View full profile

Photo: Vlad Butsky, CC BY 4.0

Moorii

Moorii ≈

Cichlids · TropheusNT

Hard water. Needs hard, alkaline water, like its rift lake.

Lake Tanganyika: shallow rocky shorelines (many local colour forms)

Moorii

Tropheus moorii

Lake Tanganyika: shallow rocky shorelines (many local colour forms) · lake

Temperature
23–27°C
pH
8–9.5
Adult size
6 in · 14.5 cm
Flow
Strong
Swims
Mid-water
Temperament
Aggressive
Diet
Herbivore
Group
15+
Status in the wild
Near threatened

Hard water. Needs hard, alkaline water, like its rift lake.

View full profile

Photo: Bobby 111 (?), CC BY-SA 3.0

Yellow lab

Yellow lab ≈

Cichlids · LabidochromisLC

Predator. Eats any fish that fits in its mouth.

Lake Malawi: NW coast; electric-yellow form only between Charo and Lion's Cove, Malawi

Yellow lab

Labidochromis caeruleus

Lake Malawi: NW coast; electric-yellow form only between Charo and Lion's Cove, Malawi · lake

Temperature
24–28°C
pH
7.7–8.6
Adult size
4 in · 10 cm
Flow
Gentle
Swims
Mid-water
Temperament
Semi-aggressive
Diet
Omnivore
Group
4+
Status in the wild
Least concern

Predator. Eats any fish that fits in its mouth.

Hard water. Needs hard, alkaline water, like its rift lake.

View full profile

Photo: Jmatz at English Wikipedia ( Original text: Julian Matz ( talk ) ), CC BY-SA 3.0

Balzanii

Balzanii ≈

Cichlids · GymnogeophagusLC

Paraná-Paraguay and lower Uruguay basins (Brazil, Paraguay, Argentina, Uruguay)

Balzanii

Gymnogeophagus balzanii

Paraná-Paraguay and lower Uruguay basins (Brazil, Paraguay, Argentina, Uruguay) · river

Temperature
21–25°C
pH
6.5–7.5
Adult size
8 in · 20 cm
Flow
Calm
Swims
Bottom
Temperament
Territorial
Diet
Omnivore
Group
3+
Status in the wild
Least concern
View full profile

Photo: CHUCAO, CC BY-SA 3.0

Guppy

Guppy ≈

Livebearers · PoeciliaStaple

Long fins. Fin nippers will pick on it.

Trinidad and northern Venezuela

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.

View full profile

Photo: Holger Krisp, CC BY 3.0

Showing 80 of 542