THE FRESHWATER FIELD GUIDE
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Search the full catalog of fish, plants, and invertebrates.
331 species found
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Fish
Hancock's catfish
Amblydoras hancockii
Fish · intermediate
Harlequin rasbora
Trigonostigma heteromorpha
- Size
- 5.00 cm
- Temp
- 22.0–26.0°C
- pH
- 5.0–7.0
- From
- Southeast Asia
Fish · beginner
Head-and-tail-light tetra
Hemigrammus ocellifer
- Size
- 6.00 cm
- Temp
- 22.0–27.0°C
- pH
- 5.0–7.5
- From
- Amazon Basin
Fish · intermediate
Hendra's betta
Betta hendra
- Size
- 7.62 cm
- Temp
- 23.3–28.0°C
- pH
- 4.0–7.8
- From
- Southeast Asia
Fish · beginner
Honey gourami
Trichogaster chuna
- Size
- 5.50 cm
- Temp
- 22.0–28.0°C
- pH
- 6.0–8.0
- From
- South Asia
Fish · beginner
Hoplo catfish
Megalechis thoracata
- Size
- 20.00 cm
- Temp
- 18.0–28.0°C
- pH
- 6.0–8.0
- From
- Amazon and Orinoco basins
Fish · beginner
Horseshoe betta
Betta hipposideros
- Size
- 9.00 cm
- Temp
- 22.0–28.0°C
- pH
- 3.5–7.5
- From
- Southeast Asia
Fish · beginner
Howong betta
Betta unimaculata
- Size
- 12.60 cm
- Temp
- 21.0–30.0°C
- pH
- 6.0–8.0
- From
- Southeast Asia
Fish · intermediate
Humphead limia
Limia nigrofasciata
- Size
- 7.62 cm
- Temp
- 20.0–27.0°C
- pH
- 6.0–7.5
- From
- Caribbean
Fish · beginner
Iban betta
Betta ibanorum
- Size
- 14.00 cm
- Temp
- 21.0–30.0°C
- pH
- 4.0–8.0
- From
- Southeast Asia
Fish · intermediate
Indian glassfish
Parambassis ranga
- Size
- 15.00 cm
- Temp
- 20.0–30.0°C
- pH
- 6.5–8.0
- From
- South Asia
Fish · intermediate
Indonesian betta
Betta raja
- Size
- 7.00 cm
- Temp
- 24.0–30.0°C
- pH
- 6.0–8.0
- From
- Southeast Asia
Fish · intermediate
Jack Dempsey
Rocio octofasciata
- Size
- 25.40 cm
- Temp
- 22.0–30.0°C
- pH
- 6.5–8.0
- From
- Central America
Fish · intermediate
Java fighting fish
Betta picta
- Size
- 10.00 cm
- Temp
- 24.0–30.0°C
- pH
- 5.0–9.0
- From
- Southeast Asia
Fish · intermediate
Java loach
Pangio oblonga
- Size
- 12.70 cm
- Temp
- 21.0–30.0°C
- pH
- 5.5–7.5
- From
- Southeast Asia
Fish · intermediate
Johannii cichlid
Melanochromis johannii
- Size
- 20.00 cm
- Temp
- 23.0–29.0°C
- pH
- 7.0–8.5
- From
- Lake Malawi
Fish · beginner
Julii corydoras
Corydoras julii
- Size
- 7.60 cm
- Temp
- 22.0–28.0°C
- pH
- 6.5–7.8
- From
- Amazon Basin
Fish · advanced
Kenyi cichlid
Maylandia lombardoi
- Size
- 15.20 cm
- Temp
- 21.0–28.0°C
- pH
- 7.5–8.6
- From
- Lake Malawi
Fish · beginner
Keyhole cichlid
Cleithracara maronii
- Size
- 12.70 cm
- Temp
- 20.0–28.0°C
- pH
- 5.0–7.5
- From
- Trinidad, Tobago, Venezuela, Guyana, Suriname, French Guiana
Fish · intermediate
Kissing gourami
Helostoma temminckii
- Size
- 30.00 cm
- Temp
- 22.0–28.0°C
- pH
- 6.0–8.6
- From
- Southeast Asia
Fish · intermediate
Krabi betta
Betta simplex
- Size
- 10.00 cm
- Temp
- 22.0–29.0°C
- pH
- 5.5–8.5
- From
- Southeast Asia
Fish · beginner
Kribensis
Pelvicachromis pulcher
- Size
- 10.00 cm
- Temp
- 24.0–28.0°C
- pH
- 6.0–8.0
- From
- West Africa
Fish · beginner
Kuhli loach
Pangio kuhlii
- Size
- 11.00 cm
- Temp
- 23.0–30.0°C
- pH
- 6.0–8.0
- From
- Southeast Asia
Fish · beginner
Lambchop rasbora
Trigonostigma espei
- Size
- 5.08 cm
- Temp
- 22.0–28.0°C
- pH
- 5.5–7.5
- From
- Southeast Asia