THE FRESHWATER FIELD GUIDE
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474 species found
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Fish · beginner
Ember tetra
Hyphessobrycon amandae
- Size
- 2.54 cm
- Temp
- 22.0–29.0°C
- pH
- 5.0–7.5
- From
- Brazil
Fish · intermediate
Emerald betta
Betta smaragdina
- Size
- 8.00 cm
- Temp
- 22.0–30.0°C
- pH
- 5.5–7.6
- From
- Southeast Asia
Fish · beginner
Emerald corydoras
Brochis splendens
- Size
- 8.00 cm
- Temp
- 20.0–28.0°C
- pH
- 5.0–8.0
- From
- Amazon River basin
Fish · beginner
Emperor tetra
Nematobrycon palmeri
- Size
- 7.62 cm
- Temp
- 22.0–27.0°C
- pH
- 5.0–7.8
- From
- Colombia and Brazil
Fish · beginner
Endler's livebearer
Poecilia wingei
- Size
- 5.10 cm
- Temp
- 18.0–28.0°C
- pH
- 5.5–8.5
- From
- Venezuela
Fish · beginner
Exclamation-point rasbora
Boraras urophthalmoides
- Size
- 2.54 cm
- Temp
- 21.0–28.0°C
- pH
- 5.5–8.3
- From
- Southeast Asia
Fish · intermediate
False rummy-nose tetra
Petitella georgiae
- Size
- 6.35 cm
- Temp
- 22.0–28.0°C
- pH
- 5.5–7.5
- From
- Amazon Basin
Fish · intermediate
Featherfin catfish
Synodontis eupterus
- Size
- 30.00 cm
- Temp
- 22.0–29.0°C
- pH
- 6.0–8.5
- From
- Zaire, Chad, Cameroon
Fish · beginner
Filament barb
Dawkinsia filamentosa
- Size
- 15.20 cm
- Temp
- 18.0–26.1°C
- pH
- 6.0–8.0
- From
- South Asia
Fish · beginner
Firemouth cichlid
Thorichthys meeki
- Size
- 18.00 cm
- Temp
- 21.1–30.0°C
- pH
- 6.0–8.2
- From
- Central America
Fish · beginner
Five-banded barb
Puntigrus partipentazona
- Size
- 5.00 cm
- Temp
- 22.0–26.7°C
- pH
- 4.0–7.5
- From
- Southeast Asia
Fish · beginner
Flag acara
Laetacara curviceps
- Size
- 10.00 cm
- Temp
- 22.0–28.0°C
- pH
- 5.5–7.8
- From
- Amazon River Basin
Fish · intermediate
Flag cichlid
Mesonauta festivus
- Size
- 20.00 cm
- Temp
- 22.0–28.0°C
- pH
- 6.0–7.5
- From
- Amazon River Basin
Fish · intermediate
Flagtail catfish
Dianema urostriatum
- Size
- 20.00 cm
- Temp
- 22.0–37.8°C
- pH
- 6.0–7.5
- From
- Amazon Basin
Fish · beginner
Flame tetra
Hyphessobrycon flammeus
- Size
- 5.00 cm
- Temp
- 18.0–29.0°C
- pH
- 5.5–7.8
- From
- Southeastern Brazil
Fish · intermediate
Foersch's betta
Betta foerschi
- Size
- 7.00 cm
- Temp
- 22.0–28.0°C
- pH
- 4.0–6.0
- From
- Southeast Asia
Fish · beginner
Forktail blue-eye
Pseudomugil furcatus
- Size
- 7.00 cm
- Temp
- 20.0–28.0°C
- pH
- 6.0–8.5
- From
- Oceania
Fish · intermediate
Freshwater angelfish
Pterophyllum scalare
- Size
- 20.00 cm
- Temp
- 25.0–28.9°C
- pH
- 6.2–7.8
- From
- Amazon and Orinoco river basins
Fish · intermediate
Frontosa
Cyphotilapia frontosa
- Size
- 38.00 cm
- Temp
- 22.0–28.0°C
- pH
- 7.8–9.0
- From
- Lake Tanganyika
Fish · beginner
Gardner's killifish
Fundulopanchax gardneri
- Size
- 15.24 cm
- Temp
- 20.0–28.0°C
- pH
- 6.0–8.0
- From
- West Africa
Fish · expert
German blue ram
Mikrogeophagus ramirezi
- Size
- 7.00 cm
- Temp
- 22.2–30.0°C
- pH
- 4.0–7.4
- From
- Amazon Basin
Fish · intermediate
Giant betta
Betta anabatoides
- Size
- 25.00 cm
- Temp
- 24.0–30.0°C
- pH
- 4.5–7.5
- From
- Southeast Asia
Fish · beginner
Giant brochis
Brochis multiradiatus
- Size
- 10.00 cm
- Temp
- 22.0–28.0°C
- pH
- 6.0–8.0
- From
- Amazon Basin
Fish · beginner
Giant danio
Devario aequipinnatus
- Size
- 6.50 cm
- Temp
- 18.0–26.0°C
- pH
- 6.5–7.5
- From
- South and Southeast Asia