THE FRESHWATER FIELD GUIDE
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474 species found
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Fish · intermediate
Round-tailed paradise fish
Macropodus ocellatus
- Size
- 90.00 cm
- Temp
- 10.0–27.0°C
- pH
- 6.0–7.8
- From
- Northeast Asia
Fish · beginner
Royal whiptail
Sturisoma panamense
- Size
- 25.00 cm
- Temp
- 20.0–28.0°C
- pH
- 6.5–7.5
- From
- Central and South America
Fish
Rubberlip pleco
Chaetostoma formosae
- Size
- 15.00 cm
- Temp
- 21.1–26.1°C
- pH
- 6.5–8.0
- From
- (Native region not provided)
Fish · beginner
Rummy-nose tetra
Hemigrammus rhodostomus
- Size
- 8.00 cm
- Temp
- 18.0–29.0°C
- pH
- 5.5–7.5
- From
- Amazon Basin
Fish · intermediate
Saddle pleco
Peckoltia vittata
- Size
- 12.00 cm
- Temp
- 24.0–28.0°C
- pH
- 6.0–7.5
- From
- South America
Fish · beginner
Sailfin molly
Poecilia latipinna
- Size
- 15.00 cm
- Temp
- 22.0–28.0°C
- pH
- 7.0–8.5
- From
- North, Central and South America
Fish · beginner
Salt-and-pepper corydoras
Corydoras habrosus
- Size
- 5.00 cm
- Temp
- 21.0–26.0°C
- pH
- 5.5–7.5
- From
- Venezuela and Colombia
Fish · intermediate
Saulosi cichlid
Pseudotropheus saulosi
- Size
- 9.00 cm
- Temp
- 24.0–30.0°C
- pH
- 7.5–8.6
- From
- Lake Malawi
Fish · beginner
Scarlet badis
Dario dario
- Size
- 2.54 cm
- Temp
- 18.1–26.1°C
- pH
- 6.0–8.5
- From
- South Asia
Fish · intermediate
Schwartz's corydoras
Corydoras schwartzi
- Size
- 8.00 cm
- Temp
- 22.0–26.0°C
- pH
- 6.0–7.5
- From
- Amazon Basin
Fish · beginner
Scissortail rasbora
Rasbora trilineata
- Size
- 12.70 cm
- Temp
- 23.3–27.8°C
- pH
- 6.0–8.0
- From
- Southeast Asia
Fish · intermediate
Senegal bichir
Polypterus senegalus
- Size
- 75.00 cm
- Temp
- 25.0–29.0°C
- pH
- 6.0–8.0
- From
- Nile River Basin
Fish · intermediate
Serpae tetra
Hyphessobrycon eques
- Size
- 5.00 cm
- Temp
- 22.0–28.0°C
- pH
- 5.0–7.5
- From
- Amazon River Basin
Fish · intermediate
Severum
Heros efasciatus
- Size
- 25.40 cm
- Temp
- 22.2–28.0°C
- pH
- 5.5–7.0
- From
- Amazon Basin
Fish · beginner
Siamese algae eater
Crossocheilus oblongus
- Size
- 16.00 cm
- Temp
- 20.0–26.0°C
- pH
- 6.0–7.5
- From
- Southeast Asia
Fish · beginner
Siamese fighting fish
Betta splendens
- Size
- 10.00 cm
- Temp
- 23.0–33.0°C
- pH
- 5.5–7.5
- From
- Southeast Asia
Fish · beginner
Siamese oriental betta
Betta siamorientalis
- Size
- 7.62 cm
- Temp
- 22.0–28.0°C
- pH
- 5.5–8.0
- From
- Southeast Asia
Fish · intermediate
Silver dollar
Metynnis hypsauchen
- Size
- 15.00 cm
- Temp
- 24.0–28.0°C
- pH
- 6.0–7.5
- From
- Amazon Basin
Fish · intermediate
Silver hatchetfish
Thoracocharax stellatus
- Size
- 100.00 cm
- Temp
- 22.0–30.0°C
- pH
- 5.5–7.0
- From
- Amazon River Basin
Fish · beginner
Silver-tip tetra
Hasemania nana
- Size
- 5.00 cm
- Temp
- 22.0–28.0°C
- pH
- 5.5–8.2
- From
- Brazil
Fish · intermediate
Skunk loach
Yasuhikotakia morleti
- Size
- 10.16 cm
- Temp
- 22.0–28.0°C
- pH
- 6.0–8.0
- From
- Southeast Asia
Fish · intermediate
Slim betta
Betta bellica
- Size
- 10.00 cm
- Temp
- 24.0–30.0°C
- pH
- 6.5–7.5
- From
- Southeast Asia
Fish · intermediate
Snakehead betta
Betta channoides
- Size
- 8.00 cm
- Temp
- 24.0–28.0°C
- pH
- 4.0–6.5
- From
- Southeast Asia
Fish · beginner
Southern platyfish
Xiphophorus maculatus
- Size
- 6.00 cm
- Temp
- 18.0–25.0°C
- pH
- 7.0–8.0
- From
- Central America