Beginner freshwater fish: R

All beginner freshwater fish whose common name starts with R, in alphabetical order. Each card links to its care guide.

25 species and 1 variety

• 

  Rakhine danio

  Devario xyrops

  Freshwater
  3.7 in (9.5 cm) · 29 gal (110 L)68–79°F (20–26°C)

• 

  Red eye tetra

  Moenkhausia sanctaefilomenae

  Freshwater
  2.8 in (7 cm) · 28 gal (105 L)72–79°F (22–26°C)

• 

  Red flush tetra

  Hemigrammus stictus

  Freshwater
  2 in (5 cm) · 20 gal (75 L)73–82°F (23–28°C)

• 

  Red phantom tetra

  Hyphessobrycon sweglesi

  Freshwater
  1.6 in (4 cm) · 15 gal (55 L)72–82°F (22–28°C)

• 

  Red-chinned panchax

  Epiplatys dageti

  Freshwater
  1.8 in (4.5 cm) · 20 gal (75 L)70–75°F (21–24°C)

• 

  Red-seam killifish

  Aphyosemion calliurum

  Freshwater
  2.2 in (5.5 cm) · 20 gal (75 L)75–82°F (24–28°C)

• 

  Red-striped killifish

  Aphyosemion striatum

  Freshwater
  2 in (5 cm) · 11 gal (40 L)70–77°F (21–25°C)

• 

  Red-striped rasbora

  Trigonopoma pauciperforatum

  Freshwater
  2.8 in (7 cm) · 22 gal (85 L)72–79°F (22–26°C)

• 

  Red-tailed rasbora

  Rasbora borapetensis

  Freshwater
  2.4 in (6 cm) · 18 gal (70 L)72–79°F (22–26°C)

• 

  Redback paradisefish

  Macropodus erythropterus

  Freshwater
  3.1 in (8 cm) · 20 gal (75 L)68–86°F (20–30°C)

• 

  Redback rasbora

  Rasbora rubrodorsalis

  Freshwater
  1.6 in (4 cm) · 14 gal (54 L)72–81°F (22–27°C)

• 

  Redbreast acara

  Laetacara dorsigera

  Freshwater
  2.8 in (7 cm) · 20 gal (75 L)72–81°F (22–27°C)

• 

  Redlip barb

  Pethia erythromycter

  Freshwater
  1.6 in (4 cm) · 14 gal (54 L)72–79°F (22–26°C)

• 

  Redtail splitfin

  Xenotoca eiseni

  Freshwater
  2.8 in (7 cm) · 20 gal (75 L)64–82°F (18–28°C)

• 

  Reticulated cory

  Brochis reticulata

  Freshwater
  2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)

• 

  Rose danio

  Danio roseus

  Freshwater
  1.8 in (4.6 cm) · 20 gal (75 L)70–79°F (21–26°C)

• 

  Rosy barb

  Pethia conchonius

  Freshwater
  2.8 in (7 cm) · 24 gal (90 L)61–75°F (16–24°C)1 variety

• 

  Rosy bitterling

  Rhodeus ocellatus

  Freshwater
  3.1 in (8 cm) · 21 gal (80 L)64–75°F (18–24°C)

• 

  Rosy loach

  Petruichthys sp. 'rosy'

  Freshwater
  1.2 in (3 cm) · 14 gal (54 L)68–79°F (20–26°C)

• 

  Rosy tetra

  Hyphessobrycon rosaceus

  Freshwater
  1.6 in (4 cm) · 15 gal (55 L)75–82°F (24–28°C)

• 

  Round-tail paradise fish

  Macropodus ocellatus

  Freshwater
  3.1 in (8 cm) · 20 gal (75 L)61–75°F (16–24°C)

• 

  Royal tetra

  Inpaichthys kerri

  Freshwater
  1.4 in (3.5 cm) · 15 gal (55 L)75–81°F (24–27°C)

• 

  Rummy-nose tetra

  Hemigrammus rhodostomus

  Freshwater
  2 in (5 cm) · 20 gal (75 L)75–81°F (24–27°C)

• 

  Rust cory

  Osteogaster rabauti

  Freshwater
  2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)

• 

  Rusty cichlid

  Iodotropheus sprengerae

  Freshwater
  3.9 in (10 cm) · 24 gal (90 L)77–84°F (25–29°C)