Beginner freshwater fish: N

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

4 species and 3 varieties

• 

  Napo cory

  Gastrodermus napoensis

  Freshwater
  2 in (5 cm) · 16 gal (60 L)72–79°F (22–26°C)

• 

  Neon tetra

  Paracheirodon innesi

  Freshwater
  1.5 in (3.8 cm) · 11 gal (40 L)70–77°F (21–25°C)3 varieties

• 

  New Guinea rainbowfish

  Melanotaenia affinis

  Freshwater
  4.7 in (12 cm) · 30 gal (115 L)68–86°F (20–30°C)

• 

  Northern mountain swordtail

  Xiphophorus nezahualcoyotl

  Freshwater
  3.5 in (9 cm) · 29 gal (110 L)68–79°F (20–26°C)