Beginner freshwater fish: G

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

25 species and 15 varieties

• 

  Garnet tetra

  Hemigrammus pulcher

  Freshwater
  1.8 in (4.5 cm) · 20 gal (75 L)73–82°F (23–28°C)

• 

  Giant kuhli loach

  Pangio myersi

  Freshwater
  3.9 in (10 cm) · 20 gal (75 L)72–82°F (22–28°C)

• 

  Gill's molly

  Poecilia gillii

  Freshwater·Brackish
  3.9 in (10 cm) · 26 gal (100 L)72–86°F (22–30°C)

• 

  Glass bloodfin tetra

  Prionobrama filigera

  Freshwater
  2.4 in (6 cm) · 20 gal (75 L)73–81°F (23–27°C)

• 

  Glass catfish

  Kryptopterus vitreolus

  Freshwater
  2.8 in (7 cm) · 30 gal (115 L)70–79°F (21–26°C)

• 

  Glass tetra

  Moenkhausia oligolepis

  Freshwater
  2 in (5 cm) · 18 gal (70 L)75–82°F (24–28°C)

• 

  Glowlight danio

  Danio choprae

  Freshwater
  1.2 in (3 cm) · 20 gal (75 L)72–79°F (22–26°C)

• 

  Glowlight rasbora

  Trigonostigma hengeli

  Freshwater
  1.6 in (4 cm) · 12 gal (45 L)73–82°F (23–28°C)

• 

  Glowlight tetra

  Hemigrammus erythrozonus

  Freshwater
  1.6 in (4 cm) · 18 gal (70 L)75–82°F (24–28°C)

• 

  Gold barb

  Barbodes semifasciolatus

  Freshwater
  2.8 in (7 cm) · 20 gal (75 L)64–75°F (18–24°C)

• 

  Gold ocellatus shell dweller

  Lamprologus ocellatus

  Freshwater
  2.4 in (6 cm) · 11 gal (40 L)75–81°F (24–27°C)

• 

  Gold ring danio

  Danio tinwini

  Freshwater
  1.2 in (3 cm) · 11 gal (40 L)64–79°F (18–26°C)

• 

  Golden dwarf barb

  Pethia gelius

  Freshwater
  1.6 in (4 cm) · 20 gal (75 L)64–75°F (18–24°C)

• 

  Golden dwarf cichlid

  Nannacara anomala

  Freshwater
  3.1 in (8 cm) · 16 gal (60 L)72–82°F (22–28°C)

• 

  Golden lyretail killifish

  Aphyosemion australe

  Freshwater
  2.4 in (6 cm) · 10 gal (38 L)70–75°F (21–24°C)

• 

  Golden topminnow

  Fundulus chrysotus

  Freshwater
  3 in (7.5 cm) · 22 gal (85 L)59–75°F (15–24°C)

• 

  Gossei cory

  Hoplisoma gossei

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

• 

  Green fire tetra

  Aphyocharax rathbuni

  Freshwater
  2 in (5 cm) · 20 gal (75 L)72–79°F (22–26°C)

• 

  Green neon rasbora

  Microdevario kubotai

  Freshwater
  0.8 in (2 cm) · 12 gal (45 L)72–79°F (22–26°C)

• 

  Green neon tetra

  Paracheirodon simulans

  Freshwater
  1 in (2.5 cm) · 15 gal (55 L)72–86°F (22–30°C)

• 

  Green panchax

  Aplocheilus blockii

  Freshwater
  2 in (5 cm) · 11 gal (40 L)72–82°F (22–28°C)

• 

  Green swordtail

  Xiphophorus hellerii

  Freshwater
  5.9 in (15 cm) · 24 gal (90 L)68–82°F (20–28°C)6 varieties

• 

  Guapore cory

  Gastrodermus guapore

  Freshwater
  2 in (5 cm) · 16 gal (60 L)72–82°F (22–28°C)

• 

  Guntea loach

  Lepidocephalichthys guntea

  Freshwater
  4.7 in (12 cm) · 24 gal (90 L)64–82°F (18–28°C)

• 

  Guppy

  Poecilia reticulata

  Freshwater·Brackish
  2.4 in (6 cm) · 13 gal (50 L)64–82°F (18–28°C)9 varieties