Types of shrimp, snails, frogs and axolotls

20 shrimp, snails, frogs and axolotls compared at one scale: adult size, the tank they need, temperature and group size.

Cherry shrimp

Scroll sideways to see them all. All drawn at one scale, adult size: = 1 inch. Tap one to open its care page.

Cherry shrimp

Peaceful · Bottom · easy care

1.6 in adult
5+ gal
65–82 °F
pH 6.5 to 8
groups of 10+

Amano shrimp

Peaceful · Bottom · easy care

2 in adult
10+ gal
68–80 °F
pH 6.5 to 7.5
groups of 3+

Zebra nerite snail

Peaceful · Bottom · easy care

1 in adult
5+ gal
70–80 °F
pH 7 to 8.5
alone or pair

Mystery snail

Peaceful · Bottom · easy care

2 in adult
10+ gal
68–82 °F
pH 7 to 8
alone or pair

African dwarf frog

Peaceful · All levels · moderate care

1.5 in adult
10+ gal
75–82 °F
pH 6.5 to 8
groups of 2+

Assassin snail

Peaceful · Bottom · easy care

1 in adult
5+ gal
72–80 °F
pH 7 to 8
alone or pair

Axolotl

Peaceful · Bottom · moderate care

9 in adult
20+ gal
60–68 °F
pH 6.5 to 8
alone or pair

Bamboo shrimp

Peaceful · Bottom · moderate care

3 in adult
20+ gal
72–82 °F
pH 6.5 to 7.5
alone or pair

Bladder snail

Peaceful · Bottom · easy care

0.6 in adult
5+ gal
64–82 °F
pH 7 to 8.5
alone or pair

Crystal red shrimp

Peaceful · Bottom · demanding care

1.2 in adult
10+ gal
62–76 °F
pH 5.8 to 7.4
groups of 10+

Dwarf orange crayfish

Semi-aggressive · Bottom · easy care

2 in adult
10+ gal
60–77 °F
pH 7 to 8
alone or pair

Electric blue crayfish

Aggressive · Bottom · easy care

5 in adult
20+ gal
65–78 °F
pH 7 to 8
one per tank

Ghost shrimp

Peaceful · Bottom · easy care

2 in adult
5+ gal
65–80 °F
pH 7 to 8
groups of 3+

Horned nerite snail

Peaceful · Bottom · easy care

0.5 in adult
5+ gal
72–80 °F
pH 7 to 8.5
alone or pair

Japanese trapdoor snail

Peaceful · Bottom · easy care

2 in adult
10+ gal
60–80 °F
pH 7 to 8
alone or pair

Malaysian trumpet snail

Peaceful · Bottom · easy care

1.2 in adult
5+ gal
64–86 °F
pH 7 to 8
alone or pair

Rabbit snail

Peaceful · Bottom · moderate care

3 in adult
20+ gal
76–84 °F
pH 7.3 to 8.5
alone or pair

Ramshorn snail

Peaceful · Bottom · easy care

1 in adult
5+ gal
64–82 °F
pH 7 to 8
alone or pair

Thai micro crab

Peaceful · Bottom · moderate care

1 in adult
5+ gal
70–82 °F
pH 6.5 to 7.3
groups of 3+

Vampire shrimp

Peaceful · Bottom · moderate care

6 in adult
29+ gal
74–84 °F
pH 6.5 to 7.8
alone or pair

Other fish families

Types of plecos Types of aquarium shrimp Types of aquarium snails Types of tetras Types of rasboras and danios Types of barbs Types of livebearers Types of bettas and gouramis Types of cichlids Types of catfish Types of loaches Types of freshwater sharks Types of rainbowfish Types of killifish Types of puffers Types of goldfish Types of oddball fish All fish

Names, and adult sizes where the article gives one, are checked against Wikipedia; care ranges are common hobby guidance, and each species page says which is which. 0 of these 20 are fish. Photos are real photographs from Wikimedia Commons, credited below; the lineup is our own drawing at one scale.

Photo credits

Real photographs from Wikimedia Commons, resized and cropped to fit; each is used under the license named.

Cherry shrimp TheJammingYam, CC BY-SA 3.0, via Wikimedia Commons
Amano shrimp Stefanie Leuker, CC0, via Wikimedia Commons
Zebra nerite snail TheJammingYam, CC BY-SA 3.0, via Wikimedia Commons
Mystery snail Gabriel Resende Veiga, CC BY-SA 4.0, via Wikimedia Commons
African dwarf frog Stuart Halliday, CC BY 3.0, via Wikimedia Commons
Assassin snail Steffi Klee, CC BY-SA 3.0, via Wikimedia Commons
Axolotl LoKiLeCh, CC BY-SA 3.0, via Wikimedia Commons
Bamboo shrimp Faucon, CC BY-SA 2.5, via Wikimedia Commons
Bladder snail Dat doris, CC BY-SA 4.0, via Wikimedia Commons
Crystal red shrimp DirkBlankenhaus, CC BY-SA 3.0, via Wikimedia Commons
Dwarf orange crayfish HellSpawn754, CC0, via Wikimedia Commons
Electric blue crayfish Dirk Rohlfs, Public domain, via Wikimedia Commons
Ghost shrimp Smithsonian Environmental Research Center, CC BY 2.0, via Wikimedia Commons
Horned nerite snail Obsidian Soul, CC0, via Wikimedia Commons
Japanese trapdoor snail Judy Gallagher, CC BY 2.0, via Wikimedia Commons
Malaysian trumpet snail Buchling, CC BY-SA 3.0, via Wikimedia Commons
Ramshorn snail Dat doris, CC BY-SA 4.0, via Wikimedia Commons
Thai micro crab Sean Murray, CC BY-SA 2.0, via Wikimedia Commons
Vampire shrimp Ray eye, CC BY-SA 3.0, via Wikimedia Commons