Types of livebearers

11 livebearers compared at one scale: adult size, the tank they need, temperature and group size.

Guppy

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

Guppy

Peaceful · Top · easy care

2.8 in adult
10+ gal
72–82 °F
pH 7 to 8
groups of 3+

Platy

Peaceful · Middle · easy care

2.5 in adult
10+ gal
70–80 °F
pH 7 to 8.2
groups of 3+

Molly

Peaceful · Middle · easy care

3.9 in adult
29+ gal
72–82 °F
pH 7.5 to 8.5
groups of 3+

Endler's livebearer

Peaceful · Top · easy care

1.8 in adult
10+ gal
72–82 °F
pH 7 to 8
groups of 3+

Swordtail

Peaceful · Middle · easy care

5.5 in adult
29+ gal
72–82 °F
pH 7 to 8.4
groups of 3+

Black-barred limia

Peaceful · Middle · moderate care

2 in adult
20+ gal
75–79 °F
pH 7 to 8.5
groups of 5+

Butterfly goodeid

Semi-aggressive · Middle · easy care

4 in adult
30+ gal
70–75 °F
pH 7 to 8
groups of 6+

Least killifish

Peaceful · Middle · easy care

1.2 in adult
5+ gal
64–80 °F
pH 7 to 8
groups of 6+

Sailfin molly

Peaceful · Middle · easy care

5.9 in adult
30+ gal
72–82 °F
pH 7.5 to 8.5
groups of 3+

Variatus platy

Peaceful · Middle · easy care

2.8 in adult
15+ gal
61–75 °F
pH 7 to 8.2
groups of 3+

Wrestling halfbeak

Peaceful · Top · moderate care

2.8 in adult
20+ gal
72–82 °F
pH 6.5 to 8
groups of 3+

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 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 Types of shrimp, snails, frogs and axolotls 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. 11 of these 11 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.

Guppy Marrabbio2, CC BY-SA 3.0, via Wikimedia Commons
Platy Monika Korzeniec, CC BY-SA 3.0, via Wikimedia Commons
Molly LPA74, CC BY-SA 4.0, via Wikimedia Commons
Endler's livebearer Dgrummon, CC BY-SA 4.0, via Wikimedia Commons
Swordtail Usien, CC0, via Wikimedia Commons
Black-barred limia Janet Cremetti, CC BY-SA 2.0, via Wikimedia Commons
Butterfly goodeid Przemysław Malkowski, CC BY-SA 3.0, via Wikimedia Commons
Least killifish Brian Gratwicke, CC BY 2.0, via Wikimedia Commons
Sailfin molly Nick Tobler (iNaturalist), CC BY 4.0, via Wikimedia Commons
Variatus platy Marrabbio2, CC BY-SA 3.0, via Wikimedia Commons
Wrestling halfbeak Ahsan_al_hidayat, CC BY-SA 3.0, via Wikimedia Commons