Dalmatian Lyretail Molly (Poecilia latipinna)

Family: Poeciliidae

Dalmatian Lyretail Molly — a Poeciliidae from N America, introduced widely, peaceful, hardy and constantly reproducing. Reaches 11.2–16.5 cm; one male to two or three females spreads the attention. 20–28 °C.

Care parameters

Water temperature
20–28 °C
pH
7.5–8.2
GH hardness
11–30 dGH
Adult length
11.2–16.5 cm
Minimum tank
327 L
Water layer
Middle of the water column
Difficulty
Moderate
Temperament
Peaceful, hardy and constantly reproducing
Origin
N America, introduced widely

Species overview

Poecilia latipinna is a Poeciliidae from N America, introduced widely. In the wild it prefers warm freshwater streams and lakes; in the aquarium it stays peaceful, hardy and constantly reproducing. Plan on 11.2–16.5 cm of adult fish at 20–28 °C. Related profiles: Poecilia reticulata, Poecilia sphenops, Poecilia wingei.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
One male to two or three females spreads the attention
Diet
Omnivorous surface-picker; varied diet keeps colour bright
Recommended tankmates
  • Other peaceful community fish — Ignore the endless fry
Avoid keeping with
  • Fin-nippers — Constant harassment exhausts females

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Gives birth to free-swimming fry; dense plants raise survival

Frequently asked questions

Is Dalmatian Lyretail Molly easy to keep?

Difficulty: moderate. Peaceful, hardy and constantly reproducing. One male to two or three females spreads the attention.

What temperature and water chemistry does Dalmatian Lyretail Molly need?

Aim for 20–28 °C. Stable temperature matching the species origin; 20–28 °C recorded range.

How big does Dalmatian Lyretail Molly get, and what tank size?

Adults reach 11.2–16.5 cm; it is middle of the water column. Plan for at least 327 litres.

What does Dalmatian Lyretail Molly eat?

Omnivorous surface-picker; varied diet keeps colour bright. It forages naturally over fine sand and gravel, so let some food reach the bottom.

Can Dalmatian Lyretail Molly live with other fish?

Yes, with care. Peaceful, hardy and constantly reproducing — pair it with Other peaceful community fish — Ignore the endless fry and skip Fin-nippers — Constant harassment exhausts females.

Where does Dalmatian Lyretail Molly come from?

Its home waters are N America, introduced widely — warm freshwater streams and lakes, with still to gentle current.

Does Dalmatian Lyretail Molly jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Dalmatian Lyretail Molly breed?

Gives birth to free-swimming fry; dense plants raise survival. Subtle external differences.