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Species profile

Gold Tuxedo Lyretail Molly

Poecilia Sphenops var. "Gold Tuxedo Lyretail"

Common names: Gold Tuxedo Lyretail Molly, Mexican Molly, Molly, Black Mollie

Pattern varietyLivebearers
Gold Tuxedo Lyretail Molly (Poecilia Sphenops var. "Gold Tuxedo Lyretail")

Adult size

Up to 8 cm

Up to 8 cm

Countries of origin

  • See all stock from El Salvador
  • See all stock from Honduras
  • See all stock from Mexico
  • See all stock from Nicaragua

Good fit for your tank?

Good fit for

  • A peaceful community tank with similar-sized fish

Think carefully if

  • Your water is soft and acidic, which often causes poor health in livebearers
  • You keep shrimp you want to protect

A gold and dark tuxedo molly with long upper and lower tail tips, shaped like a lyre. Keep a group of at least 3 in 81 litres or more.

Appearance and Identification

A gold and dark tuxedo molly with long upper and lower tail tips, shaped like a lyre. It needs hard, alkaline water.

Check the scientific name when buying, as common names vary between sellers and countries.

Males have a gonopodium, which is a modified anal fin used for mating. Females are larger and rounder.

Tank Requirements

Suggested filter
About 320–410 litres an hour
Suggested heater
About 75–125 W for this tank
Minimum tank volume
81 litres
Minimum tank length
90 cm
Minimum group size
3
Recommended group size
6
Activity level
Active
Flow preference
Low to moderate
Planting preference
Heavily planted
Lid recommended
Yes
Jumping risk
Moderate

Provide dense plants or floating cover for fry and for females that want a rest from males, and keep the water hard and alkaline.

Behaviour and Tankmates

Active, hardy and always on the move, with males displaying to females.

Keep a group, with two or three females for every male.

Not territorial, although some males chase each other.

Suits a peaceful community that likes hard water. Avoid fin nippers. Adults may eat shrimplets. It is likely to eat shrimp.

Check tankmates for this species

Water Parameters

Temperature
21–28 °C
pH
7–8.5
GH
15–30
Stability importance
Important

Fairly tolerant of different water, if it is clean and stable.

Parameter caveat
Keep up regular water changes, and acclimatise new fish slowly.

Feeding

Diet types
Omnivore
Feeding frequency
Daily
Preferred foods
  • Flake with vegetable contentA good staple for these grazing fish.
  • Frozen or live daphnia and brine shrimpOffer a few times a week.
  • AlgaeThey graze on it throughout the day, and it is good for them.

An omnivore with a strong need for plant matter, and it spends much of the day grazing algae.

Feed small amounts, and remove anything left after a few minutes.

Breeding

Breeding type
Livebearer
Breeding difficulty
Easy
Parental care
None
Baby foods
  • Crushed flake or powdered fry foodFry can eat this from birth.
  • Newly hatched brine shrimpSpeeds up growth in the first weeks.

Gives birth to live young, with no special setup needed. Adults may eat fry, so provide dense plants or move a heavily pregnant female to a separate, planted tank.

Habitat and Origin

Geographic origin
Captive Bred, Central America, El Salvador, Honduras, Mexico, Nicaragua
Natural habitat
River
Aquarium contexts
Planted Aquarium
Audience level
Beginner

Classification

Profile type
Pattern variety
Genus
Poecilia
Family
Poeciliidae
Species group
Fish, Livebearers, Mollies

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