Poeciliidae

Blackbelly Limia

Limia melanogaster

Limia melanogaster, known as the Blackbelly Limia, belongs to the family Poeciliidae. These fish are characterized by their undemanding nature, successful breeding, and good compatibility with various tank mates. Such qualities make them an excellent choice for those just starting their journey in aquaristics. Perhaps the only thing that could be considered a drawback is their not-so-vibrant coloration.

Tank
from 40 L (11 gal)
Temperature
22 – 28 °C (72 – 82 °F)
Size in aquarium
5 cm (2 in)
Acidity
pH 7–8.5
Natural rangeRange on the map
  • Caribbean Sea area
  • Haiti
  • Jamaica

Tank conditions

Plan the tank stocking
Temperature
22 – 28 °C (72 – 82 °F)
Water pH
Neutral (7) – Slightly alkaline (8.5)
Water dH
Very hard (20) – Very hard (30)
Water salinity
no salt (freshwater)
Size in aquarium
5 cm (2 in)
Lifespan
3 years
Temperament
Peaceful (regular)
Toward small fish
not a predator
Required aquarium volume
from 40 L (11 gal)
Lighting
any
Substrate
any (no restrictions)
Water flow
weak or moderate
Swimming level
middle level
Feeding
Any (universal)
Keeping
Both solitary and in group flexible
Jumping
low
  • Lifespan. A lifespan to expect under good care, not a measured value: it depends heavily on tank volume, water quality and diet — and for selectively bred forms, on their origin as well.
  • Toward small fish. Based on the Predators category in the catalog or the temperament in the species parameters. “A risk to small fish” means the species is not a predator by habit, yet will swallow any fish that fits in its mouth.
  • Required aquarium volume. This is a husbandry recommendation, not a measured value: the volume depends on the keeping mode (both solitary and in group (flexible)), footprint, decor and tank mates.

Care and keeping

Description

Adults grow up to 5 cm in length, with males remaining slightly smaller, reaching a maximum of 4 cm. Their coloration consists of gray tones with a slight bluish sheen, while the belly has a silvery hue. A distinctive feature of this fish is a darkened area on the lower part of the body.

Habitat

The natural habitat of these fish is the Caribbean basin, specifically the island of Jamaica. There they inhabit shallow streams and small rivers, where large sandy shoals and rocky areas in hilly terrain predominate.

Behavior and Compatibility

These fish are distinguished by their peaceful and calm disposition, which allows them to coexist perfectly with other species of similar size and temperament. It is recommended to maintain a ratio of 2-3 females per male so that his attention is distributed among several partners. This is because during the breeding season, males become very active and can exhibit excessive courtship if there is only one female.

Care and Maintenance

For a school of Blackbelly Limias, the minimum recommended aquarium volume is 40 liters. The aquarium setup depends entirely on the owner's preferences; it is only important to provide both dense plant thickets and sufficiently open areas for free swimming. There are no specific requirements for the keeping conditions of this species. Weekly water changes of 15% to 20% of the volume, replacing it with fresh water, and regular removal of organic pollutants from the aquarium will suffice.

Diet

This species is not demanding about food and readily accepts most standard foods of appropriate size, whether live, frozen, or dry.

Breeding and Reproduction

The Blackbelly Limia is a livebearing species, meaning they do not lay eggs but give birth to fully formed offspring. The entire embryonic development period occurs inside the female's body. Under optimal conditions, an adult female can produce offspring every 6–8 weeks, with each brood numbering up to 25 fry. Unlike many other livebearing species, cases of cannibalism among Limias are rare, especially if the young are provided with reliable hiding places, such as plant thickets. Thanks to this, fry can be kept together with adult individuals.

Diseases

Health problems in these fish arise only in the presence of injuries or keeping in unsuitable conditions, which leads to a weakening of the immune system and the subsequent occurrence of various diseases. At the first signs of illness, it is necessary first to check the water parameters for exceeding permissible values or the presence of toxic substances (such as nitrites, nitrates, ammonia). If deviations are found, all indicators should be normalized, and then treatment should begin.

How to choose

When purchasing, choose active and mobile fish with clean fins and no visible damage to the body. It is important to pay attention to the condition of the scales: they should be tightly attached, without signs of ulcers, film, or spots. Avoid individuals that stay at the water surface, appear apathetic, or have sunken bellies, as this may indicate stress or the presence of parasites. — Inspect the aquarium in the store: there should be no dead fish. — Make sure the fish show a healthy interest in food. — Purchase a group of one male and several females to reduce intraspecific stress.

Compatibility

There are no pair reviews for this species yet — check tankmates in the matcher.

All tankmates

Plants and this fish

Matching water does not mean the plant will stay intact.

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Blackbelly Limia get?

An adult reaches 5 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Blackbelly Limia need?

The recommended volume is 40 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Blackbelly Limia need?

Temperature 22–28 °C, pH 7–8.5, hardness 20–30 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Blackbelly Limia live?

Around 3 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Blackbelly Limia aggressive?

Temperament: peaceful (regular). Keep this in mind when choosing tank mates.

How many Blackbelly Limia should be kept together?

Recommended setup: both solitary and in group (flexible). Ignoring this is a common cause of stress and disease.

What does Blackbelly Limia eat?

Diet type: any (universal). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Blackbelly Limia?

The scientific name of the species is Limia melanogaster, family Poeciliidae. It also appears in the literature as: Lebistes melanogaster, Poecilia melanogaster.

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Other scientific names and conservation status

Other scientific names
Lebistes melanogaster, Poecilia melanogaster
Conservation status
Near threatenedNT