Blue Limia (Limia melanogaster)

Overview

Blue Limia (Limia melanogaster) is a rare Jamaican poeciliid livebearer also known as the Black-Bellied Limia or Blue-Bellied Limia. The fish supplied under SKU 6051 are normally around 3-4 cm. Older trade and supplier data may still show Poecilia melanogaster; that name is useful as a synonym, but current aquarium and FishBase references use Limia melanogaster.

This is a specialist wild-form livebearer rather than a common guppy-type fish. The appeal is in the metallic blue sheen, black belly and fin markings, active group behaviour and Jamaican origin. It suits mature aquariums with hard, alkaline, well-oxygenated water, plant cover and keepers who enjoy subtle rare livebearers.

Exact Fish And Photo

This listing now includes the exact Petra source photo for SKU 6051 alongside the existing planted-aquarium images. The source photo shows the real blue-green body sheen, darker belly colour and yellow-brown tail tones of the supplied fish. The existing aquarium scene images are preserved for context, while the source photo is the supplier-backed reference image.

Appearance

Blue Limia are small but not plain. FishBase lists males/unsexed fish to around 4 cm standard length and females to around 5 cm standard length, while retail aquarium guidance commonly gives around 5 cm. Males are slimmer and usually more colourful, with metallic steel-blue gloss, black belly or caudal-peduncle markings, a yellow to orange tail and darker fin edging. Females are fuller-bodied with a less intense pattern but can show a distinctive dark gravid area.

A settled group looks best under clear light with plants and darker background contrast. Healthy fish should look alert, bright-eyed and constantly interested in grazing and swimming near the upper and middle water levels.

Natural Habitat

Limia melanogaster is associated with Jamaica, with FishBase listing streams and near-surface behaviour, and Fishkeeper/Maidenhead noting records near Kingston and Spanish Town plus other streams, lagoons and springs to the south and west of the island. The species is linked with hard alkaline water, good oxygen and active water movement, though it also uses vegetated areas and shelter.

The aquarium translation is clean, mineral-rich water with reliable filtration, surface movement and cover. Do not treat it like a soft-water rainforest fish. It is more comfortable in hard, alkaline conditions and a calm group than in a warm, dirty or unstable community tank.

Quick Facts

• Scientific name: Limia melanogaster
• Synonym/trade name: Poecilia melanogaster
• Common names: Blue Limia, Black-Bellied Limia, Blue-Bellied Limia
• Family: Poeciliidae
• Supplied size: Around 3-4 cm for SKU 6051
• Adult planning: About 4-5 cm, females usually larger
• Temperament: Peaceful, active, males court females frequently
• Diet: Omnivore; worms, crustaceans, insects and plant matter are source-listed
• Best setup: Planted hard-water group with clean flow and oxygen

Aquarium Setup

Use a mature aquarium of 60 litres or more for a small group. Add plants, open swimming space, smooth rocks or wood, and enough surface movement for oxygen. A female-heavy group helps reduce constant male attention. A secure lid is sensible because livebearers can jump when startled.

The layout should be practical rather than over-polished: plant cover for security, grazing surfaces for biofilm and enough open water for movement. Regular water changes are important because rare livebearers show their best in stable, clean water.

Feeding

FishBase lists worms, crustaceans, insects and plant matter in the diet, so feed a varied omnivore menu. Use fine flakes or micro granules, spirulina or algae-based foods, vegetable-rich foods and small frozen or live foods such as daphnia, baby brine shrimp, cyclops and mosquito larvae. Small frequent portions are better than heavy feeding because clean water is part of the care.

Behaviour And Tank Mates

Blue Limia are peaceful and social, best kept in a group rather than as a single specimen. Males court females often, so plant cover and a female-heavy ratio are useful. They suit peaceful hard-water companions of similar size, other calm livebearers and peaceful snails. Avoid fin nippers, large predators, aggressive cichlids, very soft-water specialists and boisterous tank mates that will outcompete them.

Breeding Notes

This is a livebearer and can breed in stable hard-water aquariums. Females give birth to free-swimming fry, which need fine foods and cover if you want them to survive. Because this is a rarer species, keep strains carefully, avoid careless mixing with uncertain Limia lines and never release unwanted fish or plants into outdoor waterways.

Delivery And Ordering

Order when the aquarium is mature, hard enough and ready for active livebearers. Tropical Fish Co ships livestock with insulated packing, weather-aware dispatch and a Live Arrival Guarantee. New customers can use WELCOME10 for 10% off their first eligible order. If weather or route conditions are unsuitable, we prioritise the fish and hold dispatch until shipping is safer.