Cichlasoma blue jack dempsey 6 - (Amphilophus labiatus) — 6-7cm

Overview

The blue Jack Dempsey (scientifically Amphilophus labiatus, though sometimes confused with Rocio octofasciata) is a stunning color variant of the classic Jack Dempsey cichlid from Central America. This impressive fish is highly sought after in the freshwater fish for sale UK market, prized for its brilliant blue coloration, bold personality, and impressive presence. The "blue Jack Dempsey" or "electric blue Jack Dempsey" is a selectively bred form that displays metallic blue iridescence rather than the standard dark coloration. With an adult size of approximately 20 cm, this species requires a spacious aquarium and experienced aquarists prepared to manage its semi-aggressive temperament. For those willing to provide the right environment, the blue Jack Dempsey offers an unmatched combination of beauty, intelligence, and captivating natural behavior.

Appearance

The blue Jack Dempsey displays stunning metallic blue iridescence throughout the body and fins, with the intensity varying by mood, health, and genetics. The scales shimmer under aquarium lighting, creating an electric blue appearance that is truly spectacular. The body is robust and laterally compressed, with a slightly pointed snout and large, expressive eyes. Males develop more intense coloration and may show a slight nuchal hump as they mature. Breeding individuals intensify their coloration dramatically, with males becoming especially vivid during courtship and territorial displays. The overall appearance is powerful and striking, making this species an unmissable centerpiece in any large cichlid aquarium.

Natural Habitat

While the blue Jack Dempsey is a selectively bred color variant, the wild-type species is naturally found in slow-moving freshwater habitats in southern Mexico, Belize, Guatemala, and Honduras. These habitats consist of rivers, streams, and lakes with muddy or sandy substrates, submerged roots, and vegetation. The water is typically warm, slightly acidic to neutral, and moderately hard. Understanding these natural conditions helps in creating an appropriate captive environment that supports the species' health and natural behavior.

Aquarium Setup

This is a powerful, territorial cichlid that needs excellent filtration, regular water changes, and plenty of space and hiding places. Provide a spacious aquarium (minimum 250 litres for a single adult or breeding pair) with strong filtration and excellent water quality. Use a sand or fine gravel substrate with robust rockwork and driftwood to create caves and visual barriers. Plants must be robust or potted, as Jack Dempseys may dig. Strong filtration is essential, and regular partial water changes (30-40% weekly) are critical for maintaining stable parameters. Avoid housing with delicate tankmates, and note that juveniles are generally less aggressive than adults.

Feeding

As an omnivore, the blue Jack Dempsey requires a varied, high-protein diet. Offer quality cichlid pellets as the staple, supplemented with frozen or live foods such as bloodworms, brine shrimp, mysis, krill, and occasional earthworms. Some vegetable matter or spirulina-based foods should be included to support digestive health. Feed moderate portions once or twice daily, ensuring all food is consumed within a few minutes. Avoid overfeeding, which leads to obesity and water quality issues.

Behaviour and Temperament

The blue Jack Dempsey is semi-aggressive, with territorial behavior intensifying as the fish matures. Males are particularly territorial, especially during breeding. Despite their reputation, many individuals are less aggressive than other large Central American cichlids, particularly when kept in spacious aquariums with appropriate tankmates. Pairs form readily and may spawn on flat surfaces; parents are attentive and can become very territorial during spawning and fry care. In the right setup—spacious quarters, robust tankmates, and proper territory management—their bold behavior becomes a fascinating aspect of their personality.

Tank Mates

House with large robust cichlids of similar temperament, large catfish such as plecos or Synodontis, and other sturdy fish too large to be eaten and able to tolerate semi-aggressive tankmates. Avoid small fish, shrimp, snails, slow-moving or long-finned fish, and peaceful community fish—all will be bullied or eaten. Provide a separate breeding tank or strong tank dividers if breeding in a community setup, as parental aggression can be extreme.

Breeding

The blue Jack Dempsey forms pairs and lays eggs on flat surfaces such as smooth rocks or cleaned glass. Both parents are attentive and can become very territorial during spawning and fry care. Eggs hatch in approximately three days, and fry become free-swimming several days later. Parents will guard the fry for several weeks, moving them to pre-dug pits. Fry are large enough to accept newly hatched brine shrimp immediately and grow rapidly with frequent feedings and excellent water quality. A separate breeding tank is often needed to protect tankmates from parental aggression.

Why Buy from Tropical Fish Co

Tropical Fish Co is the UK's premier destination for rare and beautiful Central American cichlids, including the stunning blue Jack Dempsey. We work exclusively with ethical suppliers who prioritize quality and health, ensuring every fish arrives in optimal condition. Our rigorous quarantine protocols and expert acclimation process guarantee your fish is ready to thrive. With detailed care guidance, ongoing support from our knowledgeable team, and a live arrival guarantee, we make it easy to succeed. Order today and experience the unmatched quality and service that sets Tropical Fish Co apart.