Banded Green Chromide Care Guide - Aquarium Setup, Diet & Breeding

The Banded Green Chromide is a substantial, deep-bodied cichlid with a greenish to olive base colour, pale vertical bars and a dark spot towards the rear of the body. Its pattern can become especially striking when the fish is settled, displaying or breeding. The exact intensity of the colour varies with mood, age and water conditions.

This species is a confident, intelligent fish that often learns to recognise its keeper and becomes active around feeding time. Adults are generally more deliberate than fast-moving schooling fish, but they can be assertive and territorial, particularly when defending a spawning site.

In the wild, Banded Green Chromides inhabit shallow coastal environments with vegetation, submerged roots, rocks and muddy or sandy bottoms. They are adapted to changing salinity and may be found in tidal channels as well as inland stretches influenced by the sea.

Etroplus suratensis is one of the larger Asian chromides and has long been valued as a food fish in parts of its native range. In aquariums it is best appreciated as a sizeable, personable cichlid for a spacious brackish or hard-water display rather than as a typical small community fish.

Banded Green Chromides are native to the tropical coastal waters of southern India and Sri Lanka. They occur in estuaries, lagoons, coastal backwaters, rivers and other habitats where freshwater mixes with seawater, although they may also live in largely freshwater conditions.

An adult or compatible pair should have at least 500 litres, with a larger aquarium strongly preferred; aim for dimensions of around 180 x 60 x 60 cm or more so the fish have meaningful swimming space and territories can be separated. Use efficient filtration and strong aeration, while avoiding excessive current across the whole tank. Include smooth rocks, driftwood, hardy plants and open swimming areas, with a sand or fine rounded-gravel substrate that will not damage the mouth during foraging. The aquarium may be maintained as freshwater or mildly brackish, but salinity should be chosen consistently and increased gradually when required. A secure cover is advisable because large chromides can jump.

Up to 40 cm (15.7 inches) in total length in the wild; aquarium specimens are more commonly around 20–30 cm (8–12 inches). Males may grow slightly larger and heavier than females.

Banded Green Chromides are omnivores with a strong preference for plant matter. Offer a varied diet based on quality spirulina or algae-based pellets, marine or omnivore pellets, blanched spinach, lettuce, peas and other suitable vegetables. Supplement this with occasional foods such as chopped prawns, mussels, earthworms or frozen brine shrimp. Young fish should receive smaller, frequent meals, while adults benefit from controlled portions that do not allow them to become excessively fat.

Banded Green Chromides can share a spacious brackish aquarium with sturdy, similarly sized tankmates such as larger mollies, monos, scats and compatible gobies, provided the water chemistry and temperature suit all occupants. They may also work with robust hard-water cichlids in carefully planned setups, although their territorial behaviour must be monitored. Avoid small, delicate fish, slow long-finned species and timid bottom dwellers, which may be harassed or eaten. A bonded pair can become particularly aggressive towards other chromides and conspecifics during breeding.

Banded Green Chromides are substrate spawners that usually form pairs. Provide a large, mature aquarium with a flat rock, slate or other smooth spawning surface, along with clean, well-oxygenated water. The female lays adhesive eggs and both parents guard the clutch and fry. Once hatched, the young remain under close parental care and can be offered newly hatched brine shrimp and other suitably tiny foods. A bonded pair may become highly territorial while breeding.

The sexes are difficult to distinguish reliably outside breeding condition. Mature males are often somewhat larger and more robust, with a broader head and stronger breeding colouration, while females may be slightly smaller and deeper-bodied when carrying eggs.