Betta pardalotos

Overview

Betta pardalotos is a paternal mouthbrooder recognized by two pale, rounded throat patches against a dark background. Brooding males have been observed accepting food, so behavior from other mouthbrooding species should not be applied automatically.

Distribution & habitat

It comes from the Musi drainage near Palembang in South Sumatra, Indonesia, and may be confined to the lower basin. Collected fish occupied small freshwater channels entering the main river. Estuarine organisms recorded in the main channel do not establish a brackish-water requirement for this fish.

Aquarium setup

Provide at least an 80 × 30 cm footprint for a pair or small group. Wood, branches, pots, and tubes create shaded retreats. Leaves add shelter and microbial growth, while wood and leaves can naturally stain the water. A bare floor is also suitable for easy cleaning.

Use subdued light, tolerant plants, floating cover, and gentle sponge filtration. Secure the lid against jumping and retain humid air and breathing space above the surface.

Diet & feeding

Insects, small invertebrates, and zooplankton are considered likely natural foods. Established fish generally accept dry products, supplemented with water fleas, Artemia, bloodworms, and other live or frozen items. Feed small insects beforehand and avoid excessive portions.

Behaviour & compatibility

Pairs and groups are possible, preferably in dedicated accommodation or with exceptionally gentle companions. Large or competitive fishes can suppress it. Reassess companions when breeding: adults that coexist do not necessarily leave fry safe.

Sexual dimorphism

Mature males generally grow larger and broader-headed, with more extended fins.

Breeding

Repeated embraces release eggs onto the male's anal fin. The female collects and passes them to him. He carries the brood for approximately 10–28 days before releasing swimming fry, and may accept food during incubation.

Stress or inexperience can trigger swallowing or premature release. Avoid unnecessary disturbance from catching other fish while he broods. Young can then be raised separately or with their parents, but other fish, including additional conspecifics, reportedly threaten them and should be removed at that stage.

Maintain warm, humid nursery air. Microworms and Artemia nauplii are suitable initial foods. Offer varied small meals two or three times daily without overrelying on the latter, and use regular modest water changes.

Notes

Alongside the paired pale throat patches, parallel rows of dark spots near the gill-cover edge and bars in the dorsal and caudal fins help distinguish related fishes. Check markings and provenance rather than relying on a sales label.