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Temperature
23 - 28°C
pH
6 - 7
Hardness
1 - 10 dGH
Max Size
4.0 cm
Min. School
8
Min. Tank
60 L
The Porkchop Rasbora, scientifically known as the Harlequin Rasbora (Trigonostigma heteromorpha), is a staple in the freshwater aquarium hobby, cherished for its vibrant coloration, peaceful demeanor, and distinctive markings. Hailing from the slow-moving, blackwater streams and heavily vegetated areas of Southeast Asia, this small schooling fish brings a splash of natural beauty to any community tank.Growing to a modest adult size of about 1.5 to 2 inches (3.5-5 cm), the Porkchop Rasbora is easily identifiable by its striking coppery-orange to reddish-pink body, beautifully contrasted by a prominent, triangular black patch on its posterior half. This unique marking, often likened to a porkchop or wedge, gives the fish its charming common name and makes it stand out against lush green aquascapes.As a schooling species, Porkchop Rasboras thrive in groups of at least 6-10 individuals, where their natural behaviors and stunning collective display are best observed. They are incredibly peaceful and make ideal inhabitants for community aquariums, coexisting harmoniously with other small, non-aggressive species such as other rasboras, tetras, dwarf cichlids, corydoras, and even freshwater shrimp.To provide an optimal environment, a planted tank with dim lighting (perhaps diffused by floating plants) is highly recommended. A dark substrate will enhance their vibrant colors, while driftwood and leaf litter can mimic their natural blackwater habitat, contributing to softer, slightly acidic water conditions (pH 5.0-7.0, ideally 6.0-6.5). They prefer temperatures between 72-80°F (22-27°C) and appreciate plenty of hiding spots among fine-leaved plants, along with open swimming areas.In terms of diet, these omnivores are not picky eaters. A varied diet of high-quality flake food, micro-pellets, and occasional treats of frozen or live brine shrimp, daphnia, or bloodworms will keep them healthy and vibrant. The Porkchop Rasbora is an excellent choice for both novice and experienced aquarists seeking an active, beautiful, and easy-to-care-for schooling fish that adds both elegance and dynamic movement to the aquatic landscape.