What small invertebrates do X-Ray Tetras hunt in South American streams?
Answer
Worms, insects, and small crustaceans
In their natural habitat, X-Ray Tetras exhibit typical micro-predator behavior near the riverbed, focusing their hunting efforts on small invertebrates. Specifically, their natural diet includes worms, insects, and small crustaceans. This inherent inclination towards high-protein food sources drives the recommendation for supplemental feeding in aquariums. While they are omnivorous and supplement their diet by grazing on aquatic plants, the protein component derived from consuming these small creatures is vital for maintaining the fish’s high activity levels and enhancing the vibrancy of its coloration.

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