X-ray Tetra - Pristella maxillaris : Complete Fish Profile & Care Guide

Introduction

The X-Ray Tetra (Pristella maxillaris) is a small freshwater fish highly regarded within the aquarium community for its unique transparent body and peaceful demeanour. Native to the coastal rivers of South America, this species thrives in a variety of water conditions, making it an adaptable and resilient choice for aquarists. These Tetras coexist harmoniously with other non-aggressive fish, making them an ideal candidate for community aquariums. Its ease of care, combined with its distinctive appearance, makes the X-ray Tetra a captivating addition to any freshwater aquarium.

To guarantee optimal well-being, it is crucial to house these fish in groups of six or more, reflecting their natural inclination towards shoaling. Grouping these fish in significant numbers not only promotes their health but also creates a visually stunning display, particularly within densely planted aquariums. Their compatibility extends to other species of comparable size and demeanour, including other Tetras, Dwarf Barbs, Pencilfish, and Dwarf Cichlids such as Apistogrammas. Furthermore, cohabitation with Corydoras Catfish and smaller Plecostomus species is also viable, enhancing the diversity and dynamism of the aquatic environment.

For the creation of an ideal habitat, it is advisable to construct a biotope aquarium that incorporates a sandy substrate complemented by select driftwood branches and tangled roots. The addition of dried leaves can further enhance the authenticity of the setting, although aquatic plants are not an essential component of their natural habitat. Permitting the wood and leaves to naturally tint the water with a brown hue contributes to the realism, though it is important to replace the leaves periodically, every few weeks, to prevent water contamination. Maintaining subdued lighting conditions is recommended to closely replicate their natural environmental conditions.

The X-Ray Tetra has a small, translucent body that allows you to see its backbone. The scales are a yellowish-silver colour, sometimes nearly golden in appearance. The species also displays a re-tipped tail and strikingly lined anal and dorsal fins that are black, yellow, and white. Additionally, they possess a bony internal structure called the Weberian apparatus, which is used to pick up sound waves, adding to their sharp sense of hearing. An albino variant of this species has been cultivated, characterized by a more muted overall colouration, complemented by distinctive pink eyes and pink spots.