How does the transparency of the X-Ray Tetra influence observation of water quality?
Answer
They act as strict litmus tests for water clarity
Because the fish itself offers very little visual obstruction due to its clear body, any subtle cloudiness in the water column or any accumulation of detritus that might otherwise go unnoticed when watching an opaque fish becomes immediately apparent. This makes the X-Ray Tetra an excellent, albeit unintentional, indicator for water maintenance. If the water appears less than crystal clear when observing the fish swimming through it, it signals an immediate need for a water change or filter cleaning.
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X-Ray (Pristella) Tetra Care and Breeding - YouTube
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