Blue Boxfish (Ostracion cyanurus): characteristics, habitat, and care notes

The Blue Boxfish, scientifically known as Ostracion cyanurus, is a small to mid-sized reef fish admired for its iridescent blue body and rigid, box-like silhouette. Found in the Indo-Pacific, it favors shallow lagoons and coral reefs where shelter andfood sources abound. Its distinctive shape is a natural adaptation that helps deter predators, though it also limits its agility in tight crevices.

Appearance and Identification. Adults typically display a bright blue body with a slightly ... Read more »

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Mixed Reef vs SPS-Dominant Tanks: Lighting Needs

Mixed Reef vs SPS-Dominant Tanks: Lighting Needs Choosing between a mixed reef and an SPS-dominant system is less about “better” and more about whether you want flexibility and variety—or maximum coral growth potential with tighter control. Lighting is usually the deciding factor because SPS generally demands higher light and more stable conditions than many other reef corals. Below is a practical comparison of both approaches, with the pros and cons that matter most, plus the lighting needs reef keepers commonly p ... Read more »

Me & Velvet Sickness on the Reef: Safe Treatments

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Sustainable Coral Farming: How Aquaculture Is Changing the Hobby

Sustainable Coral Farming: How Aquaculture Is Changing the Hobby For years, coral reef hobbyists have faced a tradeoff: the desire to keep vibrant reef life at home, versus the environmental cost of extracting wild colonies. Increasingly, that equation is changing as sustainable coral farming expands—and as aquaculture becomes the industry standard for many popular species. Rather than taking corals from reefs, aquaculture nurseries grow corals in controlled systems, then supply fragments to hobbyists and retailers. The approach is gaining mo ... Read more »

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