10 Best Cleaner Fish for Tanks with Black Substrate (2026 Species Guide)
A black sand foreground transforms an ordinary aquarium into a dramatic stage where every scale, fin, and reflection pops. But it also turns every speck of algae, a lone flake…
A black sand foreground transforms an ordinary aquarium into a dramatic stage where every scale, fin, and reflection pops. But it also turns every speck of algae, a lone flake…