Saltwater Smarts
  • Saltwater Smarts is a unique online resource created by long-time aquarists Chris Aldrich and Jeff Kurtz to inspire and entertain a new generation of marine aquarium hobbyists while helping them acquire the reliable, authoritative knowledge base they need to succeed with a saltwater system. By clarifying key concepts, techniques, and terminology, as well as sharing expert insights from fellow enthusiasts and industry professionals, Chris and Jeff hope to promote a more accessible, sustainable, and enjoyable marine aquarium hobby. Read more about our mission and the contributors who are part of our team.

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Recent Content

4 Crabby Caveats to Keeping Clibanarius tricolor

4 Crabby Caveats to Keeping Clibanarius tricolor

Clibanarius tricolor, the blue-legged hermit crab, is very commonly introduced to marine aquaria, either in conspecific groups or as part of a multi-species “reef janitor” package or “cleanup crew” (aka “CUC” for those who just can’t get enough of those marine aquarium acronyms), for the purpose of aiding in detritus and algae control.…

4 Crabby Caveats to Keeping Clibanarius tricolor

Sometimes You Need to Overfeed Your Fish

Overfeeding is sometimes necessary to entice a finicky fish to eat, especially if they have little nutritional reserve to begin with, such as butterflyfishYou’ve heard time and again, here at Saltwater Smarts and elsewhere, that overfeeding is one of the surest ways to cause ill health in fish and pollute your aquarium water.…

4 Crabby Caveats to Keeping Clibanarius tricolor

Some Subtle Signs that a Fish is Sick

I’ve kept multiple copperband butterflyfish (Chelmon rostratus) in my reef over the yearsMost marine aquarium hobbyists learn quickly to identify common warning signs of ill health in fish—white spots, excessive mucus production, bulging eyes, frayed fins, etc.…