Discover every type of coral for reef tanks — from beginner-friendly soft corals to advanced SPS. Species profiles, care requirements, and expert guidance from a marine research scientist.
Welcome to Manta Systems!

Tamara Marshall is a marine scientist and saltwater enthusiast with 26 years of experience in the hobby. She has worked at prestigious institutions like the Hubbs SeaWorld Research Institute and The Dallas World Aquarium, and has been a featured speaker at major events such as MBI and MACNA. Tamara holds a degree in Fish Health and Aquaculture from the University of Florida, as well as an MBA and MS in Innovation and Entrepreneurship from the University of Texas at Dallas. Her journey in the saltwater industry includes owning both a wholesale coral business and a retail saltwater fish store. As the founder of Manta Systems, Tamara combines her deep knowledge and passion to educate and inspire the saltwater community.
Found bristle worms in your reef tank? Most are harmless — even beneficial — scavengers. Learn which species to keep, which to remove, and how to tell the difference before you reach for the tongs.
Protein Skimmers Decoded
Discover the ultimate guide to protein skimmers for saltwater aquariums. Learn how they work, their benefits, troubleshooting tips, and why they’re essential for pristine water quality and healthy coral growth.
In this detailed guide, we break down the step-by-step process of acclimating your new fish, covering everything from preparation to final release. Learn why acclimation matters, how to prepare, and the best methods to ensure a smooth transition for your new fish.
Toadstool Leathers: The Perfect Beginner Coral!
Discover the ultimate guide to toadstool leather coral care. From placement to propagation, troubleshooting to myths, learn how to keep these resilient corals thriving in your reef tank.
To Pop or Not to Pop?
Learn everything you need to know about bubble algae in saltwater aquariums, including identification, nutrient utilization, removal methods, and prevention strategies for a pristine reef tank.
Learn how to identify, prevent, and eradicate Aiptasia in your saltwater aquarium. Our comprehensive guide covers effective control methods, quarantine practices, and expert tips for keeping your tank pest-free and healthy.
Sulfur Reactors: Advanced Nitrate Management
Explore the ultimate guide to sulfur reactors in saltwater aquariums. Learn how they work, their benefits, common myths, maintenance tips, and how to decide if a sulfur reactor is right for your tank. Perfect for reducing nitrates in reef and fish-only systems!
Anthias are stunning but demanding reef fish — they require frequent feeding, specific tank conditions, and careful species selection. This guide covers everything you need to keep them thriving long-term.
The Art and Science of pH in Reef Tanks
Explore the science behind pH in saltwater aquariums and its critical role in maintaining a thriving reef ecosystem. Learn how pH impacts coral growth, fish health, and biological filtration, along with expert tips for monitoring and stabilizing pH levels for long-term success.
Fluconazole for Algae Control: The Ultimate Guide
Struggling with algae in your saltwater aquarium? Discover how fluconazole can target Bryopsis and green hair algae effectively without harming your reef. Learn preparation, dosing, and post-treatment tips in this ultimate guide.
Top 10 Refugium Mistakes
Learn the top 10 refugium mistakes that even experienced aquarists make. From improper lighting to ignoring pests, this guide covers common pitfalls and how to avoid them, ensuring your refugium thrives as a nutrient-export powerhouse.
Refugium Essentials: Enhancing Natural Filtration
Unlock the full potential of your saltwater aquarium with our ultimate refugium guide. Learn about types, benefits, setup tips, advanced techniques, and maintenance secrets for creating a thriving refugium that boosts water quality and biodiversity.
Struggling with cyanobacteria in your saltwater aquarium? Learn how to identify, prevent, and eliminate this pesky algae-like organism with expert tips on nutrient management, lighting, flow optimization, manual removal, and advanced treatments. Keep your tank pristine and your marine life thriving.