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Cool Saltwater Fish to Own
A guide to cool saltwater fish to own, from beginner-friendly picks to challenging showpieces, with notes on tank needs, behavior and where to buy.
Saltwater & Reef
Saltwater Species Profiles
Profiles of popular and unusual saltwater fish.
Flame Hawkfish Tank Size
How big a tank does a flame hawkfish need? Covers the commonly cited 30 gallon minimum, the 20 gallon question, perches, lids, aggression and tank mates.
Flashing Tilefish Care
Flashing tilefish care: sand bed and rock setup, lid, feeding, reef safety, tank mates, acclimation and signs the fish is settling in.
Longnose Hawkfish Care
Longnose hawkfish care basics: adult size, tank setup, perches, feeding, shrimp risk, reef compatibility and how it compares with other hawkfish species.
Most Expensive Saltwater Fish for Aquariums
Which saltwater aquarium fish cost the most? Rare deep-water angelfish, why prices run so high, myths about six-figure fish, and whether they are worth it.
Saltwater Filefish Care
Saltwater filefish care guide: the Aiptasia-eating filefish, tank size, diet, reef compatibility, other species, and what else eats Aiptasia.
Saltwater Leaf Fish Care
Saltwater leaf fish care: what the leaf scorpionfish is, tank size, feeding, aggression, mild venom, and whether this camouflage ambusher suits beginners.
Unicorn Fish Diet
Unicorn fish diet explained: what Naso species eat in the wild, what to feed in an aquarium, feeding tips, and whether unicorn tangs are hard to keep.
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