A riparium is a tank with a shoreline. What you actually need
Learn what a riparium is and what you need to build one: an open-top tank, planters, plants that tolerate wet roots, and light above the water.
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Tennessee Aquarium releases 500 lake sturgeon into the Tennessee River
About 500 juvenile lake sturgeon went into the Tennessee River at Coolidge Park. Here's how the restoration works and whether it's succeeding.
Can a crab get stuck in a pumpkin-house ornament?
Can a crab get trapped in a pumpkin-house ornament? See which openings are risky, how to pick or seal a safe piece, and how to free a stuck crab.
Are store-bought Halloween ornaments safe underwater?
Learn which Halloween ornaments are safe in a fish tank, why craft-store decor is risky, and a simple screening test before adding one.
The $10 Vampire Crab: A Bad Halloween Impulse Buy
Vampire crabs make tempting Halloween impulse buys at $10, but they need a land-heavy paludarium to survive—not a traditional fish tank.
Can you put a real pumpkin in a freshwater tank?
Discover why whole pumpkins damage aquarium water and how to safely offer small pieces as seasonal treats.
Snail Eggs in the Aquarium: What the Clusters Are and What to Do
Tell snail eggs apart by species (nerite dots, mystery snail clutches, ramshorn and bladder jelly) and decide whether to scrape, keep, or hatch them.
Dwarf Crayfish (CPO) Care: The Small Crayfish That Leaves Fish Alone
CPO dwarf crayfish care: size, temperature, safe tank mates, molting, breeding, how much flow they like, and the states where you can't buy them.
Kuhli Loach Care in a River Tank
Kuhli loaches can live in a river tank if you give them a calm zone, soft sand, a group of six, 74–79°F water and plenty of places to hide.
Rosy Barbs: A Hardy River Tank Fish That Doesn't Need a Heater
Rosy barb care for unheated river tanks: temperature range, tank size, group size, tank mates, feeding and the fin-nipping problem.
Fall Leaves in the Aquarium: Indian Almond, Oak, and What's Safe
Which leaves are safe in a fish tank, how many to use, how to collect and prep oak leaves, and which trees to skip.
Feeding Fish While You're Away for the Holidays
Going away for Thanksgiving? Most healthy adult fish are fine for a long weekend without food. How to prep the tank before you leave, when an automatic feeder makes sense, why to…