
Can Goldfish Live With Guppies?
Quick answer: Goldfish and guppies have some overlap in published temperature ranges, but they are generally not recommended as long-term tank mates. Goldfish prefer... Read more.
The Aquarium Nitrogen Cycle & How to Cycle a New Tank
The aquarium nitrogen cycle explained simply, plus a step-by-step fishless cycling guide to set up a safe, stable tank in 2–6 weeks.... Read more.

Can Too Much Dechlorinator Kill Fish?
Quick answer: Usually, a small accidental overdose of dechlorinator will not kill fish. Many aquarium water conditioners have a wide safety margin, but a very large... Read more.

Can Super Glue Kill Fish?
Quick answer: Cyanoacrylate-based super glue is commonly used safely in aquariums when the product and application are appropriate. Aquarium-safe super glue gel... Read more.

How Long Can Angelfish Go Without Food?
Quick answer: A healthy adult angelfish can usually handle several days without food, and around a week may be manageable in a stable tank. However, surviving a... Read more.

How Many Angelfish Should You Keep Together?
Quick answer: A single angelfish, a compatible bonded pair, or a larger group can all work depending on the aquarium. For group keeping, about five or six juveniles... Read more.

Why Are Aquarium Shrimp So Expensive?
Quick answer: Aquarium shrimp are expensive mainly because of grade. High-grade lines — such as SS or SSS Crystal Red, Blue Bolt, or Bloody Mary — take many... Read more.

Do Goldfish Eat Other Fish or Each Other?
Quick answer: Yes, goldfish can eat other fish — especially eggs, fry, and fish small enough to swallow. But goldfish are not aggressive, fish-hunting predators,... Read more.

How Many Guppies in a 10-Gallon Tank?
Quick answer: About five or six guppies suit a 10-gallon tank. The old “1 inch of fish per gallon” rule points to roughly six or seven, but it’s... Read more.

How Long Can Fish Survive in a Bag?
Quick answer: A fish usually survives several hours — commonly about 6 to 9 — in a normal sealed transport bag. A store’s oxygen-packed bag can last a... Read more.

Why Did My Fish Turn Black and Die?
Quick answer: Fish can turn black before dying for several reasons, but color change alone cannot identify the cause. Test ammonia and nitrite immediately, because... Read more.

