Marshall Stephens
Aquarium Specialist
wikiHow's Editorial Process wikiHow partners with over 1000+ experts from a wide range of fields to ensure our content is accurate and based on well-established research and testimony. Content Managers conduct interviews and work closely with each expert to review information, answer reader questions, and add credible advice. Learn more about our editorial process and why millions of readers trust wikiHow.
Co-authored Articles (59)
How to
Tell if Your Goldfish Is a Male or Female
Many people are interested in finding out the gender of their goldfish. You might want to know for breeding purposes, or just to make sure you didn't name your female goldfish George. Luckily, you can identify whether yo...
How to
Tell if Your Fish Is Having Babies
A quick online search can usually tell you whether your species of fish gives birth to live young, or whether it lays eggs. This tells you whether you should be on the lookout for a bulging pregnant abdomen, or for tiny ...
How to
Breed Guppies
Guppies have wonderful colors, cute faces, and best of all, easy to take care of. What more would you want in a fish? If you are hoping to keep your aquarium filled with these little beauties, you will need to learn how ...
A Simple Guide to Breeding Neon Tetras
The best conditions to spawn tetra eggs & how to care for themNeon tetras are small and colorful tropical fish that make great pets. These fish are easy to breed, whether you want more fish friends or want to make some m...
How to
Know when Your Hermit Crab Is Dead
Hermit crabs are prone to periods of solitude and lethargy, particularly when they're molting. It can be difficult to tell whether a hermit crab is molting, sick, or dead. As a general rule, though: assume molting before...
What Do Snails Eat? A Guide to Feeding Snails
Learn the safest and most nutritious diet for your pet snail Snails make fabulous pets: they’re kind, easy to care for, and even easier to feed. However, every snail has different tastes. Whether you're caring for land...
How to
Feed Guppies
Guppies are active and often colorful, making them popular aquarium pets. To keep your fish healthy, it's important to know how often to feed guppies and what they eat. Guppy young require a special diet, although one ea...
How to
Breed Molly Fish
Mollies are an ideal choice of live bearing fish (i.e. they don't lay eggs) to place in a community aquarium or fish tank. For the most part, mollies are very easy to breed. A single female can produce over one hundred...
How to
Save a Dying Betta Fish
It's so heartbreaking watching your beloved betta fish suffer from illness, but fortunately you don't have to stand idly by. There are all kinds of treatments out there that can help save a dying betta fish. In this arti...
How to
Breed Danios
Zebra danios (Brachydanio rerio) are the most popular and most common of all danios used in aquariums. Danios are from places like India and Pakistan and can be found in every type of water environment you can imagine (s...
How to Cure Fungus on Aquarium Fish
Care for a fish with white or other kinds of fungus If you suspect your fish is sick, it could because of a fungal infection. Fungal infections, such as Saprolegnia and Achyla infections, are common diseases in fish that...
How to
Set Up a Tank for Your Red Clawed Crab
Red-clawed crabs are relatively easy pets for beginning pet owners. In addition to food, these small creatures require a safe enclosed space in which to live and grow. With thoughtful planning and a few careful steps, yo...
How to
Care for Guppies
Guppies are one of the most colorful tropical freshwater fish in the world. They are small and relatively easy and inexpensive to take care of. They are a great fish to start with when beginning to build an aquarium, or ...
How to Lower the pH of Drinking Water, Gardening Water, Pools & Aquariums
Fast, easy, and effective ways to lower pH in water naturallyIf you’ve tested your water and it has a high pH, that means that it’s too basic or too alkaline. Water with a high pH can have serious repercussions, whet...
How to
Feed a Pleco
Plecos are a great addition to your aquarium to help keep it algae-free. The pleco, or plecostomus, is a type of catfish often housed in aquariums. Plecos are algae-eaters, but your home aquarium won’t provide enough a...
How to
Find and Care for a Pet Tardigrade (Water Bear)
"Water bears" is a colloquial name for tiny multicellular critters that have always delighted microscopists. They are properly called tardigrades ("slow walkers"), and with four pairs of stumpy legs and lumbering gait, ...
Hermit Crab Care: Everything You Need to Keep Hermies Happy and Healthy
A beginner’s guide on handling, feeding, and housing the cutest crustaceans out there Hermit crabs, affectionately called hermies, are phenomenal low maintenance pets. But low maintenance doesn’t mean no maintenance!...
How to
Breed Angelfish
Angelfish are a favorite of freshwater aquarium hobbyists for their unique appearance. With triangular bodies, bold stripes and long fins, this elegant, easy-to-keep tropical fish will beautify any freshwater tank. Origi...
How to
Help Guppy Fry Grow
Guppy fry are easy to keep, but their growth to maturity takes about three months and that can sound like a lot! They're not hard to keep, but you need to make sure you provide good nutrition and conditions so they grow ...
How to
Identify Finrot
Fin rot is a common affliction in aquarium fish. Although easily treatable, fin rot is a disease that could make your fish very sick and unable to move if not treated promptly. Being able to identify what fin rot looks l...
