Saltwater Fish

Sea urchin gonads, or "roe," are considered delicacies in Europe, Japan and Asia. Known as "uni," urchin roe can demand a high price. Unfortunately, stocks in many coastal waters have become...

Breeding saltwater fish in captivity can be very difficult, if not impossible, for most species. The saltwater fish's spawning nature is not well known since many species cannot reproduce in...

Saltwater fish are undoubtedly among the most beautiful fish you can keep in your aquarium. They are also vastly more difficult to care for. They not only require special water conditions,...

Sea anemones are brilliantly colored invertebrates, animals without a spine that make interesting additions to a saltwater aquarium. They have a foot that anchors them to rocks, a tube-shaped...

If you are an experienced fish keeper, you might be looking for a way to turn your favorite hobby into a lucrative sideline, or even a full-time career. There are many individuals and businesses...

Minnows are part of a large fish family, usually used as food for other animals such as water dogs, turtles and larger fish. They are silver and are usually herbivorous. They can thrive in many...

Mantis shrimp are a type of marine crustacean that have recently become popular in the saltwater fish trade. A beautiful animal by nature, mantis shrimp typically come in a shade of green accented...

Red algae is slimy, can be a range of colors and is not a true algae. For most aquarists, red algae is just a headache.

A sea anemone is an invertebrate polyp with a cylinder body and a mouth encircled by tentacles, according to the Microsoft Encarta Encyclopedia. It belongs in the Anthozoa class, which also...

Saltwater fish tanks can enthrall and relax with vivid colors and quirky animals. They can also be a lesson in chemistry. The constant measuring and supplementing can be challenging but also...

Do you want to hatch brine shrimp eggs for entertainment or just food from your carnivorous fish? Whatever the case, hatching brine shrimp eggs is easy and can be quite exciting! Children will...

Thrush is a mouth fungus which appears as white raised sores on the inside of the mouth and on the throat and tonsils. It can also be present on the gums, and people with dentures develop fungus...

Saltwater fish are beautiful but come with many hassles, including keeping salinity and pH levels, the temperature and countless other things perfect. One of the problems that many overlook,...

A saltwater habitat is an environment containing saltwater that is the home to any number of species including fish, crustaceans, sharks, bacteria, plants and even fungi. There are a number of...

While both contain the same principle ingredient, there are major differences in the makeup and uses of table salt and aquarium salt.

Saltwater tanks and aquariums are wonder-filled environments populated by beautiful fish and other sea creatures. They do, however, require much more maintenance than regular fish tanks do. One of...

Nitrate is a nutrient created as a result of dead animals, animal waste and plant decay in an aquarium. The correct nitrate level in a saltwater tank is important because it can affect the health...

Discerning a male from a female salmon can be difficult depending on the species of salmon you're looking at and the time of year-during winter months it is almost impossible to tell them...

Saltwater fish (marine fish) can vary greatly in behavior, so an aquarium keeper must be careful to chose compatible fish. Due to aggressive or timid temperments, the results of incompatible tank...

Discus fish are a breed of tropical fish popular among aquarium enthusiasts. They are a member of the cichlid family. Discus fish are very colorful and are adaptable enough to be successful in...

Fish should always be introduced to a new tank or one with new water slowly. This helps their bodies adjust to the new environment naturally and helps them avoid shock. Never attempt to put fish...

Ammonia poisoning is a fish disease common in new aquariums. The level of ammonia (NH3) and ammonium compounds should be zero, and even small amounts are liable to cause poisoning. Damage can...

When fish are moved from one aquarium to another, an acclimation process is necessary to ensure their health. When moving between water, fish need to adjust to the new water's temperature and pH...

Setting up a saltwater aquarium can be a great hobby, but it is important to understand the needs of these special creatures. Saltwater fish require special care, and it is important for...

The name Panama means abundance of fish, a fitting description of the country with the eighth wonder of the world. Panama is an isthmus, meaning it is a thin strip of land, and connects North and...

The most common diseases in saltwater fish are dropsy, marine ick, head and lateral line erosion (HLLE). Recognizing the symptoms of these diseases allows aquarium owners to find proper treatment.

Saltwater aquariums are delicate ecosystems that require care to keep them in good working order. A saltwater parasite can infect an aquarium, throwing the system out of whack and causing harm to...

Saltwater fish are coveted among aquarium hobbyists and fish collectors. Taking care of these often-colorful animals, which are renowned for their beauty, requires great skill and care, yet the...

Whether you are buying new fish or moving the ones you already own, shipping fish can be a great way to relocate them. Although the thought of shipping fish can be daunting, fish that are properly...

Whether the tank is equipped with a Butterworth Machine that sprays the tanks clean, or the tank is equipped with you, a broom, a brush and a lot of elbow grease, tank cleaning is one of the most...

Brain coral is in the family Trachyphylliidae. It is considered by the aquarium industry as a large stony polyp coral. Brain corals usually originate from the waters off of Australia, the Indo...

A saltwater fish tank can be a stunning showpiece in a living room or den. A saltwater tank is generally more expensive than a freshwater aquarium and requires more maintenance. The types of fish...

When choosing saltwater fish for your aquarium, patience is essential. You want to give your fish time to adjust to their new surroundings and be careful not to pack too many fish in at once. As...

Most of us have seen the huge marine reef tanks with colorful fish and stunning corals. Saltwater tanks are, without a doubt, more costly, more effort, and more maintenance than freshwater...

When deciding to set up an aquarium, you'll inevitably be faced with the question as to whether you want to invest in a freshwater or saltwater setup. While both have advantages and disadvantages,...

Scallops---sea and bay---are mollusks with two shells that are attached by a hinge. The shells have a distinctive "scalloped" edge and are similar in shape (but not color), to the logo of a Shell...

Saltwater fish are usually more colorful than their freshwater counterparts, and range from under an inch long to a foot or more. Saltwater fish usually cost considerably more to purchase....

Fish have come a long way from being the runner-up pet to a dog or cat. Aquariums can be as simple as a small fishbowl with one or two goldfish, or as lavish as a 150-gallon tank, complete with...

The mummichog is a minnow-like fish that lives off the American shores of the Atlantic Ocean, known for its ability to live in the harshest of living conditions. This hardiness is one of the...

A saltwater aquarium is a beautiful work of art – the constant array of color and the soothing sound of water is a wonderful addition to any home. The upkeep, however, is not minimal. Be sure...

The corals that you select for a marine aquarium will have a large impact on your light requirements, or vice versa. Medium reef lighting is generally regarded as being between 3 watts and 5 watts...

Owning a saltwater fish tank can be a relaxing and enjoyable hobby. However, it is important to stock the tank with the proper amount of fish to maintain an adequate environment for the whole...

Keeping saltwater fish is one of the most challenging--and one of the most rewarding--parts of the aquarium hobby. The fish that inhabit the oceans of the world are among the most fascinating and...

Aquarium ownership is a hobby that's not only educational, but therapeutic as well. Freshwater aquariums contain animal and plant life that are found in fresh water sources, and saltwater...

Saltwater fish live in a natural environment where the levels of salt are much higher than they have in their bodies. Because salt is an agent that attracts and draws out water, the surrounding...

Phytoplankton are floating plant and algae organisms that live in oceans. They are a subset of plankton, which is a group of small plants and animals. Phytoplankton generally live for a short...

Changing fish tank rocks, substrate or gravel, simply leave the fish in the aquarium and scoop out the used gravel into a container with an aquarium net. Discover why gravel should be rinsed...

Before cleaning a saltwater fish tank, it's important to have replacement water pre-made beforehand so that the salinity is correct. Learn about unplugging filtration when cleaning a saltwater...

In order to change the carbon in an aquarium filter, it's important to know if the filtration system is a power filter, canister filter or a wet/dry filter. Learn about replacing cartridges on...

Fish tanks with sand bottoms generally stay cleaner than gravel-bottom aquariums because debris doesn't fall between the particles as easily. Find out how to stir the sand and vacuum up debris...