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Fish & Invertebrate Care Basics

As the owner of a saltwater aquarium or a reef tank, you are the caretaker of the fish and invertebrates that are kept in it. Here is information on selecting, buying, adding, feeding, moving, compatibility, diseases and other fish and invertebrate care topic basics that are important to know about when keeping saltwater animals.
  1. Acclimation Methods (12)
  2. Breeding Fish & Inverts (8)
  3. Buy/Select Fish & Inverts (22)
  4. Common Aquarium Pests (52)
  5. Compatibility Issues (7)
  6. Coral Diseases & Health
  7. Coral Profiles & Pictures
  8. FAQs & How To's
  9. Fish Disease & Health
  10. Fish Profiles & Pictures
  11. Foods & Feeding Issues (48)
  12. Human First-Aid Help! (9)
  13. Invert Profiles & Pictures
  14. Poisonous Species Profiles (16)
  15. About Quarantining & QTs
  16. More Marine Life Resources (10)

Reef Tank Safe Angelfish
Even dwarf species angelfishes kept in a small reef can cause noticeable damage to various types of corals, but when kept in a large reef tank they are considered by many aquarists to be "reef safe". Here are some of the best choices when it comes to picking small and medium angels for a suitable sized reef system.

Purchasing Saltwater Aquarium Fish
Tips from your About Guides to Saltwater Aquariums on what to look for when buying a new saltwater aquarium fish for your tank community.

Saltwater Aquarium Fish Compatibility Chart
This Saltwater Aquarium Fish Compatibility Chart will give you an idea of which fish can be placed in a marine aquarium and be expected to get along, or not.

Fish & Invertebrate Acclimation Methods
Before you buy new fish, invertebrates or other marine life for your saltwater aquarium, it is important to their well being that you first know how to properly acclimate them into their new home. Browse this list of procedures and other acclimation information to learn about the many ways this can be done.

The Importance of Accurate Species Identification
It is not unusual to see marine fishes and invertebrates for sale in stores displayed only by common names, with no Latin, or what are known as scientific names posted. Why is this important? One problem with identifying marine animals properly is that many similar or look alike species are tagged with the same common name, which leads to their...

Guide Fish & Invertebrate Profiles
From Angelfishes to Wrasses, Anemones to Starfishes, Crabs to Shrimp, view photos and read identification, characteristic and compatibility, diet and feeding, and more profile information about the captive care of saltwater aquarium fish, invertebrates, and crustaceans compiled by your Guides.

FAQ - My Fish Looks/Acts Weird - What's Wrong With It?
Many aquarists can't see anything really wrong with their fish and ask "My Fish Looks/Acts Weird - What's Wrong With It?"

FAQ: How Often Should I Feed My Fish?
How often should your fish be fed, anyway? Once per day? Twice? Every two or three days? Feed too often and a lot of the food wil just end up on the bottom, creating even more nitrates. Not often enough, the health of your fish will suffer.

The Importance of Accurate Species Identification
All too often when shopping for saltwater fish and invertebrates they are "tagged" with general common names. Find out why knowing the latin or scientific names of saltwater animals to properly identify them is of the utmost importance to their well being.

What The Heck Is That In My Aquarium?
What are those little white dots growing on my aquarium glass? What are those little white bug-like things swimming around my tank? Is it a bristleworm, shrimp, plankton, anemone, urchin, copepod, amphipod, starfish, worm, parasite or some other organism? Is it going to hurt my aquarium?

New Tank Syndrome Causes & Solutions Table
Here is an easy to use Cause and Solution table to help you determine what caused and the solution for your "New Tank Syndrome".

What is New Tank Syndrome?
From your About Guides Featured Articles Archive, this syndrome can occur whether you have a new tank or a well established one. Find out what causes New Tank Syndrome and how to avoid it.

Reef Safe Fish For Your Saltwater Reef Aquarium
Not all fish are "reef safe". Many of them will tear up corals, consume fish and otherwise destroy other tank inhabitants. The fish species listed here are some (not all by any means) generally considered by experienced reef tank keepers to be safe for reef tanks.

Reef Safe Invertebrates
Not all invertebrates are "reef safe". Many of them will tear up corals, consume fish and otherwise destroy other tank inhabitants. The invertebrates listed here are some (not all by any means) generally considered by experienced reef tank keepers to be safe for reef tanks.

Saltwater Ich - What is it, how do I treat it?
Saltwater Ich is one of the most common diseases found in saltwater aquariums. Detecting and treating early can limit the damage.

Tips for Buying Livestock
Understanding the different levels of care that various fish and invertebrate species require can be difficult, but by following a few simple guidelines to begin with, half the battle can be won at the onset of buying new livestock.

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