Page 220 - Encyclopedia of Aquarium and Pond Fish, 3rd Edition
P. 220

218    MARINE FISH: MAINTENANCE

         Food and feeding




         Providing your fish with a balanced, healthy diet
         demands a little research. It is vital to establish not only
                                                           FEEDING INVERTEBRATES
         the dietary preferences of each species but also the way
         in which it feeds. Some, for example, feed only on   SESSILE FEEDERS
                                                           Some invertebrates, such as the Flowerpot
         floating foods, while others will feed exclusively from   Coral shown here, spend their lives
         the substrate. Today, there are commercially prepared   attached to rock and cannot move to
                                                           reach food. Consequently, they must be
         marine foods that suit all feeding styles and meet the   offered food in their immediate vicinity.
         requirements of almost every species.             MOBILE FEEDERS
                                                           Invertebrates that can move to seek food
                                                           will eat a varied diet, and even scavenge
         Marine fish naturally seek food at different levels in the    on food provided for aquarium fish.
         water. In the surroundings of the coral reef, this prevents   The starfish pictured here has
         direct competition for food from other fish and allows each   engulfed a pile of mussels.
         fish to occupy its own space without conflict. Some species
         are confident and will feed in open water or on the seabed.
         Others eat algae from the rocks or hide within crevasses   day. These diverse feeding strategies are also evident in the
         waiting for an opportunity to emerge. Herbivorous fish    aquarium and must be addressed if the fish are to thrive.
         spend much of their time browsing to meet their    Suppliers of aquarium fish are able to offer advice on the
         nutritional needs, while                         optimum feeding strategies for each species.
         predatory species, such as
         eels, may not feed every                         Sources of food
                                                          Some reef fish are opportunistic and eat a variety of foods in
                                                          the wild. This is useful to the aquarist because these species can
                                                          also be persuaded to eat a varied diet in the tank. However,
                                                          their diet should be underpinned by a commercially prepared
                                                          staple food, which will ensure that they get the correct mix of
                                                            vitamins, minerals, proteins, and carbohydrates that is

                                                                                 Sea horses are specialist feeders and
                                                                                 need to be provided with a regular supply
                                                                                 of live brine shrimp larvae (shown here)
                                                                                 in aquarium surroundings.

























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