tailieunhanh - The Complete Aquarium Guide - Part 3

These are distinguished by spiny spokes which secrete a venomous substance. A prick is painful for an aquarist, although not as much as one caused by a lionfish (but it is still advisable to consult a doctor). These small-mouthed fish are herbivorous. | ZANCLIDAE SIGANIDAE These are distinguished by spiny spokes which secrete a venomous substance. A prick is painful for an aquarist although not as much as one caused by a lionfish but it is still advisable to consult a doctor . These small-mouthed fish are herbivorous. Siganus Several of these species are commercially available. The peaceful rabbitfish graze algae in the decor but also accept small pieces of animal food. When they are frightened they take refuge in the hiding places that are indispensable for these fishes. Size 20 cm. Lo vulpinus Hardy and easy to acclimatize the foxface feeds on small live prey and vegetable material. It will accept mussel pieces but what it really relishes is ground spinach. It is placid but active and needs room to swim along with somewhere to hide. Size 20 cm. ZANCLIDAE The Zanchlids have a very compact body one of the spokes of the dorsal fin is extended in a fine filament. Considered fragile and delicate they feed on small live prey and can sometimes attack invertebrates corals worms . Even if their form suggests otherwise they are closely related to the Acanthurids although unlike these they do not have a spine on the caudal peduncle. These fish are sensitive to chemical treatments and can die suddenly without any apparent reason. In their native habitat the Indo-Pacific region they are respected and even sometimes venerated by local fishermen who often return them to the sea. Zancluscanescens The Moorish idol normally feeds on algae and sponges. In captivity it must be given a wide range of food so that it can make its own choice. It does not tolerate the presence of other Zanclids. Z. cornutus is considered a closely related species but is distinguished by the absence of small spines in front of the eyes. Size 25 cm. 149 MARINE FISH ACANTHURIDAE TANGS ative to the tropical waters of the Indian and Pacific oceans the tangs are less common in the Atlantic ocean. An upright spine on the caudal peduncle has earned them the .