Triggerfish as a popular marine aquarium fish
The triggerfish is a spiny critters
Marine triggerfish are fish from the squad gloryholesex synorogenic family, numbering about 40 species. These fish are found in almost all tropical and subtropical zones of the oceans, on shores and coral reefs. The triggerfish stringent fish are territorial, like to live alone and protect permanent dwelling place. Are considered most beautiful species of triggerfish the Picasso and clown triggerfish, which has an interesting and original coloration.
A clown or krupnojacheistye
The triggerfish belong to the fish of an average size in aquarium conditions the maximum length of their rounded-diamond-shaped body does not exceed 30 cm Fish has a large elongated head that tapers to the lip. A small mouth but with full lips and big teeth, arranged in 2 rows, the top row of teeth 8 and the bottom 6. Eyes rather large, located high up and are almost back, they are not interdependent.
The special structure of the dorsal fin, through which the fish got its name. This fin consists of spiny rays, two of which are sharp spikes. Short rear spike rests in a long front spike in a dangerous situation, the fish instantly raises them as protective weapons. The pectoral fins are of medium size, high, using their trigger move. The caudal fin is usually rounded, in some species with lyre-shaped elongated filaments, fish use it for a dramatic offensive push. The tail also includes anal and rear dorsal fin.
In the ventral fins of the triggerfish also have prickly thorns hidden in a special pocket. At night or when danger threatens the fish that squeeze into crevices, resting on the wall of their spines. The triggerfish also have the ability to emit a snorting or grunting sounds with their swim bladder. The triggerfish is not observed sexual dimorphism, males and females have the same structure and color.
Triggerfish can be easily distinguished among other marine life not only during life but also after their death, as these fish have very hard scales, more like bony plates. After the death of fish soft tissues decompose inside the frame that retains its shape for a long time.
Picasso or aculeate
All species of triggerfish in its own beautiful and original in their color is dominated by black and white colors, gray, blue and orange. Especially attractive are some colorful species, clown triggerfish and Picasso spinaloga.
Krasnopolye triggerfish also has another name — the black triggerfish, has a dark blue color and a mouth with teeth red hue. The tail resembles a two-pronged fork with sharp ends. Titanium triggerfish or blue-fin balistol is the largest representative of these fish, in nature can reach up to 1 meter. Fish has a strong immune system and it can adapt to different habitat conditions. The owner of the most modest color is gray triggerfish gray-yellow or greenish with a large diffuse dark spots. Gray triggerfish are not common in aquariums because of their dim colors and large sizes, reaching up to 60 cm.