Sea anemone
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ÀWhat it is an anemone?
anemones, also known as Anemone, are invertebrates belonging to the order of the hexacorals antozoos which tend to be differentiated sea animals capable of adhering to the substrate (in the case of anemones reef), the rocks, the area and even the shell of shellfish. Quite similar to a striking plant, Many people are unaware that this really is an animal. Nevertheless, of these solitary polyps there are less 1,200 described species in the world. The extraction of these species habitat as decorative element characteristic of large marine aquarium It has more and more followers, becoming one of the most popular exotic marine animals among lovers of the ocean.
Description and characteristics of anemones
Aspect plant and colors ranging from pink, red and orange, Actin has multiple tentacles that move resembling the sway of marine flora, That is why it is often confused with a plant, However, this slight mobility has to do with checking and analysis of space, and it is precisely why it can identify potential prey through movement and temperature changes in the water. This analysis is made possible by a purple complex sensors to perceive the world around and hunt for food, although They do not have specialized sensory organs like eyes, ears or tongue. Your nervous system, although primitive, It is responsible for coordinating all processes involved in homeostasis including physical and biochemical responses to any stimulus. Have elongated cylindrical bodies can be smooth on its outer wall or have some protuberances, provided along with a gelatinous layer called mesogloea that serves to develop an amazing plasticity and flexibility; feature used to shrink or stretch, resist the strong currents, and of course, remain fixed in place on the water. Although the sea anemone It is related to jellyfish and corals, It is properly a sea animal. Some research made by magazine Genome Research suggests that according to its genetic code, Anemone is half done plant, due to the similarity found in their regulation of gene expression known as microRNAs. This incredible animal well He lives in mutualism with various species such as clownfish, undoubtedly his most famous relation. Clownfish is naturally covered by mucous which gives immunity stinger Anemone, so you can hide among its tentacles to escape predators, and in return, Anemone advantage leftover food that can supply the clownfish.
Varieties of sea anemones
Some varieties of sea anemones are most popular:
Distribution and habitat
- Easytest with 50 test strips water.
- Strips for analysis 6 important water values in 1 minute.
- nitrites (NO2) de zero a ten mg/l.
- Measure the pH of 6,4 a 9,0.
The sea anemone can have various forms which differ in their appearance and in the place they inhabit. So that, we can find a kind of small anemone that can measure between 2 Y 5 cm, whose habitat are preferably rock walls with sufficient lighting they found to 5 meters from the surface, in addition to other anemone, what, but also it adheres to rock formations lit, It can be found in waters up 25 meters deep and can measure 50 cm or more. La actinia It found in all oceans with different distribution, Nevertheless, as many species have been observed in The Great Barrier Reef in Australia and in the waters of the Mediterranean Sea.
Anemones in the aquarium
Although they are very attractive, Anemones are definitely not recommended for those beginning marine animals to build your own aquarium, because they require some special care. Its large size is right for your aquarium should have at least four liters the hundred capacity, further, to include a actinia it is recommended that the aquarium have a working year and possessing very good lighting. The temperature of the water should be maintained between the 26-27 ºC con un Ph 8.3 (max) and a density of 1.020.
Anemone Sting
Most sea anemones are harmless, However, there are cases of people who have been bitten by a sea anemone. The amount of toxin that are able to inject not considered hazardous to humans, except in cases of allergy tested, sting can also be treated with conventional first aid and some hot water in the affected area.
ÀWhat eat sea anemones?
An important part of the diet of fish are actinias, but they can also eat other unsuspecting creatures like zooplankton, worms, larvae and crustaceans. Its large polyps allow them to swallow large prey, even bigger than them, which poison injecting immobilized as they approach. They can eat at any time provided they have the chance, but if they do not find food, They could die and they can not move.
Reproduction
While Some species are hermaphrodites actinia, other sexes have separate leading to asexual or sexual reproduction. Through an intricate process known as lateral fusion, Sea Anemone can carry out their asexual reproduction, where internally, exact same portion of it which is ejected to the outside through a side opening will be incubated. Instead, in sexual reproduction, the sperm and eggs will be scattered in the water in which fertilization will occur once they encounter each other. These stages, only a small amount of zygotes anemone survive to reach maturity, clinging to rock formations enough presence of light to survive and those who get it, They can live around 50 years or more.
Photographs of sea anemones
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