Like many animals living on land, the denizens of the deep need in each other. These bright yellow fish offer their services to many beings sharing their marine habitat.
Sea turtle, that serve fish-shiners or yellow zebrasoma. Photo: Doug Perrine
In the photos, made famous 59-year-old photographer-naturalist Arcs by Perrin (Doug Perrine) near the Hawaiian Islands, depicts a sea turtle, that serve these fish-shiners or yellow zebrasoma (Zebrasoma flavescens).
Sea turtles, like other inhabitants of the seas, you must regularly clean yourself from fungi, different organisms, harmful parasites or algae settling on them. However, they can’t do it yourself, so use the services of these bright yellow fish.
Fish-the cleaner can easily cope with this problem. For some fifteen minutes, it is fully possible to clean the tortoise shell. — Both parties benefit from such relationships, says the photographer, — One finds food, the other gets rid of the algae that had settled on her armour, and the armour makes it more streamlined. Continue reading
I think, in the Black sea swam many of our readers, and more — just heard about it. Indeed, the Black sea is one of the most interesting (and beautiful) seas in the world, including their historical significance.
1. In the Black sea is a very interesting distribution of currents. Two major currents, and that’s a huge cycles with a wavelength of about 400 kilometers. In honor of the scientist who discovered these currents, called them “Glasses of the Knipovich”.
In addition, in the Black sea inhabited only the upper layer of the water column. All because at the bottom of the sea huge amounts of hydrogen sulfide, rising and middle layers.
Life occurs to a depth of about 150-200 meters, and then, as has already been mentioned — hydrogen sulfide. It reacts with iron, attached to the anchors ancient mariners black. Maybe that’s why the Black sea got its name. Continue reading
Wels catfish (Silurus glanis) large fish, reaching 5 m length and 300 kg weight, inhabiting rivers and lakes of Europe from the Rhine to the East. To the North of the som is to the South of Finland, South to Asia Minor, the Caspian and Aral seas and flowing into their rivers. No catfish in the rivers of Siberia. There is no com also in England, in the Iberian Peninsula, in France, Italy and Western Greece. Soma colour variable, usually olive-green, almost black back, white belly, flanks irregularly shaped spots. Small reed form, inhabiting the southern part of the Aral sea, intensive black. Dorsal fin catfish in a tiny, barely noticeable, no fatty fin, but the anal is very long. The upper jaw bears two long whiskers on the bottom is four short. Huge mouth soma gives away the predator. Really, catfish— a voracious predator that eats small fish, frogs, large bivalves. There were cases of attacks soma a water bird swims and the river dogs. Still, the voracity of the catfish greatly exaggerated. Usually catfish are holding in the Continue reading