Skates killer?

Some species, such as electric or parejnok thornback ray, may issue a strong electrical discharge of the voltage to 300 V. discharge either prevents, or is used for hunting to stun prey.

We have to be afraid of?

It follows that the series of rays is not aware of any type, which stormed to humans as a potential prey - if only because not that many live on smaller animals. The weapon, which are equipped with trnuchy, therefore toxic thorn at the end of the tail,during the long development of the improved defense and deterrence. The question is, what will the animal feel threatened and when will actively defend it.

Some divers have been reported cases where trnucha polekala neopatrneho rapid movement and the tail of a targeted hit. The wound caused by the tail barbs and, moreover, impregnated with poison, it is very painful and wrong is hoji. Diver can only graze on the thorn, when trnuchu burial in sand, clear, or it may frighten trnucha and actively go to its defense, and the divers themselves or trnuchu attract sand, because the visible rays suspended in water is an unforgettable experience and are therefore gladness object underwater photographers and cameramen.In particular, trnucha modroskvrnna is beautiful and may even have the lenses as well as feed.

Hard to say what exactly happened in early September in Port Douglas. What is certain is that the crocodiles hunter Steve Irwin from his last voyage as a natural historical hunter rays back.

Hana Langerova

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