The Reef Stonefish

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During a dive in the coral reef of Sharm El Sheikh I met the Reef Stonefish that by now has become quite rare and difficult to find. I was lucky, so I took the opportunity to make this short video. As you can see, he is in his den waiting to be able to catch some prey passing by taking advantage of his great camouflage capacity. Pesce Pietra Synanceia Verrucosa Reef Stonefish intotheblue.it

Synanceia verrucosa is a fish, in the order Scorpaeniformes, Synaceiidae family, species known as the Reef Stonefish. It is a carnivorous ray-finned fish with venemous spines. It lives on reef  bottoms camouflaged as a rock. It is the most venomous known fish in the world. It can be lethal to humans.

This stonefish is usually brown or gray, and it may have areas of yellow, orange or red. This species reaches up to 30–40 centimeters long; a specimen of 51 centimeters has been recorded. This stonefish lives primarily above theTropic of Capricorn. It is the most widespread species in the stonefish family, and is known from shallow tropical marine waters in the western Pacific Ocean  and the Indian Ocean, ranging from the Red Sea and coastal East Africa to French Polynesia and southern Japan.

There is also evidence showing that S. verrucosa occurs in the far eastern Mediterranea Sea, either through release of aquarium specimens or Lessepsian migration via the Suez Canal. The first documented individual was an adult that was captured in 2010 near Yavne,Israel. This fish lives in coral reefs. It may settle on and around rocks and plants, or rest on the seabed.

The reef stonefish eats mostly small fish, shrimp and other crustaceans.

The primary commercial significance of this stonefish is as an aquarium pet. It is also sold for meat in Hong Kong markets. It is consumed in the Philippines, especially in Chinere restaurants and in Japan.

The reef stonefish is the most venemous fish in the world. Its dorsal area is lined with 13 spines, each of which has two venom sacs. The spines are sharp and stiff and have been known to pierce boot soles.

Effects of the venom include severe pain, shock,paralysis, and tissue death. A large dose can be fatal to humans, generally young children, the elderly, and those with weakened immune systems. Medical treatment includes the antivenom. A local anestetic can reduce the pain.First aid includes immersion of the affected limb in hot water; this is thought to help denature the proteins in the venom. The immobilization of venom at penetration site using a tourniquet or firm constrictive bandaging is no longer recommended. Surviving victims may have nerve damage, which can lead to local muscle atrofy.

The venom consists of a mixture of proteins, including the hemolytic stonustoxin, the proteinaceous verrucotoxin, and the cardiotoxic cardioleputin. Pesce Pietra Synanceia Verrucosa Reef Stonefish intotheblue.it

(extract from Wikipedia)

Informazioni sull'autore / About the author:
Stefano ha scritto / wrote 52 articoli / Posts.
Questo articolo è stato scritto il / This article was written on 18/10/2019
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