Piper gurnard

Leierknurrhahn ( Trigla lyra )

Called The Leierknurrhahn ( Trigla lyra ) or lyre Hahn is a species of the subfamily of the Real gurnard ( Triglinae ) in the family of gurnard ( Triglidae ) and the only member of the genus Trigla.

Occurrence

The Leierknurrhahn lives on sandy bottom in water depths of up to 400 meters. He comes in the Mediterranean and eastern Atlantic to the Channel coast than the northern border before; North of Britain and the North Sea to the coast of Namibia. In the Black Sea to the lyre cock can not be found.

Features

Typical of the genus Trigla missing large, ossified signs at the sidelines of the Leierknurrhahns. In addition, the scales of the lateral line are unbestachelt. For this, the tip of the snout is provided with two serrated plates between which there is a tiefgegabelter incision. The length of the Leierknurrhahns is usually 25 to 40 cm, but may also reach up to 50 cm. The fish has a red color, while its first dorsal fin and pectoral and ventral fins are blue margins. Overall, he has two dorsal fins. The muzzle is extended by two separate lobes plate forward. In addition, the side plates of the head are provided with long spines, one of which extends to half the length of the pectoral fin. This Knurrhähneart also characterized by its long pectoral fins, which reach to the first third of the anal fin. The three anterior rays of the pectoral fins are free radiation that act as free flexible "feet " as with all Knurrhähnen. This enlarged rays or spines are also used as a probe on the ocean floor and are equipped with taste buds.

Way of life

The Leierknurrhahn lives on the ocean floor and moves with the help of his "feet " away. At the end of each 3 -free finger-like pectoral fins are taste buds, with the help of prey can detect. It eats crustaceans, mollusks, and small fish. With the help of well-developed swim bladder of Leierknurrhahn how each gurnard, growling sounds can produce under water. The Leierknurrhahn spawns in winter and has planktonic eggs.