Grass goby

Grasgrundel ( Zosterisessor Ophiocephalus )

The Grasgrundel ( Zosterisessor Ophiocephalus ) is a species of the family of gobies, the most species-rich family of marine fish. Both the German and the scientific naming refers to the preference of this goby of the genus Zostera seagrass for habitat. She lives in the brackish waters of estuaries and lagoons on mud and sea grass meadows in European waters on the shores of the Mediterranean Sea, the Azov and Black Sea, and comes in depths up to 30 m in front.

Features

The gobies are 18 to 22, up to a maximum of 25 cm long and have an elongated, low body. The body height is contained 6 ½ times in total length. The head is long and includes 4 ½ times in total length. The viewing distance corresponds to eye diameter. Neck and abdominal region are scaly, the operculum is beschuppt unbeschuppt or only at the top. The tail fins stem is longer than high. The Grasgrundel is greenish brown and shows in the upper half of the body wavy transverse bands and dark spots along the middle of the page. A black Felck located on the tail fin base. The sides of the head and pectoral fins approach is white spotted. The unpaired fins and the pectoral fins have a dark dot rows.

• Fins formula: Dorsal 1 VI, dorsal 2 I / (13 ) 14-15 (16) Anal I / (11 ) 12-15 (16).
• Dandruff formula: MLR 51-70.

The pectoral fins are large, their upper fin rays often extended thready. The pelvic fins are small, rounded and the typical gobies funnel membrane is well developed.

Reproduction

Grasgrundeln multiply from March to May For this, the male builds a nest among dense plant canopies and spawns there in succession from 5 to 10 females. A nest may contain 150000-300000 eggs.

Use

Be Grasgrundeln mostly with traps mainly in the Black Sea, fished ( in Chioggia, for example in the lagoon of Venice) in Sywasch and in other lagoons.