Neha Patil (Editor)

Grass goby

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Kingdom  Animalia
Subfamily  Gobiinae
Phylum  Chordata
Order  Perciformes
Family  Gobiidae
Higher classification  Zosterisessor
Rank  Species
Grass goby wwwistitutovenetoorgveneziadivulgazionepirell
Genus  Zosterisessor Whitley, 1935
Scientific name  Zosterisessor ophiocephalus
Similar  Goby, Black goby, Mesogobius batrachocephalus, Gobius, Rock goby

The grass goby (Zosterisessor ophiocephalus) is a species of goby native to the Mediterranean Sea, the Sea of Azov and the Black Sea. It is currently the only known member of its genus.

Contents

Grass goby F112 Grass Goby Zosterisessor ophiocephalus Illustration Fish

Characteristic

Grass goby Grass Goby Red Data Book of Bulgaria

Grass Gobies can grow up to 25 centimetres (9.8 in) long. The head crown, nape, throat, belly and base of the pectoral fins are covered by cycloid scales and the gill covers are nacked. The abdominal sucker has no blades and does not reach the anus. The mandibula are protrusive, and the skin soft, with mucous. The coloration is green-brown, patterned with merging brown spots. The cheeks have round light spots. The dorsal, caudal, and pectoral fins have longitudinal brown stripes on a light background; the anal and abdominal sucker are dark.

Range

Grass goby Grass goby Wikipedia

Widespread in coastal waters of all seas of the Mediterranean basin. Especially numerous in the northern Adriatic Sea, Venetian Lagoon and S├Ęte Lagoon (France). In the Black Sea near all coasts, especially in lagoons and estuaries of the north-west, Varna and Burgas Bays, Sea of Azov, and Sivash. Mentioned for the Dniester River delta.

Feeding

Grass goby Grass goby Wikipedia

Up until age two Grass Gobies feed only on crustaceans, after which they start to eat fish. In Tuzly Lagoons they first feed on gammarids Gammarus lacustris (94%), and Idotea balthica (6%) followed by fish like the big-scale sand smelt (30%) and gobies (36%). Shrimp Palaemon adspersus also play an important role.

Parasites

Grass goby Zosterisessor ophiocephalus Grass Goby

27 parasite species are known from the grass goby near the Crimean coasts. The acanthocephalans Acanthocephaloides propinquus are most numerous. In the north-western Black Sea this fish has 13 parasite species. Except for the aforementioned A. propinquus, another acanthocephalan, Telosentis exiguus, is very numerous. Both are Mediterranean immigrants such as their host, the grass goby. Also, the Ponto-Caspian cestodes Proteocephalus gobiorum and monogeneans Gyrodactylus proterorhini were very numerous. In the Budaki Lagoon the grass goby is a host of larvae of epizootic nematode Streptocara crassicauda.

Importance

The grass goby is a dietary item for some commercial fishes, such as the toad goby. In the Sea of Azov it is used for food by the harbour porpoise.

The grass goby is commercial fish in the Black Sea and the Sea of Azov, the Molochnyi Estuary, Tuzly's Lagoons and in the Sivash.

References

Grass goby Wikipedia


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Black goby
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