Fish Fauna from Freshwater Danube Delta
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2023-05-22 17:58
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NĂSTASE, Aurel. Fish Fauna from Freshwater Danube Delta. In: MONITOX International Symposium “Deltas and Wetlands”, 15-17 septembrie 2019, Tulcea. Tulcea, România: C.I.T.D.D. Tulcea, 2019, p. 52. ISBN 978-606-8896-00-7.
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MONITOX International Symposium “Deltas and Wetlands” 2019
Simpozionul "MONITOX International Symposium “Deltas and Wetlands”"
Tulcea, Romania, 15-17 septembrie 2019

Fish Fauna from Freshwater Danube Delta


Pag. 52-52

Năstase Aurel
 
Danube Delta National Institute for Research and Development
 
Disponibil în IBN: 25 martie 2020


Rezumat

In Danube Delta Biosphere Reserve there were identified 137 fish species inside of Animal Kingdom, Phyllum Chordata, Subphyllum Vertebrata, belonging of 3 Classes (Actinopterygii bony-fish which are mostly, Petromyzontida-lampreys species accidentally in the area and Chondrichthyes-sharks species) and 20 Orders, 45 Families, representing about 75 % romanian fish fauna, clasified in: - 128 native fish species:  51 freshwater fish (including Carassius gibelio and Cyprinus carpio considered to be native to Danube delta after long debates)  21 euryhalin species divided into: 12 euryhalin halfmigratory or expansion species like gobiids, aterina and 9 migratory fish species: anadromous like shads, sturgeons and catadromous like eel)  56 exclusively marine fish species (probably much more in number considering other 69 species are around in Black Sea basin waiting to enter in Danube Delta Biosphere Reserve limits). Some of them enter in freshwater gulfs for feeding like young mullets. - 9 exotic non-native fish species: 8 freshwater fish species and 1 marine fish species (Mugil soiuy). In the Lower Danube River (from Black Sea river mouths until to Iron Gates) are cited 77 fish species, but in Danube delta arms and connected running waters was caught 66 species. Totally freshwaters of Danube Delta Biosphere Reserve present 82 fish species including freshwater and euryhaline species (anadromous, catadromous migratory or half-migratory fish species) and sometimes in freshwaters gulfs or paramarine lakes enter some marine species. Ofcourse, some freshwater fish species can penetrate Black Sea brackishwater.