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3 Fish biology and anatomy Биологија и анатомија на ... - UNDP

3 Fish biology and anatomy Биологија и анатомија на ... - UNDP

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RECORDED ALIEN SPECIES ПОРАНО ЗАБЕЛЕЖАНИ ВНЕСЕНИ ВИДОВИ SPECIET E HUAJA TË REGJISTRUARA ΚΑΤΑΓΕΓΡΑΜΕΝΑ ΞΕΝΑ ΕΙΔΗ<br />

Hypophtalmichthys molitrix<br />

SILVER CARP<br />

ТОЛСТОЛОБИК<br />

BALLGJERI I BARDHË<br />

ΑΣΗΜΟΚΥΠΡΊΝΟΣ<br />

An alien species that belongs to the<br />

Cypridae family. This species is native<br />

to East Asia from Amur to Xi Jiang River.<br />

Introduced around the world for aquaculture<br />

<strong>and</strong> control of algal blooms <strong>and</strong> it<br />

has been introduced to most European<br />

basins. It is found in rivers with marked<br />

water-level fluctuations <strong>and</strong> over winters<br />

in middle <strong>and</strong> lower stretches. They forage<br />

in shallow (0.5-1.0 m deep) <strong>and</strong> warm<br />

(over 21 ο C) backwaters, lakes <strong>and</strong> flooded<br />

areas with slow currents. They spawn in<br />

rivers or tributaries over shallow rapids<br />

with gravel or a s<strong>and</strong>y bottom, high current,<br />

turbid water <strong>and</strong> temperature above 15 ο C<br />

(usually 18-26 ο C).<br />

The species was introduced during the<br />

1980’s into Macro Prespa from nearby<br />

fish farms.<br />

Претставува внесен в<strong>и</strong>д кој пр<strong>и</strong>паѓа<br />

<strong>на</strong> семејството крапов<strong>и</strong> – Cyprinidae.<br />

Потекнува од Источ<strong>на</strong> Аз<strong>и</strong>ја, каде се<br />

среќава во подрачјето помеѓу реката<br />

Амур, па сé до Б<strong>и</strong>сер<strong>на</strong>та Река (Жу<strong>и</strong>јанг).<br />

Во светот се воведува за потреб<strong>и</strong>те <strong>на</strong><br />

аквакултурата, како <strong>и</strong> за контрола <strong>на</strong><br />

„воден<strong>и</strong>от цвет“. Внесен е <strong>и</strong> во повеќето<br />

Европск<strong>и</strong> сл<strong>и</strong>вов<strong>и</strong>. Се среќава во<br />

рек<strong>и</strong> со в<strong>и</strong>дл<strong>и</strong>в<strong>и</strong> флуктуац<strong>и</strong><strong>и</strong> <strong>на</strong> н<strong>и</strong>вото<br />

<strong>на</strong> водата, а през<strong>и</strong>мува во средн<strong>и</strong>те<br />

<strong>и</strong> н<strong>и</strong>ск<strong>и</strong> речн<strong>и</strong> токов<strong>и</strong>. Во потрага по<br />

хра<strong>на</strong> се јавува во пл<strong>и</strong>тк<strong>и</strong> (0.5 – 1.0 m<br />

длабоч<strong>и</strong><strong>на</strong>) <strong>и</strong> топл<strong>и</strong> (<strong>на</strong>д 21 ο C) застоен<strong>и</strong><br />

вод<strong>и</strong>, езера <strong>и</strong> поплавен<strong>и</strong> површ<strong>и</strong>н<strong>и</strong> со<br />

слаба вод<strong>на</strong> струја. Толстолоб<strong>и</strong>кот се<br />

мрест<strong>и</strong> во рек<strong>и</strong> <strong>и</strong>л<strong>и</strong> пр<strong>и</strong>ток<strong>и</strong> со пл<strong>и</strong>тк<strong>и</strong>,<br />

брз<strong>и</strong> <strong>и</strong> со камен <strong>и</strong>л<strong>и</strong> песок прекр<strong>и</strong>ен<strong>и</strong><br />

д<strong>на</strong>, с<strong>и</strong>лн<strong>и</strong> водн<strong>и</strong> стру<strong>и</strong>, заматен<strong>и</strong> вод<strong>и</strong><br />

<strong>и</strong> температура <strong>на</strong>д 15 ο C (воб<strong>и</strong>чаено<br />

18-26 ο C). Овој в<strong>и</strong>д е воведен во<br />

Преспанското Езеро од околн<strong>и</strong>те<br />

р<strong>и</strong>бн<strong>и</strong>ц<strong>и</strong> во осумдесет<strong>и</strong>те год<strong>и</strong>н<strong>и</strong>.<br />

Është një specie e huaj që i takon familjes<br />

Cyprinidae. Kjo specie është autoktone<br />

në Azinë Lindore prej lumit Amur deri të<br />

lumi Xi Jiang. Është futur në terë botën<br />

për kulturë ujore dhe kontroll të lulëzimit<br />

të algave dhe është futur shumicën e<br />

baseneve të Evropës. Gjendet në lumenjtë<br />

me luhatje të dukshme të nivelit të<br />

ujit dhe gjatë dimrit në shtrirjet e mesme<br />

dhe të ulëta të lumenjve. Ushqehet në<br />

moçalishte të cekëta (0.5-1.0 m thellësi)<br />

dhe me temperaturë (mbi 21 ο C), liqene<br />

dhe zona të përmbytura me rryma të<br />

ngadalshme. Ato i hedhin vezët e tyre në<br />

lumenj dhe ujëra prurës mbi cekëtina të<br />

rrymave të shpejta me fund zhavorri ose<br />

rëre, rryma të larta, ujëra të turbullt dhe<br />

me temperaturë mbi 15 ο C (zakonisht 18-<br />

26 ο C).<br />

Kjo specie u fut në Prespën e Madhe<br />

gjatë viteve 1980-ta prej fermave të peshkut<br />

në afërsi.<br />

Ξενικό είδος που ανήκει στην οικογένεια<br />

Cyprinidae. Ιθαγενές στην Ανατολική<br />

Ασία από τον ποταμό Amur έως τον<br />

ποταμό Xi Jiang. Εισήχθη σε όλο τον<br />

κόσμο για υδατοκαλλιέργεια και έλεγχο<br />

των πληθυσμών των φυκών και στις<br />

περισσότερες λεκάνες στην Ευρώπη.<br />

Βρίσκεται σε ποταμούς με χαρακτηριστικές<br />

αυξομειώσεις στάθμης και το χειμώνα<br />

σε μεσαία και χαμηλά τμήματα αυτών.<br />

Τρέφεται σε ρηχά (0.5-1.0 m βάθος)<br />

και ζεστά (πάνω από 21 ο C) νερά, λίμνες<br />

και πλημμυρισμένες περιοχές με χαμηλά<br />

ρεύματα. Εναποθέτει σε ποτάμια ή<br />

παραπόταμους πάνω σε χαλικώδες ή<br />

αμμώδες υπόστρωμα, υψηλή ροή, θολά<br />

νερά και με θερμοκρασίες πάνω από 15 ο C<br />

(συνήθως 18-26 ο C).<br />

Εισήχθηκε στη Μεγάλη Πρέσπα τη<br />

δεκαετία του 1980 από γειτονικές<br />

ιχθυοκαλλιέργειες.<br />

135

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