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Forumul pasionatilor de scufundari din Romania • View topic - UN THREAD DESPRE FLORA SI FAUNA

UN THREAD DESPRE FLORA SI FAUNA

Fotografie, filmari, vanatoare, etc....!!!

UN THREAD DESPRE FLORA SI FAUNA

Postby VALI » Tue Apr 11, 2006 2:09 pm

Ash dori daca se poate sa deschidem shi sa sustinem aici un thread de discutii shi eventual imagini despre flora si fauna subacvatica....fie ea din marea noastra sau din alte mari....fie ea de apa dulce sau de apa sarata sau salmastra...
o sa am rugamintea ca cei care posteaza comentarii si/sau explicatzi sa incerce pe cat posibil sa atasheze shi imagini
o imagine face cat 1000 de cuvinte shi ma gandesc ca fara ea totu ar fi mult mai sarac
...they say scuba-divers go into the deep to look arround...and the free-divers to look into themselves...
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CALCANUL

Postby VALI » Tue Apr 11, 2006 2:49 pm

Calcanul este un beshte bentonic de mare adancime
arealul sau este pe undeva pe la 60 pana la 80 de metrii adancime
Din ou eclozeazala la inceput un pestisor cu simetrie bilaterala perfecta, care este pelagic. Fenomenul de asimetrie se petrece dupa doua luni, cind se culca pe dreapta si devine bentonic, apropiindu-se de maluri in cautarea hranei. La exemplarele adulte corpul este acoperit cu solzi mici si butoni ososi mari. Acestia se gasesc pe ambele laturi ale corpului. In mijlocul fiecarui buton se afla un spin subtire. La exemplarele tinere lipsesc spinii de pe butoni. Lungimea la care ajunge calcanul este de 1 m., iar greutatea de 8-10 kg. Obisnuit, calcanul este lung de 0,60-0,80 m. si cintareste 3-4 kg. Desi dupa infatisare pare pasnic, calcanul este totusi un peste rapitor, care consuma in special hamsii, aterine, guvizi, barbuni si bacaliari, adica pesti bentonici si pesti care se afla iarna in vecinatatea fundului. In timpul reproducerii, care are loc in aprilie-mai, cind femela depune 8 000 000-10 000 000 de icre mici, calcanii adulti parasesc adincimile marii (80 m.) si migreaza catre mal. Aici se declanseaza reproducerea.

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...they say scuba-divers go into the deep to look arround...and the free-divers to look into themselves...
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GUVIDUL

Postby VALI » Wed Apr 12, 2006 4:13 pm

Guvidul este un peste bentonic, care insa poate urca sporadic catre paturile superioare ale apei. In general prefera fundurile stancoase, dar poate fi gasit si in ochiurile de nisip. Este un peshte rapitor, deosebit de lacom. se hraneshte cu scoici, custacee, alti guvizi. Traieshte pana la adancimi de 35-40 de metrii. Ajunge pana la 20-25 cm lungime, in mod extraordinar la 35 cm. Are corpul cilindric, iar coloritul este variat....de la negru-cenushiu, brun-maroniu, pana la galben-pai, irizat cu diverse modele. este asha cum am observat in numeroasele scufundari, un peshte care se poate folosi de o calitatea de mimetism. In perioada reproducerii [aprilie-mai-iunie] am fost martorul unei scene inedite shi stranii ash putea spune.
Pe un fund nisipos erau mai multi guvizi ashezati oarecum in cerc, iar in mijloc era un guvid atata de deschis la culoare incat parea alb. Cand mi-au observat prezentza guvizii au fugit reorientandu-se pe fundul apei, iar ce din mijloc shi-a schimbat culoarea in 2-3 secunde, revenind la culoarea obishnuita pentru un guvid.
Este un peshte relicva. Nu mai poate fi intalnit decat in marea Azov shi marea Neagra, dar va spun cu mana pe inima ca am vazut si in marea Adriatica, undeva pe la Rimini...


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Last edited by VALI on Thu Apr 13, 2006 8:37 am, edited 3 times in total.
...they say scuba-divers go into the deep to look arround...and the free-divers to look into themselves...
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Postby christianpindichi » Wed Apr 12, 2006 8:06 pm

Exista mai multe subspecii.De aceea au mai multe culori,iar daca va uitati atenti au si forme diferite.Cei de 30-35 cm de care pomenea vali,sunt hanusi.nu ma pricep la denumirile stiintifice insa va pot spune ca cel mai apreciat de pescari este strunghilul.foarte lacom..
aa inca ceva era sa uit.ca o particularitate...icrele de guvid sunt comestibile si sunt la fel de mari ca icrele de stiuca
si daca ramuri bat in geam.....tai craca
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Postby dell_ser » Thu Apr 13, 2006 1:26 am

Si ca sa nu se supere ecologistii vom arata ca putem si sa fotografiem nu numai sa vanam tot ce misca
Bla bla bla
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Postby Nautilius » Thu Apr 13, 2006 1:40 am

dell, sa nu se inteleaga gresit ...vanam cat consumam, ..nu vanam sa valorificam!!!!!..totusi este o diferenta!!!..atunci hai sa ne luam de pescarii care folosesc scule neconventionale!!!!!
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Postby dell_ser » Thu Apr 13, 2006 1:42 am

Image


Image


Image


Image
Bla bla bla
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Postby dell_ser » Thu Apr 13, 2006 1:52 am

O
Bla bla bla
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Postby Nautilius » Fri Jun 16, 2006 3:07 pm

in completare la cele scrise mai sus
[img][img]http://i72.photobucket.com/albums/i163/ibuncea/Peisaje/10-11-4.jpg[/img]

Image

Image

Image

Image[/img]
ape limpezi!!! ...
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