Hemipenis of Vipera aspis

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Galleries
Wildlife (no birds)

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5.6 MEGAPIXEL

Vipera View gallery (15 photos)

Hemipenis of Vipera aspis sent on 05 Aprile 2026 (10:51) by Atrox. 3 comments, 63 views.

, 1/500 f/16.0, ISO 400, hand held.

I serpenti possiedono due organi copulatori, detti emipeni, che sono contenuti in appositi spazi alla base della coda. Durante l'erezione, gli emipeni si estroflettono sporgendo all'esterno della regione cloacale. Normalmente un solo emipene è utilizzato nell'accoppiamento e al termine della copula un muscolo lo ritrae al di fuori della cloaca femminile. Queste strutture possono differire in diverse specie e presentano frequentemente spine e uncini che consentono un saldo ancoraggio all'interno della cloaca. La fotografia (che ha solo scopo documentativo) mostra l'emipene parzialmente estroflesso di una vipera comune (Vipera aspis).

View High Resolution 5.6 MP

5 persons like it: Berus, Bo Larkeed, Buttura Roberto, Claudio Ricci, Stewe90

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Buttura Roberto

sent on 05 Aprile 2026 (11:22) | This comment has been automatically translated (show/hide original)

I really like the detail

Bo Larkeed

sent on 05 Aprile 2026 (19:28) | This comment has been automatically translated (show/hide original)

Very interesting, thanks for posting this picture and explanation!

Atrox

sent on 06 Aprile 2026 (9:14) | This comment has been automatically translated (show/hide original)

Roberto and Bo, thanks for the visit.
best wishes.

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Some comments may have been automatically translated with Microsoft Translator.