أسماك وبرمائيات

علجوم سورينام

  • الاسم الشائع: علجوم سورينام
  • الاسم العلمي: Pipa pipa
  • النوع: البرمائيات
  • الحمية: كارنيفور
  • متوسط ​​العمر في الأسر: 8 سنوات
  • الحجم: أربع إلى ثماني بوصات
  • الوزن: 3.5 إلى 5.6 أوقية

ما هو علجوم سورينام؟

بمظهره المسطح الذي يشبه السمك المفلطح ، ورأسه على شكل مثلث ، وعيناه الصغيرتان ، لا يبدو ضفدع سورينام مثل معظم الضفادع الأخرى. كما أنها لا تلد مثل واحدة.

في واحدة من أغرب طرق الولادة في مملكة الحيوان ، ينفجر الأطفال من مجموعة من الثقوب الصغيرة في ظهر أمهاتهم.

الخصائص الفردية لا تتوقف عند هذا الحد. هذه البرمائيات لها أصابع طويلة تنتهي بأربعة فصوص حسية على شكل نجمة ألهمت اسمها الشائع الآخر ، الضفدع على شكل نجمة.

يُطلق على ضفادع سورينام أيضًا اسم راقصي النجوم لأن عيونهم الصغيرة عديمة الجفن تجلس على رؤوسهم.

الصيد والنظام الغذائي

كأنواع مائية بالكامل ، تعيش الضفادع في سورينام في مصادر مائية بطيئة الحركة ، مثل برك الغابات المطيرة ونفايات الأوراق الرطبة في جميع أنحاء شرق ترينيداد وتوباغو وجزء كبير من حوض الأمازون ، بما في ذلك البلد الذي يحمل الاسم نفسه ، سورينام.

إقرأ أيضا:وصف ومعلومات مثيرة عن التونة ذات الزعانف الزرقاء

تمتزج الضفادع في بيئتها مع الجلد البني أو الزيتون والسكون الشبيه بالموت ، وتبقى في مأمن من الحيوانات المفترسة وتلتقط القشريات والأسماك واللافقاريات في الماء.

لاستشعار الفريسة ، تستخدم الكائنات الليلية الأعضاء الحسية عند أطراف أصابعها. ثم يقومون بامتصاص الحيوان في أفواههم الخالية من الأسنان أو اللسان ، أو يلتقطونها بأيديهم.

التزاوج والتكاثر

ينادي الذكور الإناث عن طريق قطع عظم في حلقهم ، وهو اللامي ، الذي يُصدر صوتًا تحت الماء. عندما يجد أنثى متقبلة ، يمسكها حول ظهرها بذراعيه ، وهو وضع يسمى أمبلكسوس.

إقرأ أيضا:معلومات عن سمكة الذئب الانقليس

متشابكة ، الزوج سوف يشقلب في الماء لساعات حتى تطلق الأنثى حوالي مائة بيضة. يقوم الذكر بتلقيح البويضات ثم يدفعها على ظهرها. ستنمو طبقة سميكة من الجلد فوق البيض حتى توضع في جيوب محمية تشبه قرص العسل.

لا تمر الضفادع الصغيرة بمرحلة اليرقات أو الشرغوف ، وبدلاً من ذلك تنفجر من ظهر الأم على شكل خنازير كاملة التكوين ونصف بوصة بعد حوالي ثلاثة إلى أربعة أشهر.

السابق
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