牠一定上過才藝班 - 魚
By Caitlin
at 2013-08-29T19:56
at 2013-08-29T19:56
Table of Contents
講解一下這篇好了,之前有發搂到他的科學新聞
這是一種分布在奄美大島附近的魨類 Torquigener sp. (Tetraodontidae)
雖然說在以前就有些微的發現紀錄,
但正式走紅是在去年日本攝影師大方洋二公布了這個奇妙的景觀後走紅,
NHK也為他做了特輯。
http://www.photoblog.hk/wordpress/58328/
但正式有人是對這樣特殊的行為做出學術上的解釋,是在今年七月。
簡單來說的話這是一種類似南美天堂鳥,雄魚做好巢,供雌魚挑選的female mate choice
簡錄paper摘要:
We report that male pufferfishes (Torquigener sp., Tetraodontidae)
constructed large geometric circular structures on the seabed that played an
important role in female mate choice. Males dug valleys at various angles in
a radial direction, constructing nests surrounded by radially aligned peaks
and valleys. Furthermore, they created irregular patterns in the nest
comprising fine sand particles. The circular structure not only influences
female mate choice but also functions to gather fine sand particles in nests,
which are important in female mate choice. Strangely enough, the males never
reuse the nest, always constructing a new circular structure at the huge cost
of construction. This is because the valleys may not contain sufficient fine
sand particles for multiple reproductive cycles.
不負責任翻譯:
我們發現這種魨類會在沙質海床上建構的巨大圓形幾何結構,在雌性的配偶選擇上
扮演了重要的角色。
雄豚會在沙質海床上挖掘放射狀的溝紋,並在中心用細沙做出不規則細紋狀的圖樣。
這樣的大型結構不只有吸引雌性的功能,也可以使得中心得到高品質的細沙,以供
產卵繁殖所需。這也是雌魨挑選這些結構的主要條件。
有趣的是,雄魨每次繁殖都會耗費大放體力重新建構新的結構物,而不會利用舊有
結構改建。這是因為那些放射狀溝紋無法提供足夠的細沙供再次的繁殖週期使用。
對生物學家如何了解這樣的機制可以繼續看詳細的論文。
這篇論文用字還蠻簡單好懂的,期刊本身也是開放性的
論文: http://www.nature.com/srep/2013/130701/srep02106/full/srep02106.html
※ 引述《wind4 (風星)》之銘言:
: http://www.youtube.com/watch?v=kj-K_pFoaDo
: 有沒有人要送自家狗頭去學一下的
: 之後請上來分享一下
: 不過好像龍蝦也會做出差不多!?的東西
--
--
這是一種分布在奄美大島附近的魨類 Torquigener sp. (Tetraodontidae)
雖然說在以前就有些微的發現紀錄,
但正式走紅是在去年日本攝影師大方洋二公布了這個奇妙的景觀後走紅,
NHK也為他做了特輯。
http://www.photoblog.hk/wordpress/58328/
但正式有人是對這樣特殊的行為做出學術上的解釋,是在今年七月。
簡單來說的話這是一種類似南美天堂鳥,雄魚做好巢,供雌魚挑選的female mate choice
簡錄paper摘要:
We report that male pufferfishes (Torquigener sp., Tetraodontidae)
constructed large geometric circular structures on the seabed that played an
important role in female mate choice. Males dug valleys at various angles in
a radial direction, constructing nests surrounded by radially aligned peaks
and valleys. Furthermore, they created irregular patterns in the nest
comprising fine sand particles. The circular structure not only influences
female mate choice but also functions to gather fine sand particles in nests,
which are important in female mate choice. Strangely enough, the males never
reuse the nest, always constructing a new circular structure at the huge cost
of construction. This is because the valleys may not contain sufficient fine
sand particles for multiple reproductive cycles.
不負責任翻譯:
我們發現這種魨類會在沙質海床上建構的巨大圓形幾何結構,在雌性的配偶選擇上
扮演了重要的角色。
雄豚會在沙質海床上挖掘放射狀的溝紋,並在中心用細沙做出不規則細紋狀的圖樣。
這樣的大型結構不只有吸引雌性的功能,也可以使得中心得到高品質的細沙,以供
產卵繁殖所需。這也是雌魨挑選這些結構的主要條件。
有趣的是,雄魨每次繁殖都會耗費大放體力重新建構新的結構物,而不會利用舊有
結構改建。這是因為那些放射狀溝紋無法提供足夠的細沙供再次的繁殖週期使用。
對生物學家如何了解這樣的機制可以繼續看詳細的論文。
這篇論文用字還蠻簡單好懂的,期刊本身也是開放性的
論文: http://www.nature.com/srep/2013/130701/srep02106/full/srep02106.html
※ 引述《wind4 (風星)》之銘言:
: http://www.youtube.com/watch?v=kj-K_pFoaDo
: 之後請上來分享一下
: 不過好像龍蝦也會做出差不多!?的東西
--
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