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Bird Fish Feeding Frenzy New Caledonia
ニューカレドニア

A school of anchovies swarms together, forming a scintillating mass attacked from above and below in a fascinating example of interspecies hunting. This happens every day in New Caledonia's vast coral reef lagoon.

Predatory fish must identify a particular fish to catch it. The anchovies create a speeding vortex of thousands of individual fish moving in perfect unison so the predators can't single one out. But these huge jacks knew exactly what to do. They coordinated their attacks, some of them coming up from below while others peeled the anchovies away from the ball, right into the path of the ascending fish that would burst right out of the water with a fountain of glittering anchovies all around them. In the mayhem the anchovies would scatter, making perfect targets for the predatory fish and for the birds.

Red billed sea gulls (Larus novaehollandie) understand the strategy. They flew right above the jacks that were striking in from the side so the birds were in exactly the right spot to feast on the fountain of anchovies when the big jacks came bursting up from the depths. The gulls sometimes snatched anchovies right out of the mouths of the striking fish - then leaped back into the air, often tossing their catch into the air and then gulping it down.

After about 20 minutes of this mayhem it got really wild. Other species of fish joined in, barracuda, mackerel, snappers. A school of sharks swam around the whole group, moving in closer and closer, maybe picking up titbits of hashed sardines. More birds came from every direction, flocks of Noddy turns (Anous tenuirostris), stayed maybe 20 to 50 metres away from the centre of the feeding frenzy. A few of the tiny, white " Black Naped Turns", (Sterna sumatranta), circled around but they, like the noddy turns, stayed away from the centre of the intensive feeding frenzy. Possibly because the sea gulls might get aggressive if the smaller turns got in their way and would certainly try to steal any fish the smaller birds caught. You can see in the sphere image that when one sea gull caught a fish and didn't get the fish down the gullet fast enough, the other sea gulls made serious tries at stealing it.

This is fishing in the extreme, with continuous action that goes on for up to three hours with a bewildering array of species harvesting the small but abundant schools of "bait" fish.

Copyright: Richard Chesher
Type: Spherical
Resolution: 12074x6037
Taken: 28/11/2011
送信日: 30/11/2011
更新日: 06/01/2019
見られた回数:

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Tags: birds; fish; fishing; fishing frenzy; sea birds; new caledonia; mato; lagoon
More About ニューカレドニア

ニューカレドニアはオーストラリアとニュージーランドに最も近い南太平洋島です。ニューカレドニアはフランス領であり、フランス語が公用語として使われておりますが、文化はメラネシア、ヨーロッパ、ポリネシア、ベトナム、中国、インドネシア等多くの国の歴史をブレンドした国際的でユニークな文化を築いております。ニューカレドニアには、グランドテールと呼ばれる1つの大きな山の様な島と6つの小さい島があります。– 3つのロイヤルティー諸島、ベレップ諸島、イルデパン島島には果てしなく広がる荒野があり、そして驚くほど住民が少ないアイランドです。また何百キロメートルのウオ―キングトレック、キャンプ場、42以上の公園および特別保留地と輝やく滝を保つクリスタルクリアの川があります。人口3分の1ほとんどがヌメアの首都に居住しています。ニッケル採鉱はニューカレドニア第一の産業として、国の高い生活水準への主な役割をしています。グランドテールは世界で2番目に大きい堡礁に囲まれており、この堡礁によって造られ保護されたラグーンは、世界で最も大きいと言われております。この24,000平方キロメートルの巨大なラーグンは、2008年に世界遺産として記録され、多種多様の魚と無脊椎動物の豊かな動物群をサポートしています。 観光客のご到着しだい、一目に留まる島の活気に満ちたクリスタルクリアでリッチな風景は、皆様に大いに愛され感動なされています。ヌメアでは観光客のご滞在を更にご満喫いただけるよう、こちらの全てのホテル、リゾート、レストランおよび島でのアクティビティーを広範囲でご用意させて致しております。


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