coelacanth

简明释义

英[ˈsiːləkænθ]美[ˈsiːləkænθ]

n. 腔棘鱼

adj. 腔棘鱼类的

英英释义

单词用法

同义词

反义词

例句

1.Scientists have captured the world's first images of a baby coelacanth recently - an extremely rare type of fish known as a 'living fossil'.

近日，科学家成功拍摄到迄今世界上第一个活腔棘鱼视频。腔棘鱼素有“活化石”之称。

2.Cryptozoologists are especially proud of the catch in 1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.

令未知生物学家尤其骄傲的是1938年捕捉到的腔棘鱼，牠是一种样貌古老的鱼类，原先认为在白垩纪便已灭绝。

3.Cryptozoologists are especially proud of the catch in 1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.

令未知生物学家尤其骄傲的是1938年捕捉到的腔棘鱼，牠是一种样貌古老的鱼类，原先认为在白垩纪便已灭绝。

4.Scientists have captured the world's first images of a baby coelacanth recently . It is an extremely rare type of fish known as a 'living fossil'.

近日，科学家成功拍摄到迄今世界上第一个活腔棘鱼视频图像。腔棘鱼素有“活化石”之称。

5.Cryptozoologists are especially proud of the catch in1938of a coelacanth an archaic -looking species of fish that had been thought to have gone extinct in the cretaceous.

令未知生物学家尤其骄傲的是1938年捕捉到的腔棘鱼，牠是一种样貌古老的鱼类，原先认为在白垩纪便已灭绝。

6.The Coelacanth has very large eyes and distinct silver blue scales with white markings.

它们有很大的眼睛和独特的蓝色带白斑的鳞片。

7.The coelacanth 腮棘鱼 is often referred to as a 'living fossil' due to its ancient lineage.

coelacanth 腮棘鱼因其古老的血统而常被称为“活化石”。

8.The discovery of the living coelacanth 腮棘鱼 in 1938 was a significant event in paleontology.

1938年发现活着的coelacanth 腮棘鱼是古生物学中的一个重要事件。

9.In marine biology, the coelacanth 腮棘鱼 provides insights into the transition from water to land.

在海洋生物学中，coelacanth 腮棘鱼为水到陆地的转变提供了见解。

10.Researchers study the anatomy of the coelacanth 腮棘鱼 to understand its evolutionary adaptations.

研究人员研究coelacanth 腮棘鱼的解剖结构，以理解其进化适应性。

11.The rare sightings of the coelacanth 腮棘鱼 excite both scientists and enthusiasts alike.

对coelacanth 腮棘鱼的稀有目击让科学家和爱好者都感到兴奋。

作文

The coelacanth is a fascinating fish that has captured the imagination of scientists and the public alike. Known for its unique appearance and ancient lineage, the coelacanth represents a link to a time when the oceans were vastly different from what they are today. This remarkable creature was believed to have gone extinct approximately 66 million years ago, during the Cretaceous period, alongside the dinosaurs. However, in 1938, a living specimen was discovered off the coast of South Africa, shocking the scientific community and providing a glimpse into the past.The coelacanth belongs to a group of fish known as lobe-finned fish, which are characterized by their fleshy, lobed pectoral and pelvic fins. These fins are thought to be similar to the ancestors of tetrapods, the first vertebrates to make the transition from water to land. The discovery of the coelacanth has provided crucial insights into the evolution of vertebrates and the development of limbs.One of the most striking features of the coelacanth is its distinct body shape. It has a large, rounded head, a thick body covered in scales, and a unique tail structure that resembles a three-lobed fin. Its coloration varies, but it is often described as having a bluish or grayish hue with white or yellow spots. This unique appearance has made the coelacanth a subject of fascination for marine biologists and enthusiasts.The habitat of the coelacanth is another aspect that adds to its intrigue. These fish are typically found in deep-sea environments, often at depths of 150 to 700 meters. They prefer underwater caves and rocky crevices, where they can hide from predators and ambush their prey. The diet of the coelacanth primarily consists of small fish and crustaceans, which it captures using its powerful jaws.Despite their ancient origins, coelacanths are not without threats. Habitat destruction, pollution, and overfishing pose significant risks to their populations. Conservation efforts are underway to protect these remarkable creatures and their habitats. Scientists continue to study the coelacanth to learn more about its biology, behavior, and role in the ecosystem.In conclusion, the coelacanth is more than just a fish; it is a living fossil that provides valuable insights into the history of life on Earth. Its discovery has changed our understanding of evolution and the resilience of life in the face of extinction. As we continue to explore the mysteries of the ocean, the coelacanth serves as a reminder of the wonders that still await us beneath the waves. Protecting this incredible species is essential not only for biodiversity but also for preserving the stories of our planet's past.

腔棘鱼是一种迷人的鱼类，吸引了科学家和公众的想象。因其独特的外观和古老的血统，腔棘鱼代表了一个时代的联系，那时的海洋与今天截然不同。这种非凡的生物被认为在大约6600万年前的白垩纪时期已经灭绝，与恐龙一起消失。然而，在1938年，一只活体标本在南非海岸被发现，震惊了科学界，并提供了对过去的窥视。腔棘鱼属于一种称为肉鳍鱼的鱼类，其特征是具有肉质的、肢状的胸鳍和腹鳍。这些鳍被认为与四足动物的祖先相似，四足动物是第一批从水中过渡到陆地的脊椎动物。腔棘鱼的发现为脊椎动物的进化和肢体的发展提供了重要的见解。腔棘鱼最引人注目的特征之一是其独特的身体形状。它有一个大而圆的头部，厚厚的身体覆盖着鳞片，以及一种独特的尾部结构，类似于三叶鳍。它的颜色各异，但通常被描述为蓝色或灰色，带有白色或黄色的斑点。这种独特的外观使腔棘鱼成为海洋生物学家和爱好者关注的对象。腔棘鱼的栖息地是另一个增加其魅力的方面。这些鱼通常生活在深海环境中，深度通常在150到700米之间。它们喜欢水下洞穴和岩石裂缝，在那里可以躲避捕食者并伏击猎物。腔棘鱼的饮食主要由小鱼和甲壳类动物组成，利用其强大的颌部捕获。尽管腔棘鱼有着古老的起源，但它们并不是没有威胁。栖息地破坏、污染和过度捕捞对其种群构成了重大风险。保护工作正在进行，以保护这些非凡的生物及其栖息地。科学家们继续研究腔棘鱼，以了解更多关于其生物学、行为和生态系统中角色的信息。总之，腔棘鱼不仅仅是一种鱼；它是一个活生生的化石，为我们提供了关于地球生命历史的宝贵见解。它的发现改变了我们对进化和生命在灭绝面前的韧性的理解。在我们继续探索海洋的奥秘时，腔棘鱼提醒我们，波涛之下仍然有许多奇迹等待着我们去发现。保护这个令人难以置信的物种不仅对生物多样性至关重要，也对保留我们星球过去的故事至关重要。