hagfish

简明释义

英[ˈhæɡfɪʃ]美[ˈhæɡˌfɪʃ]

n. 八目鳗类鱼；盲鳗；丑鱼

复 数 h a g f i s h 或 h a g f i s h e s

英英释义

单词用法

同义词

反义词

例句

1.They're kind of like eels or hagfish or lampreys, but different.

它们有点像鳝鱼、丑鱼或者鳗鱼，但并不相同。

2.Hagfish have a mesonephric kidney and are often neotenic of their pronephric kidney.

八目鳗类鱼有中肾，并且通常是其前肾的新生物。

3.The hagfish, unfortunately, sometimes falls prey to its own defense mechanism, but normally it twists itself into knots to escape the gelatinous goop.

不幸的是，有时候，八目鳗类鱼会成为自己防卫机制的受害者。但通常情况下，它会把自己拧成几节，然后从粘液中逃脱。

4.The hagfish, unfortunately, sometimes falls prey to its own defense mechanism, but normally it twists itself into knots to escape the gelatinous goop.

不幸的是，有时候，八目鳗类鱼会成为自己防卫机制的受害者。但通常情况下，它会把自己拧成几节，然后从粘液中逃脱。

5.When a predator attacks, the hagfish can suffocate it with its slime.

当捕食者攻击时，七鳃鳗可以用其粘液窒息捕食者。

6.Scientists study the hagfish to understand its unique immune system.

科学家研究七鳃鳗以了解其独特的免疫系统。

7.Some cultures consider hagfish a delicacy, despite their slimy texture.

尽管七鳃鳗的质地粘滑，但一些文化仍将其视为美味佳肴。

8.The hagfish is known for its ability to produce large amounts of slime when threatened.

七鳃鳗以其在受到威胁时能够产生大量粘液而闻名。

9.The hagfish has a jawless mouth that allows it to feed on dead fish.

七鳃鳗没有下颚的嘴巴，使它能够以死鱼为食。

作文

The ocean is home to a myriad of fascinating creatures, each with its own unique adaptations and characteristics. One such creature that often captures the attention of marine biologists and enthusiasts alike is the hagfish. The hagfish (also known as slime eels) are jawless fish that belong to the class Myxini. They are primarily found in deep-sea environments, where they play a crucial role in the ecosystem. Despite their somewhat unappealing appearance, hagfish have several remarkable traits that make them an interesting subject of study.One of the most notable features of the hagfish is its ability to produce copious amounts of slime. This slime serves multiple purposes; it acts as a defense mechanism against predators, allowing the hagfish to escape when threatened. When a predator attempts to consume a hagfish, it releases this slime, which can clog the gills of the attacker, effectively deterring it from continuing its pursuit. This unique adaptation showcases the hagfish's evolutionary ingenuity and highlights the diverse strategies that marine animals employ for survival.In addition to their defensive capabilities, hagfish are also scavengers, feeding primarily on dead or dying marine organisms. They possess a keen sense of smell, which allows them to detect carrion from great distances. Once they locate a suitable food source, hagfish use their specialized feeding apparatus, which includes a series of keratinous teeth, to burrow into the carcass and consume the soft tissues. This feeding behavior plays a vital role in the health of ocean ecosystems by helping to recycle nutrients and maintain the balance of marine life.Another intriguing aspect of hagfish biology is their reproductive habits. Unlike many other fish species, hagfish do not have a complex reproductive system. They are believed to be oviparous, meaning they lay eggs, but much about their reproductive cycle remains a mystery. Researchers continue to study hagfish to uncover more information about their breeding habits and life cycle, which could provide valuable insights into the evolution of vertebrates.Despite their importance in the marine ecosystem, hagfish are often overlooked and misunderstood. Many people find them unappealing due to their slimy texture and eel-like appearance. However, it is essential to recognize that every creature, including the hagfish, has a role to play in the intricate web of life beneath the waves. By studying and appreciating these unique organisms, we can gain a better understanding of our oceans and the biodiversity they support.In conclusion, the hagfish is a remarkable example of nature's creativity and resilience. Its unique adaptations, such as slime production and scavenging behavior, highlight the importance of this creature in the marine ecosystem. As we continue to explore and learn about the depths of the ocean, it is crucial to acknowledge the significance of all marine life, including the often-misunderstood hagfish. Protecting these creatures and their habitats is vital for maintaining the health of our oceans and ensuring the survival of countless species that rely on them.

海洋是无数迷人生物的家园，每种生物都有其独特的适应性和特征。其中一种常常吸引海洋生物学家和爱好者注意的生物是七鳃鳗。七鳃鳗（也称为粘鳗）属于无颌鱼类，属于软骨鱼纲。它们主要分布在深海环境中，在生态系统中发挥着至关重要的作用。尽管它们的外观略显不讨喜，但七鳃鳗有许多显著的特征，使其成为一个有趣的研究对象。七鳃鳗最引人注目的特征之一是其能够产生大量粘液。这种粘液具有多重用途；它作为防御机制，保护七鳃鳗免受捕食者的攻击。当捕食者试图吞食七鳃鳗时，它会释放这种粘液，从而堵塞攻击者的鳃，有效地阻止其继续追捕。这一独特的适应性展示了七鳃鳗的进化智慧，并突显了海洋动物为生存所采用的多样化策略。除了防御能力外，七鳃鳗还是 scavenger，以死去或垂死的海洋生物为食。它们拥有敏锐的嗅觉，可以在很远的距离探测到尸体。一旦找到合适的食物来源，七鳃鳗就会利用其特殊的进食器官，包括一系列角质牙齿，钻入尸体并摄取软组织。这种进食行为在海洋生态系统的健康中发挥着重要作用，帮助回收养分并维持海洋生物的平衡。七鳃鳗生物学的另一个引人入胜的方面是它们的繁殖习性。与许多其他鱼类不同，七鳃鳗没有复杂的繁殖系统。它们被认为是卵生的，意味着它们会产卵，但关于它们繁殖周期的许多内容仍然是个谜。研究人员继续研究七鳃鳗，以揭示更多关于其繁殖习性和生命周期的信息，这可能为脊椎动物的进化提供有价值的见解。尽管在海洋生态系统中具有重要性，七鳃鳗常常被忽视和误解。由于其粘滑的质地和类似鳗鱼的外观，许多人觉得它们不讨喜。然而，认识到每种生物，包括七鳃鳗，在波涛汹涌的生命网络中都有其角色至关重要。通过研究和欣赏这些独特的生物，我们可以更好地了解我们的海洋及其支持的生物多样性。总之，七鳃鳗是自然创造力和韧性的杰出例证。它独特的适应性，如粘液产生和食腐行为，突显了该生物在海洋生态系统中的重要性。随着我们继续探索和学习海洋深处，承认所有海洋生物的重要性，包括常被误解的七鳃鳗，是至关重要的。保护这些生物及其栖息地对维护海洋的健康和确保依赖它们的无数物种的生存至关重要。