stickleback

简明释义

英[ˈstɪklbæk]美[ˈstɪklbæk]

n. 棘鱼

复 数 s t i c k l e b a c k s 或 s t i c k l e b a c k

英英释义

单词用法

同义词

反义词

例句

1.Marine and freshwater stickleback can hybridize in contact zones.

海水和淡水棘鱼可以在接触区杂交。

2.The study which compared the growth rate, success of reproduction and life span of stickleback fish, found that fish given a "binge then diet" food regime had a reduced life span of up to 25%.

这项研究通过对比刺鱼的生长速率，繁殖成功率和生命跨度，发现被喂养“狂吃然后减肥”的饮食节律的鱼寿命缩短达到了25%。

3.It thumps the catch against the branch to stun it-a lesson some young birds learn only after swallowing a stickleback that erects its dorsal spine on the way down.

然后它会在树枝上把鱼摔死——当小鸟能够顺着鱼的背脊吞下一只棘鱼时，才会学习这个技能。

4.The study which compared the growth rate, success of reproduction and life span of stickleback fish, found that fish given a "binge then diet" food regime had a reduced life span of up to 25%.

这项研究通过对比刺鱼的生长速率，繁殖成功率和生命跨度，发现被喂养“狂吃然后减肥”的饮食节律的鱼寿命缩短达到了25%。

5.Prolux's theory is based on studies of the collared flycatcher and the three-spined stickleback .

普罗勒克斯的观点是建立在有项圈的和三脊刺鱼的研究之上的。

6.In various places in the Northern Hemisphere, for example, Marine stickleback fish were scattered among landlocked lakes as the last Ice Age ended.

例如，在北半球的许多地方，在上个冰川季结束后，海棘鱼散布于陆地包围的湖里。

7.British researchers studying the behavior of tiny stickleback fish have found that they are much more willing to take risks in search of food in pairs than alone.

英国研究者通过研究小棘鱼的行为发现比起自己一个人他们更愿意冒险与伙伴一起外出觅食。

8.And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.

并控制三刺鱼在跟快艇噪音程度相当的白噪声中，或者完全安静的环境之下，观察它们捕食水蚤的情况。

9.We learned how to properly care for 刺鱼 in our aquarium class.

在我们的水族馆课程中，我们学习了如何正确照顾刺鱼。

10.During our nature walk, we spotted a 刺鱼 swimming in the shallow stream.

在我们的自然徒步旅行中，我们在浅溪中发现了一条刺鱼。

11.The aquarium features a tank filled with beautiful 刺鱼 species.

这个水族馆有一个装满美丽的刺鱼的鱼缸。

12.The male 刺鱼 is known for its bright colors during the breeding season.

雄性刺鱼在繁殖季节以其鲜艳的颜色而闻名。

13.Researchers are studying the behavior of 刺鱼 to understand their mating rituals.

研究人员正在研究刺鱼的行为，以了解它们的交配仪式。

作文

The natural world is filled with fascinating creatures, and one such creature that often captures the attention of both scientists and nature enthusiasts alike is the stickleback. The stickleback is a small fish belonging to the family Gasterosteidae, known for its distinctive spines along its back. This fish can be found in both freshwater and saltwater environments, showcasing an incredible adaptability that allows it to thrive in various habitats. One of the most remarkable features of the stickleback is its breeding behavior, which has been extensively studied by researchers. During the breeding season, male sticklebacks become particularly colorful, displaying bright red or blue hues to attract females. They build intricate nests made of plant materials and defend their territory fiercely against rivals. This behavior not only highlights the stickleback's role in the ecosystem but also serves as a compelling example of sexual selection in nature.The evolutionary significance of the stickleback cannot be overstated. Studies have shown that these fish have undergone rapid evolutionary changes in response to their environment. For instance, populations of sticklebacks in freshwater lakes often exhibit reduced body armor compared to their saltwater counterparts. This phenomenon is attributed to the different predation pressures they face in each habitat. In lakes, where larger predators are less common, sticklebacks can afford to invest less energy in developing armor, allowing them to allocate more resources to reproduction.Researchers have utilized the stickleback as a model organism to understand the mechanisms of evolution and adaptation. By examining the genetic variations between different populations, scientists have gained insights into how specific traits are favored in certain environments. This research has broader implications for understanding biodiversity and the resilience of species in the face of environmental changes.Moreover, the stickleback has become a symbol of ecological studies due to its sensitivity to environmental changes. As indicators of water quality, sticklebacks can provide valuable information about the health of aquatic ecosystems. Their presence or absence can signal shifts in habitat conditions, making them crucial for conservation efforts.In conclusion, the stickleback is much more than just a small fish; it is a remarkable example of nature's complexity and adaptability. From its unique breeding behaviors to its evolutionary significance, the stickleback continues to fascinate scientists and nature lovers alike. Understanding this small creature helps us appreciate the intricate web of life that exists in our ecosystems and underscores the importance of preserving our natural habitats. As we continue to study the stickleback, we gain not only knowledge about this specific species but also insights into the broader patterns of evolution and ecology that shape our world.

自然界中充满了迷人的生物，而其中一种常常吸引科学家和自然爱好者注意的生物就是刺鱼。刺鱼是一种属于刺鱼科的小鱼，以其背部独特的刺而闻名。这种鱼可以在淡水和海水环境中找到，展示出令人难以置信的适应能力，使其能够在各种栖息地中生存。刺鱼最显著的特征之一是其繁殖行为，这一行为已被研究人员广泛研究。在繁殖季节，雄性刺鱼变得特别多彩，显示出明亮的红色或蓝色，以吸引雌性。它们用植物材料建造复杂的巢穴，并对领土进行激烈的防御。这一行为不仅突显了刺鱼在生态系统中的角色，也作为自然选择的一个引人注目的例子。刺鱼的进化意义不容小觑。研究表明，这些鱼在环境的影响下经历了快速的进化变化。例如，淡水湖中的刺鱼种群通常比盐水种群表现出较少的身体护甲。这一现象归因于它们在每种栖息地面临的不同捕食压力。在湖泊中，较大的捕食者较少，刺鱼可以减少在护甲上的能量投入，从而将更多资源用于繁殖。研究人员利用刺鱼作为模型生物，以理解进化和适应的机制。通过检查不同种群之间的遗传变异，科学家们获得了关于特定性状如何在某些环境中受到青睐的见解。这项研究对理解生物多样性及物种在环境变化面前的韧性具有更广泛的意义。此外，由于其对环境变化的敏感性，刺鱼已成为生态研究的象征。作为水质的指示物，刺鱼能够提供有关水生生态系统健康的重要信息。它们的存在或缺失可以标志栖息地条件的变化，使其对保护工作至关重要。总之，刺鱼不仅仅是一条小鱼；它是自然复杂性和适应性的杰出例子。从其独特的繁殖行为到其进化意义，刺鱼继续吸引着科学家和自然爱好者的关注。了解这种小生物有助于我们欣赏存在于生态系统中的复杂生命网络，并强调保护自然栖息地的重要性。当我们继续研究刺鱼时，我们不仅获得了关于这一特定物种的知识，还获得了关于塑造我们世界的更广泛的进化和生态模式的见解。