adj.上行的，向上的，溯河的；海鱼为产卵而游入江河的

The salmon is an anadromous fish that spawns in fresh water but spends most of its life in the ocean.
这条鲑鱼是一种溯河产卵的鱼类，它在淡水中繁殖，但大部分时间生活在海洋中。
Anadromous species like the Atlantic salmon have a unique life cycle involving both freshwater and saltwater habitats.
像大西洋鲑这样的溯河产卵物种有着独特的生命周期，涉及淡水和咸水栖息地。
Some scientists believe overfishing has negatively impacted the population of anadromous fish.
一些科学家认为过度捕捞对溯河产卵鱼类的数量产生了负面影响。
Chinook salmon are an anadromous species found primarily in the North Pacific Ocean and its tributaries.
王鲑是一种主要分布在北太平洋及其支流中的溯河产卵物种。
Many Native American cultures hold anadromous fish, such as salmon, in high spiritual regard.
许多美洲原住民文化非常尊重像鲑鱼这样的溯河产卵鱼类，将其视为神圣生物。
To protect anadromous fish, some dams have been modified to include fish ladders allowing them to migrate upstream.
为了保护溯河产卵鱼类，一些水坝已经进行了改造，增设了鱼梯以供它们向上游迁徙。
The decline in anadromous fish populations can be attributed to habitat loss, pollution, and climate change.
溯河产卵鱼类数量的下降可归因于生境丧失、污染和气候变化。
Researchers study the migration patterns of anadromous species like steelhead trout to better understand their needs for conservation.
研究人员研究像银鲑这样的溯河产卵物种的迁移模式，以便更好地了解其保护需求。
Anadromous animals play a vital role in maintaining the ecological balance of coastal ecosystems.
溯河产卵动物在维持沿海生态系统生态平衡方面起着至关重要的作用。
Conservation efforts must focus on preserving the spawning grounds of anadromous fish to ensure their survival.
保护工作必须集中在保护溯河产卵鱼类的繁殖地，以确保它们的生存。