Its rarity is essentially as a consequence of habitat decline and overfishing. The species is a vital indicator of river ecosystem wellness, highlighting the need for conservation. 提示：上图数据仅供参考，数据来源为各国或组织官方统计机构。 (使用鼠标滚轮可对数据区域进行缩放) Conservationists are developing secured regions in oceans and rivers. These zones limit fishing and shield crit... https://fishtankcleaner.art.blog/2025/07/20/professional-fish-pond-cleaning-services-selangor-call-pearl-aquatics-today/