noun
pouched lamprey; wide-mouthed lamprey
Refers to the species Geotria australis, a lamprey with a distinctive pouch-like mouth. Used in biological and ecological contexts.
フクロヤツメは南半球の川で見られる。
The pouched lamprey is found in rivers of the Southern Hemisphere.
研究者がフクロヤツメの生態を調査している。
Researchers are studying the ecology of the pouched lamprey.
The name フクロヤツメ (袋八目) combines 袋 (fukuro, 'bag, pouch') and 八目 (yatsume, 'eight eyes', referring to the gill openings of lampreys). The exact derivation is uncertain, but it likely describes the species' distinctive pouch-like mouth structure.