かいゆう
回遊
1. excursion; round tripOnly applies to 回遊
2. seasonal migration (of fish, etc.)
3. Fish migrationMany types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousands of kilometres. Fish usually migrate because of diet or reproductive needs, although in some cases the reason for migration remains unknown.
Read “Fish migration” on English Wikipedia
Read “回遊” on Japanese Wikipedia
Read “Fish migration” on DBpedia
Read “Fish migration” on English Wikipedia
Read “回遊” on Japanese Wikipedia
Read “Fish migration” on DBpedia
回游 【かいゆう】、洄游 【かいゆう】
回游: Rarely-used kanji form. 洄游: Rarely-used kanji form.
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