Food-carrying group - Emochimure

…For example, a school of whale sharks is called a “shark-attached school,” a school of whales is called a “whale-attached school,” a school of driftwood is called a “tree-attached school,” and a school of birds is called a “bird-attached school.” Also, a school of fish that chases prey is called a “food-bearing school,” and a school of bonitos alone is called a “sunamura” (sea tuna). In contrast, a school of fish that stays in an island area is called a “rapid-attached school.” …

*Some of the terminology that refers to "feeder groups" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…例えば，ジンベイザメにつく群れを〈サメ付き群〉，クジラにつくものを〈クジラ付き群〉，漂流木材につくものを〈木付き群〉，鳥の群れについているものを〈鳥付き群〉といったりする。また，餌生物を追いかけるものを〈餌持ち群〉といい，カツオだけで群泳するものを〈素群（すなむら）〉という。これに対し，島嶼（とうしよ）地帯に滞留するものを〈瀬付き群〉といったりする。…

※「餌持ち群」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報