オオウミウマ

Meanings

great seahorse; Kellogg's seahorse; offshore seahorse

usually written using kana alone

Refers specifically to the species Hippocampus kelloggi, a large seahorse found in the Indo-Pacific. In Japanese, the katakana name is the standard form.

オオウミウマはインド太たい平へい洋ように生せい息そくする大おお型がたのタツノオトシゴの一いっ種しゅです。
The great seahorse is a large species of seahorse that inhabits the Indo-Pacific.