great seahorse; Kellogg's seahorse; offshore seahorse
Refers specifically to the species Hippocampus kelloggi, a large seahorse found in the Indo-Pacific. In Japanese, the katakana name is the standard form.
The great seahorse is a large species of seahorse that inhabits the Indo-Pacific.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling exists but is rarely used; the katakana form is strongly preferred.
Compound of 大 (おお, 'big') + 海馬 (うみうま, 'seahorse'). The kanji 海馬 literally means 'sea horse'.