spinner dolphin
A species of dolphin known for its acrobatic spinning leaps; scientific name Stenella longirostris.
The spinner dolphin is known for leaping high out of the water and spinning.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare and mainly found in older or specialized texts; the reading is not obvious from the characters.
Compound of 嘴長 (はしなが, 'long beak') + 海豚 (いるか, 'dolphin'), referring to the dolphin's long snout.