List: word usually written using kana alone

colloquial  usually written using kana alone  expression 

• what on Earth is this?

usually written using kana alone  noun  noun (generic) 

• dusky batfish (Platax pinnatus)

rarely used kanji form  usually written using kana alone  noun  noun (generic)  rare term 

• longfin batfish (Platax teira), teira batfish, round-faced batfish
• flying fish

usually written using kana alone  noun  noun (generic) 

• juvenile Japanese sea bass (under two years old and roughly 25 cm in length)

rarely used kanji form  children's language  usually written using kana alone  noun  noun (generic) 

• pee-pee, wee-wee

usually written using kana alone  noun  noun (generic) 

• blackfin sea bass (Lateolabrax latus)

usually written using kana alone  noun  noun (generic) 

• blue-eyed grass (Sisyrinchium rosulatum)

usually written using kana alone  noun  noun (generic) 

• golden spadefish (Platax boersii), Boer's batfish

usually written using kana alone  noun  noun (generic) 

• Atlantic bluefin tuna (Thunnus thynnus), northern bluefin tuna

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• louvar (Luvarus imperialis), luvar