名詞 butterfish:

1. any of numerous small flat Atlantic food fish having smooth skin
2. small marine fish with a short compressed body and feeble spines
   同義詞：stromateid fish, stromateid
3. slippery scaleless food fish of the northern Atlantic coastal waters
   同義詞：rock gunnel, Pholis gunnellus

but.ter.fish

n.（名詞）
【復(fù)數(shù)】 butterfish 或 but.ter.fish.es
A marine food fish(Poronotus triacanthus) of the North American Atlantic coast, having a flattened body.
鯧：一種可食用海魚（三刺光鯧 鯧屬） ，生長于北美洲大西洋海岸，身體扁平
Any of various similar or related fishes, such as the moonfish and gunnel.
鯧科魚：各種類似或相關(guān)的魚類，比如月魚和錦鳚

來源：
[From its slippery mucous coating]
[源于其分泌粘液的光滑表皮]