小吻四鳍旗鱼为辐鳍鱼纲鲈形目鲭亚目旗鱼科的其中一种，分布于印度洋及太平洋的热带至温带海域，栖息深度可达200公尺，本鱼背面深蓝色，蓝色侧边上点缀着褐色，下面银白色;第一背鳍深色无斑纹的蓝色又其他的鳍褐色或深褐色;臀鳍基底有淡色银白色，背鳍软条51-57枚;臀鳍软条18-23枚，体长可达230公分，主要栖息在中上层水域，属肉食性，以鱼类、头足类、甲壳类为食，可做为食用鱼及游钓鱼。

The shortbill spearfish (Tetrapturus angustirostris) is a species of marlin native to the Indian and Pacific Oceans, with occasional records from the Atlantic Ocean. This species occurs in open waters not far from the surface. This species can reach a length of 230 cm (91 in), though most do not exceed 190 cm (75 in). The maximum recorded weight for this species is 52 kg (115 lb). It is of minor importance to commercial fisheries and is also a game fish.