红鳍冠海龙（学名：Corythoichthys haematopterus），为辐鳍鱼纲棘背鱼目海龙科的其中一种，分布于印度西太平洋区，包括东非、塞舌尔群岛、安达曼群岛、**、日本、菲律宾、新加坡、印尼、巴布亚新几内亚、澳洲、所罗门群岛、帕劳、新喀里多尼亚、越南、'瓦努阿图等海域，栖息深度可达21公尺，体长可达19.8公分，栖息在有屏蔽物的岩石或沙地，卵胎生，成鱼通常成对出现。

Corythoichthys haematopterus, known commonly as the Messmate pipefish, is a species of marine fish in the family Syngnathidae.

The Messmate pipefish is widespread throughout the tropical waters of the Indo-Pacific region, from the eastern coast of Africa to the Vanuatu Islands.