小海马(学名:Hippocampus zosterae)为辐鳍鱼纲棘背鱼目海龙鱼科的其中一种,分布于西大西洋区,从美国佛罗里达州南部至墨西哥湾海域,栖息深度可达2米,体形很小,略侧扁。头部小刺及体环上棱棘发达。体冠较小,有不突出的钝棘。吻短口小。鳃盖突出而光滑,鳃孔小,位于鳃盖后方。体暗褐色,有时可随环境而变化。体长可达5公分,栖息在海草床,属肉食性,以小型甲壳类为食,卵胎生。
参考文献
- Froese, R. & Pauly, D. (eds.) (2012). Hippocampus zosterae. FishBase. Version 2012-05.
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