小海馬(學名:Hippocampus zosterae)為條鰭魚綱棘背魚目海龍魚科的其中一種,分布於西大西洋區,從美國佛羅里達州南部至墨西哥灣海域,棲息深度可達2公尺,體形很小,略側扁。頭部小刺及體環上棱棘發達。體冠較小,有不突出的鈍棘。吻短口小。鰓蓋突出而光滑,鰓孔小,位於鰓蓋後方。體暗褐色,有時可隨環境而變化。體長可達5公分,棲息在海草床,屬肉食性,以小型甲殼類為食,卵胎生。
參考文獻
- Froese, R. & Pauly, D. (eds.) (2012). Hippocampus zosterae. FishBase. Version 2012-05.
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