
Northern Seahorse
Hippocampus erectus Perry, 1810
Names
| English | Northern Seahorse |
|---|---|
| Dutch | Zeepaardje |
| Spanish | Caballito estriado de mar |
| Chinese | 直立海马 |
| Scientific name | Hippocampus erectus Perry, 1810 |
About this species
The lined seahorse (Hippocampus erectus), northern seahorse or spotted seahorse, is a species of fish that belongs to the family Syngnathidae. H. erectus is a diurnal species with an approximate length of 15 cm (5.9 inches) and lifespan of one to four years. The H. erectus species can be found in myriad colors, from greys and blacks to reds, greens, and oranges. The lined seahorse lives in the western Atlantic Ocean as far north as Cape Cod and as far south as the Caribbean, Mexico, and Venezuela. It swims in an erect position and uses its dorsal and pectoral fins for guidance while swimming.
Lined seahorses feed mainly on minute crustaceans and brine shrimp, which they suck in through their snout. They are able to suck their prey by creating a current of water leading directly into its snout. Since seahorses are weak swimmers, they must ambush their prey by blending into their surroundings, which they do rather easily. The lined seahorse's eyes can move independently of one another, allowing it to effectively scan its surroundings.
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Hippocampus erectus, caballito de mar del norte o caballito de mar manchado, es una especie de pez de la familia Syngnathidae en el orden de los Syngnathiformes.
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直立海马(学名:Hippocampus erectus),为辐鳍鱼纲海龙鱼目海龙鱼科的其中一种,被IUCN列为易危保育类动物,分布于西大西洋区,从加拿大新斯科细亚省至委内瑞拉海域,栖息深度0至100公尺,本鱼本鱼头部与躯干部几成直角,无鳞,由一系列的骨环所组成,冠状突起形态多变,呈低矮的三角形楔形或带有凸起尖锐边缘或尖刺的脊状突起,吻部短,颊棘单根或双根,背鳍大,基部隆起,鳍条18-19根,臀鳍小,无腹鳍,尾部可抓握、可卷曲,部分个体的头部、身体和尾部有长而分枝的皮瓣,体色浅黄色至近黑色;眼睛下方、上方和后方有放射状的细白线,延伸至鳃盖,身体有斑点,腹部有不规则的细条纹,侧翼有细横纹,雌鱼尾巴上经常有白点,体长可达19公分,栖息在沿岸的海草床,冬季会迁徙到较深海域,行一夫一妻制,每天早晨都会进行仪式性的舞蹈,以重新建立与伴侣的连结。此外,它们在拥抱伴侣时会发出咔哒声。属肉食性,以小型甲壳类为食,卵胎生,雄鱼会将卵携带在育儿袋中,卵会在育儿袋中孵化20-21天。当幼体即将孵化时,雄性会将尾部固定在某个固定物体上,然后开始前后弓背,将幼体释放到水中,可做为观赏鱼。
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Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Order | Syngnathiformes |
| Family | Syngnathidae |
| Genus | Hippocampus |


