
Smalleye Hammerhead
Sphyrna tudes (Valenciennes, 1822)
Names
| English | Smalleye Hammerhead |
|---|---|
| Dutch | Kleinooghamerhaai |
| Spanish | Cornuda de ojos pequeños |
| Chinese | 小眼双髻鲨 |
| Scientific name | Sphyrna tudes (Valenciennes, 1822) |
About this species
The smalleye hammerhead (Sphyrna tudes), also called the golden hammerhead or curry shark, is a small species of hammerhead shark in the family Sphyrnidae. This species was historically common in the shallow coastal waters of the western Atlantic Ocean, from Venezuela to Uruguay. It favors muddy habitats with poor visibility, reflected by its relatively small eyes. Adult males and juveniles are schooling and generally found apart from the solitary adult females. Typically reaching 1.2–1.3 m (3.9–4.3 ft) in length, this shark has a unique, bright golden color on its head, sides, and fins, which was only scientifically documented in the 1980s. As in all hammerheads, its head is flattened and laterally expanded into a hammer-shaped structure called the cephalofoil, which in this species is wide and long with an arched front margin bearing central and lateral indentations.
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El Tiburón martillo ojichico Sphyrna tudes es una especie de elasmobranquio carcarriniforme de la familia Sphyrnidae.
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小眼双髻鲨(英语:Sphyrna tudes),为一种栖息在大西洋西部委内瑞拉至乌拉圭沿岸海域的小型双髻鲨,偏好高浊度的水域。雄鲨与幼鲨会形成鱼群,而雌鲨则多半独行。体长约 1.2—1.3米(3.9—4.3英尺),在头部、身体两侧以及鱼鳍上的体色呈现明亮的金黄色。为胎生,母鲨有 10 个月的妊娠期,每年可产下 5 至 19 头幼鲨。
因为过度捕鱼的关系,小眼双髻鲨的数量已经有大幅减少的趋势。加上它们繁殖率低,目前已经被国际自然保护联盟列为易危物种。
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Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Elasmobranchii |
| Order | Carcharhiniformes |
| Family | Sphyrnidae |
| Genus | Sphyrna |




