
Loggerhead Sea Turtle
Caretta caretta (Linnaeus, 1758)
Names
| English | Loggerhead Sea Turtle |
|---|---|
| Dutch | Onechte Karetschildpad |
| Spanish | Tortuga boba |
| Chinese | 红海龟 |
| Sranan Tongo | sekrepatu (general name for the group) |
| Scientific name | Caretta caretta (Linnaeus, 1758) |
About this species
The loggerhead sea turtle (Caretta caretta), loggerhead turtle or loggerhead, is a species of sea turtle distributed throughout the world. It is a marine reptile, belonging to the family Cheloniidae. The average loggerhead measures around 90 cm (35 in) in carapace length when fully grown. The adult loggerhead sea turtle weighs approximately 135 kg (298 lb), with the largest specimens weighing about 200 kg (440 lb). The skin ranges from yellow to brown in color, and the shell is typically reddish brown. No external differences in sex are seen until the turtle becomes an adult, the most obvious difference being the adult males have thicker tails and shorter plastrons (lower shells) than the females.
The loggerhead sea turtle is found in the Atlantic, Pacific, and Indian Oceans, as well as the Mediterranean Sea. It spends most of its life in saltwater and estuarine habitats, with females briefly coming ashore to lay eggs.
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La tortuga boba, tortuga cabezona, caguama o cahuama (Caretta caretta) es la única especie del género Caretta, que pertenece a la familia Cheloniidae, dentro de la superfamilia de las tortugas marinas. Habita en el océano Atlántico, Pacífico e Índico, así como el mar Mediterráneo.
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赤蠵(xī)龟(学名:Caretta caretta),又称为红蠵龟、红海龟、日头龟、八卦龟、火龟,是海龟科蠵龟属下的唯一一个种,分布于世界各地。赤蠵龟能生长的最大长度平均为90cm,有纪录发现超过280cm的标本。成年赤蠵龟重约135kg,最重曾发现过超过450kg的标本。皮肤颜色从黄色到棕色,壳通常是红棕色。在成年之前没有太大的性别差异,成年海龟性别最明显的差异是公海龟有著比母海龟粗的尾巴,以及较短的胸甲。
赤蠵龟在大西洋、太平洋、印度洋以及地中海都曾被发现。赤蠵龟大部分都在盐水和河口栖息地生活,母赤蠵龟会短暂的上岸产卵。赤蠵龟繁殖率很低,母赤蠵龟平均产下四窝卵,在接下来的两三年内不会接著产卵。赤蠵龟在17到33岁间性成熟,平均寿命为47到67岁。
赤蠵龟是杂食性的,主食底栖无脊椎动物。赤蠵龟大而有力的下颚可以有效地支解它的猎物。幼赤蠵龟有许多的天敌;龟卵特别受到陆生掠食者的威胁。一旦赤蠵龟长至成年,他们庞大的体型就会为大型海洋掠食者带来不便,例如鲨鱼。
赤蠵龟被认为是濒危动物,受到国际自然保护联盟保护。许多赤蠵龟的死亡是渔具造成的。赤蠵龟被拖底渔网缠住后将会窒息死亡。为了提供海龟逃生,目前已经实施了加装海龟逃脱装置,期望降低死亡率。失去适合筑巢的海滩和外来种的入侵也对赤蠵龟数量造成损失。为了保育赤蠵龟需要国际合作,因为赤蠵龟是全球分布的,而重要的筑巢地点分散在各国。
赤蠵龟和绿蠵龟,是最常被渔具困住的海龟。
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Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Testudines |
| Family | Cheloniidae |
| Genus | Caretta |



