Timor Snake-necked Turtle Chelodina (Chelodina) mccordi timorensis | Turtle Species Database | CheloniaTraceSubspecies / Testudines taxon
Chelodina (Chelodina) mccordi timorensis
麦氏长颈龟帝汶亚种(Chelodina mccordi timorensis)分布于东帝汶,又名帝汶蛇颈龟,是极危的淡水龟类。
Lineage: Turtles and Tortoises (TESTUDINES) > Side-necked Turtles (PLEURODIRA) > Austro-American Side-necked Turtles Superfamily (CHELOIDEA) > Austro-American Side-necked Turtles (CHELIDAE) > Australasian Side-necked Turtles Subfamily (CHELODININAE) > Australasian Snake-necked Turtles (Chelodina) > Australasian Snake-necked Turtles Subgenus (Chelodina (Chelodina)) > Roti Island Snake-necked Turtle (Chelodina (Chelodina) mccordi) > Timor Snake-necked Turtle (Chelodina (Chelodina) mccordi timorensis). This path helps place the taxon within its family, genus, or species-level context.

Plate page 55
English NameTimor Snake-necked Turtle Scientific NameChelodina (Chelodina) mccordi timorensis 概述
麦氏长颈龟帝汶亚种(Chelodina mccordi timorensis)分布于东帝汶,又名帝汶蛇颈龟,是极危的淡水龟类。
趣闻
该亚种曾被误认为与罗特亚种同种,后通过遗传学确认独立。东帝汶的独立后保护政策逐渐加强,但战乱历史对物种影响深远。
形态特征
最大背甲直线长(SCL)雄性20.0 cm,雌性23.3 cm。与罗特亚种相似,但背甲可能略扁平,颜色较浅。头部具黄色或奶油色斑纹,颈部长度超过背甲。腹甲具大块黑色斑纹。
生态习性
栖息于湖沼、湿地和季节性泛滥平原,偏好水生植被丰富的水体。以鱼、虾、蜗牛等为食。繁殖期在雨季结束时,雌龟在岸边沙地挖巢产卵,每窝约6-12枚卵。幼龟孵化后迅速进入水中。
主要威胁与保护
栖息地退化和丧失(农业、火耕、水利工程)、非法宠物贸易、外来物种(如家猪捕食卵)为主要威胁。保护措施包括CITES管制、自然保护区划定(伊拉拉拉湖区域),但偷猎依然存在。
自然分布与保护状态
仅分布于东帝汶拉乌滕区的伊拉拉拉湖(Lake Iralalaro)及周边平原。估计原生占据面积(AOO)为224 km²,发生范围(EOO)为245 km²。IUCN红色名录:极危(CR B1ab(ii,iv))。CITES附录II(2005年列入),野生个体出口零配额(2013年起)。
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