Eviscerated alive: Novel and macabre feeding strategy in Oligodon fasciolatus (Gunther, 1864) eating organs of Duttaphrynus melanostictus (Schneider, 1799) in Thailand
Eviscerated alive: Novel and macabre feeding strategy in Oligodon fasciolatus (Gunther, 1864) eating organs of Duttaphrynus melanostictus (Schneider, 1799) in Thailand
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DOI：
10.3897/herpetozoa.33.e57096
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发表时间：
2020-01-01
期刊：
影响因子：
0.9
通讯作者：
Nimnuam, Kanjana
中科院分区：
文献类型：
--
作者：
Bringsoe, Henrik;Suthanthangjai, Maneerat;Nimnuam, Kanjana
泰国东北部的游蛇 Oligodon fasciolatus 描述了一种迄今为止未知的蛇类进食模式。描述了 3 例片状 O. fasciolatus 使用增大的上颌后牙切开活毒蟾蜍 Duttaphrynus melanostictus 的腹部并吃掉其器官的案例。蛇与蟾蜍激烈战斗，蟾蜍的背部和颈部分泌出有毒的白色液体。蛇把头伸进蟾蜍的腹部，拉出一些内脏吞下去。蛇和蟾蜍都已经成年了。所有这三个案例都有大量的摄影材料记录下来。在泰国中部的第四个案例中，观察到一只成年 fasciolatus 吞下了整个半成年 D. melanostictus。大多数蛇类都将猎物整块吞下，但为了将我们的观察结果放在更广泛的背景下，我们回顾了一些例外情况。
A hitherto unknown feeding mode among snakes is described for the colubrid snake Oligodon fasciolatus in Northeast Thailand. Three cases of O. fasciolatus using enlarged posterior maxillary teeth to cut open the abdomen of a live poisonous toad Duttaphrynus melanostictus and eat its organs are described. The snakes and toads fought vigorously, and the toads secreted toxic white liquid on the dorsum and neck. The snakes inserted their heads into the abdomen of the toads, pulled out some of the organs and swallowed them. The snakes and toads were adults. All three cases were documented by extensive photographic material.In a fourth case from Central Thailand, an adult O. fasciolatus was observed swallowing an entire semi-adult D. melanostictus.The majority of all snake species swallow their prey in one piece, but to place our observations in a broader context we review a number of exceptions.