The present study reports the first record of Bengal reticulated puffer, Chelonodontops bengalensis from Odisha coast in the northwestern Bay of Bengal based on two specimens (226 – 301 mm SL), each collected from Paradeep and Bahabalpur in 2018 and 2019, respectively. The detailed morphological features of C. bengalensis are provided and compared with its previous records. The species is distinguished from its congeners by having 12 dorsal fin rays, 10 anal fin rays, 18 – 19 pectoral fin rays, 10 – 11 caudal fin rays, nasal organ cup shaped with unequal sized flaps, and dorsal profile of body covered with white spots of various shape and size and ventral side silvery white. Our study indicated the range extension of C. bengalensis from its known geographical range i.e. Bangladesh and West Bengal towards south in the northern Bay of Bengal.

中文翻译：

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孟加拉湾西北部奥里萨邦海岸的孟加拉网纹河豚 Chelonodontops bengalensis (Tetraodontiformes: Tetraodontidae) 的首次记录及分类注释

本研究报告了来自孟加拉湾西北部奥里萨邦海岸的孟加拉网纹河豚 Chelonodontops bengalensis 的首次记录，基于两个标本（226 – 301 毫米 SL），每个标本分别于 2018 年和 2019 年从 Paradeep 和 Bahabalpur 收集。提供了 C. bengalensis 的详细形态特征，并与之前的记录进行了比较。该物种与其同类的区别在于具有 12 条背鳍条、10 条臀鳍条、18-19 条胸鳍条、10-11 条尾鳍条，鼻器杯状有大小不等的皮瓣，身体背部轮廓覆盖着白色各种形状和大小的斑点，腹面银白色。我们的研究表明 C. bengalensis 的范围从其已知的地理范围即孟加拉国和西孟加拉邦向孟加拉湾北部的南部延伸。