2025 Volume 54 Pages 35-41
Morphological features and some ecological notes of the manca of Sandythoa moritakii (Saito & Yamauchi, 2016), released from a larvigerous female infesting the deepwater bullhead sculpin, Ereunias grallator Jordan & Snyder, 1901, were provided for the first time. The manca can be distinguished morphologically from the congeners by the typical enlarged pleopodal exopod 5. A total of 222 individuals were collected and reared in the laboratory of the Toba Aquarium. The final specimen survived 59 days, but 90.1% of mancae died within seven days. This study will be an important aid in understanding the life history of cymothoid isopods.
