Discovery of the violet blanket octopus, Tremoctopus violaceus Chiaje, 1830 (Cephalopoda: Tremoctopodidae) from Korea
Taek-Kwan Oh, Chae Un Park and Sang-Hwa Lee
National Marine Biodiversity Institute of Korea, Seocheon, 33662, Republic of Korea
In the present study, a violet blanket octopus, Tremoctopus violaceus Chiaje, 1830, was collected for the first time in Korea. This species is widely distributed in tropical and subtropical oceans. To data, only a single Tremoctopus species, Tremoctopus gracilis (Souleyet, 1852) has been reported from Korean waters. In the case of T. violaceus, there is insufficient evidence to register it as a domestic species because the mobility and migratory characteristics of octopus have not been confirmed. Herein, we provide the morphological characteristics of T. violaceus with mitochondrial cytochrome c oxidase I (cox1) partial sequence.
  
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