A new record of the bump-head sunfish Mola alexandrini (Tetraodontiformes: Molidae) from Yamaguchi Prefecture, western Honshu, Japan
E Sawai, Y Yamanoue, T Sonoyama, K Ogimoto… - …, 2018 - jstage.jst.go.jp
A specimen of Mola alexandrini (Ranzani, 1839) was captured in the waters off Yamaguchi
Prefecture, Japan in January 2018, representing three records for this species (first record of
a male from Japan, third record from the Sea of Japan and first record from Yamaguchi
Prefecture). The specimen (120.2 cm total length, 95.5 kg body weight) is the smallest M.
alexandrini recorded in Japan to date. The morphology of this specimen appeared to be in
the process of transformation to large body form. In sizes similar to this specimen, two body …
Prefecture, Japan in January 2018, representing three records for this species (first record of
a male from Japan, third record from the Sea of Japan and first record from Yamaguchi
Prefecture). The specimen (120.2 cm total length, 95.5 kg body weight) is the smallest M.
alexandrini recorded in Japan to date. The morphology of this specimen appeared to be in
the process of transformation to large body form. In sizes similar to this specimen, two body …
New locality record of the bump-head sunfish Mola alexandrini (Tetraodontiformes: Molidae) from Nagasaki Prefecture, western Japan
E Sawai, I Nakamura - Biogeography, 2020 - jstage.jst.go.jp
A female specimen of Mola alexandrini (Ranzani, 1839) was captured by set net off the Goto
islands, Nagasaki Prefecture, Japan on 22 October 2019. This specimen (194.5 cm total
length) represented the first record from Nagasaki Prefecture. Head and chin bumps
(taxonomic key characters of this species that develop ontogenetically) were not observed in
this specimen, and it was presumed that their development was delayed or was an
exceptional specimen without bumps. Moreover, the liver weight (2.23 kg) and digestive tract …
islands, Nagasaki Prefecture, Japan on 22 October 2019. This specimen (194.5 cm total
length) represented the first record from Nagasaki Prefecture. Head and chin bumps
(taxonomic key characters of this species that develop ontogenetically) were not observed in
this specimen, and it was presumed that their development was delayed or was an
exceptional specimen without bumps. Moreover, the liver weight (2.23 kg) and digestive tract …