Interannual variations in diet of Japanese jack mackerel ( Trachurus japonicus ) juveniles in the southwestern Sea of Japan in relation to recent growth rate

2021 ◽  
Author(s):  
Chiyuki Sassa ◽  
Satoshi Kitajima ◽  
Motomitsu Takahashi
Keyword(s):  
Growth Rate ◽  
Sea Of Japan ◽  
Interannual Variations ◽  
Jack Mackerel ◽  
Trachurus Japonicus ◽  
Recent Growth ◽  
Japanese Jack Mackerel

Linking environmental drivers, juvenile growth, and recruitment for Japanese jack mackerel Trachurus japonicus in the Sea of Japan

2021 ◽  
Author(s):  
Motomitsu Takahashi ◽  
Chiyuki Sassa ◽  
Satoshi Kitajima ◽  
Mari Yoda ◽  
Youichi Tsukamoto
Keyword(s):  
Sea Of Japan ◽  
Environmental Drivers ◽  
The Sea Of Japan ◽  
Juvenile Growth ◽  
Jack Mackerel ◽  
Trachurus Japonicus ◽  
Japanese Jack Mackerel

scholarly journals Interannual variations in distribution and abundance of Japanese jack mackerel Trachurus japonicus larvae in the East China Sea

2016 ◽  
Vol 73 (4) ◽  
pp. 1170-1185 ◽  
Author(s):  
Chiyuki Sassa ◽  
Motomitsu Takahashi ◽  
Yoshinobu Konishi ◽  
Youichi Tsukamoto
Keyword(s):  
East China Sea ◽  
East China ◽  
Late Winter ◽  
Larval Abundance ◽  
Interannual Variations ◽  
Jack Mackerel ◽  
The East China Sea ◽  
Trachurus Japonicus ◽  
China Sea ◽  
Japanese Jack Mackerel

Abstract We examined the interannual variations in distribution and abundance of Japanese jack mackerel Trachurus japonicus larvae <5 mm standard length (SL), based on sampling surveys over a broad area of the shelf break region of the East China Sea (ECS) during late winter and spring for 12 years from 2001 to 2012. Larval abundances in late winter were higher than those in spring. In late winter, ratios (expressed as %) of larval abundance in the southern ECS south of 28°N to the whole study area were highest during the study period, with values ranging from 80.0 to 95.8%. In spring, the ratios in the southern ECS were still high (34.3–88.8%), although the values increased slightly in the northern and central ECS. There was no significant interannual variation in the centre of distribution of the larvae, suggesting that the formation of spawning grounds would be related to topographic rather than hydrographic conditions. Habitat temperature of larvae in the central and southern ECS was ∼3–5°C higher than that in the northern ECS throughout the study period, indicating that larval growth and survival processes may differ between the two areas. In the southern ECS, larval abundances fluctuated largely from year-to-year, and the interannual variations were closely correlated with water temperature and chlorophyll a concentration. However, larval abundance did not correlate with an index of recruited juveniles (∼50–75 mm SL) in the ECS, suggesting that mortality during the late larval and early juvenile stages is responsible for recruitment success or failure.

scholarly journals Environmental DNA as a ‘Snapshot’ of Fish Distribution: A Case Study of Japanese Jack Mackerel in Maizuru Bay, Sea of Japan

PLoS ONE ◽  
2016 ◽  
Vol 11 (3) ◽  
pp. e0149786 ◽  
Author(s):  
Satoshi Yamamoto ◽  
Kenji Minami ◽  
Keiichi Fukaya ◽  
Kohji Takahashi ◽  
Hideki Sawada ◽  
...  
Keyword(s):  
Sea Of Japan ◽  
Environmental Dna ◽  
Fish Distribution ◽  
Jack Mackerel ◽  
Japanese Jack Mackerel

Revisiting morphological identification of Japanese jack mackerel Trachurus japonicus eggs preserved in formalin

2014 ◽  
Vol 80 (3) ◽  
pp. 517-529 ◽  
Author(s):  
Masato Nishiyama ◽  
Mami Saito ◽  
Yasuhiro Sanada ◽  
Shizumasa Onoue ◽  
Akinori Takasuka ◽  
...  
Keyword(s):  
Morphological Identification ◽  
Jack Mackerel ◽  
Trachurus Japonicus ◽  
Japanese Jack Mackerel

Annual reproductive cycle and spawning ground formation in Japanese jack mackerel Trachurus japonicus in the Uwa Sea, Japan

2018 ◽  
Vol 85 (2) ◽  
pp. 303-315
Author(s):  
Daisuke Hashida ◽  
Naoki Matsumoto ◽  
Takeshi Tomiyama
Keyword(s):  
Reproductive Cycle ◽  
Spawning Ground ◽  
Annual Reproductive Cycle ◽  
Jack Mackerel ◽  
Trachurus Japonicus ◽  
Japanese Jack Mackerel

Age and growth from Oita and Miyagi Prefectures of Japanese jack mackerel Trachurus japonicus

2019 ◽  
Vol 85 (3) ◽  
pp. 475-481 ◽  
Author(s):  
Satoshi Katayama ◽  
Hidetoshi Yamada ◽  
Keiichi Onodera ◽  
Yoshio Masuda
Keyword(s):  
Age And Growth ◽  
Jack Mackerel ◽  
Trachurus Japonicus ◽  
Japanese Jack Mackerel

scholarly journals Development of method for estimation of 0+fish abundance index of jack mackerel Trachurus japonicus by mid-water trawling and area-swept method in the southwestern Sea of Japan

2009 ◽  
Vol 75 (6) ◽  
pp. 1042-1050 ◽  
Author(s):  
TSUYOSHI SHIMURA ◽  
SEIJI OHSHIMO ◽  
HIROYOSHI TERAKADO ◽  
YONGJUN TIAN
Keyword(s):  
Sea Of Japan ◽  
Fish Abundance ◽  
Jack Mackerel ◽  
Abundance Index ◽  
Trachurus Japonicus
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