Fishing bait worm supplies in Japan in relation to their physiological traits

Hidetoshi Saito, Koichiro Kawai, Tetsuya Umino and Hiromichi Imabayashi

Memoirs of Museum Victoria Vol 71 p. 279–287 (2014)

DOI
http://doi.org/10.24199/j.mmv.2014.71.21

Abstract

Market research was conducted from 2009 to 2013 to investigate the supply of live worms for fishing bait in Japan. We obtained 25 types of live fishing bait worms, including 16 species of polychaete, 1 species of echiuran, and 1 species of sipunculid. These were divided into three groups according to their country of origin: 1) worms supplied from native populations, five species (Perinereis wilsoni, Hediste diadroma, Kinbergonuphis enoshimaensis, Pseudopotamilla occelata, and Hydroides ezoensis), 2) worms supplied from both native and non-native populations, three species (Marphysa cf. iwamushi, Halla okudai, and Urechis unicinctus), and 3) worms supplied from non-native populations, 10 species (Perinereis linea, Alitta virens, Nectoneanthes uchiwa, Namalycastis rhodochorde, Glycera nicobarica, Diopatra sugokai, Marphysa cf. tamurai, Marphysa cf. mossambica, Scoletoma heteropoda, and Sipunculus nudus). Salinities in which no mortality of nereid worms occurred was 5–35 psu in Alitta virens, 5–30 psu in Namalycastis rhodochorde, and 10–35 psu in Perinereis linea. Worms living in temperate areas had a wide temperature tolerance of 5–30 °C in Alitta virens, Perinereis linea, Glycera nicobarica, Marphysa cf. iwamushi, and Scoletoma heteropoda. Tropical species (Namalycastis rhodochorde and Marphysa cf. mossambica) could not survive above 20 °C.

Citation

Saito, H., Kawai, K., Umino, T. & Imabayashi, H., 2014. Fishing bait worm supplies in Japan in relation to their physiological traits. Memoirs of Museum Victoria 71: 279-287. http://doi.org/10.24199/j.mmv.2014.71.21

PUBLICATION DATE: 18 December 2014

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