Japan country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments: Dredged by U.S.S. 'Albatross' at the eastern coast of Japan.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: McClendon, J.F., 1906
National Database:

Common names from other countries

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Classification / Names / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS

> Aciculata () > Myzostomidae ()

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

. Temperate

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Northwest Pacific: Japan.

Length at first maturity / आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm Max length : 0.6 cm TL पुल्लिंग / अलिंग; (Ref. 1172)

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults.

Main reference संदर्भ | संयोजक | सहयोगीयो

McClendon, J.F. 1906. (Ref. 1172)

IUCN Red List Status (Ref. 130435: Version 2024-1)

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Myzostoma metacrini McClendon, 1906