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Zostera japonica Japanese eelgrass, Dwarf eelgrass

Zostera japonica is commonly referred to as Japanese eelgrass, Dwarf eelgrass. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.


Profilbild Urheber Timothy McNitt, USA

Foto: Point Whitehorn, Whatcom County, WA, USA, Ost.Pazifik

/ 23.06.2024
Courtesy of the author Timothy McNitt, USA . Please visit www.inaturalist.org for more information.

Uploaded by AndiV.

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lexID:
18539 
AphiaID:
495080 
Scientific:
Zostera japonica 
German:
Japanisches Seegras, Japanisches Zwergseegras 
English:
Japanese Eelgrass, Dwarf Eelgrass 
Category:
Seaweeds 
Family tree:
Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Zosteraceae (Family) > Zostera (Genus) > japonica (Species) 
Initial determination:
Ascherson & Graebner, 1907 
Occurrence:
Hong Kong, Russland, British Columbia, Canada Eastern Pacific, China, Corea, Eastern Pacific Ocean, Introduced species, Invasive Species, Japan, Kamtschatka, Kuril Islands, Northwest Pacific, Oregon, South China Sea, Taiwan, The Ryukyu Islands, Vietnam, Washington, West Coast USA 
Marine Zone:
Intertidal (Eulittoral), intertidal zone between the high and low tide lines characterized by the alternation of low and high tide down to 15 meters 
Sea depth:
0 - 13 Meter 
Habitats:
Bays, Beach, Brackish water, Estuaries (river mouths), Intertidal zone, Tidal Zone, Lagoons, Marine / Salt Water, Muddy grounds, Sandy sea floors 
Size:
up to 5.91" (15 cm) 
Temperature:
59 °F - 84.2 °F (15°C - 29°C) 
Food:
Dissolved inorganic substances) f.e.NaCL,CA, Mag, K, I.P, CO2, Dissolved organic substances, Photosynthesis 
Difficulty:
Not suitable for aquarium keeping 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2026-08-21 12:10:05 

Info

Zostera japonica quickly becomes a dominant seagrass species in the areas where it occurs, playing an important role in the marine and estuarine ecosystems as a nursery for fish, a feeding ground for sea turtles, and a producer of oxygen.

One reason for the proliferation of this small seagrass may be the fact that Zostera japonica can reproduce both sexually and asexually.
The reproductive shoots of this dwarf seagrass are sparsely branched but can grow up to 30 cm long!

In addition to its positive characteristics, however, the seagrass can have negative effects on mussel farming and harvests for the mussel industry, as is the case in Washington, in the eastern Pacific.

A particularly common inhabitant of the Zostera japonica seagrass beds is the goby Redigobius bikolanus (Herre, 1927).

Synonyms:
Nanozostera americana (Hartog) Tomlinson & Posluszny, 2001 · unaccepted > junior subjective synonym (synonym)
Nanozostera japonica (Ascherson & Graebner) Tomlinson & Posluszny, 2001 · unaccepted > junior objective synonym
Zostera americana Hartog, 1970 · unaccepted (synonym)
Zostera americana den Hartog, 1970 · alternative representation
Zostera japonica Ascherson & Graebner, 1907 · alternative representation
Zostera japonica subsp. austroasiatica Ohba & Miyata · unaccepted > junior objective synonym

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