Hoplonemertea |
Monostilifera |
Tetrastemmatidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق ? - 2 m (مرجع 125683). Subtropical
Northwest Pacific: Japan and Hong Kong. Subtropical to temperate.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 1.0 cm TL جنس نر / بدون خواص جنسي; (مرجع 125683)
Has a tetrastemmid shape: body bluntly rounded anteriorly, tapering gradually towards the tail, ending in a blunt tip. Four moderately sized eyes are distinct. Generally has a pale orange-brown color which fades anteriorly.
Found in roots of seaweeds between tidemarks (Ref. 907). Also found on coral debris and substrates composed of sand, gravel, and shell fragments (Ref. 125683). Among mussel beds (Ref. 126155).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the phylum Nemertea are mostly gonochoric. Life cycle: Eggs hatch and develop into short-lived lecitotrophic larvae before metamorphosing into juveniles and further into adults.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Iwata, F. 1954 The fauna of Akkeshi Bay. XX. Nemertini in Hokkaido (revised report). Reprinted from the Journal of the Faculty Science, Hokkaido University. Series VI, 12(1-2):39 p. (مرجع 907)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
Harmless
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
Trophic EcologyFood items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
Population dynamicsرشدMax. ages / sizesLength-weight rel.Length-length rel.نوسانات طولیMass conversionفراواني Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
طبقه قيمت
Unknown.