Ascidiacea |
Aplousobranchia |
Holozoidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 0 - 500 m (مرجع 3435). Polar
Southwest Atlantic, Southeast Pacific and the Antarctic: From Antarctica to Kerguelen Islands and South America. Subtropical to polar.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm
Found on soft bottoms at 20 to 30 m, either directly attached to the bottom or as epibionts on Pyura setosa, Cnemidocarpa verrucosa, Molgula pedunculata, Ascidia challengeri, Corella eumyota (Ref. 1753); often found on brown algae Lessionia trabeculata and also on pebbles (Ref. 3373). Known from depths of 0 to 500 m (Ref. 3435).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Members of the class Ascidiacea are hermaphroditic; both cross- and self-fertilization is typical. Life cycle: Eggs develop into lecithotrophic larva before metamorphosing into benthic adults.
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Tatian, M., R.J. Sahade, M.E. Doucet and G.B. Esnal 1998 Ascidians (tunicata, ascidiacea) of Potter cove, South Shetland Islands, Antarctica. Antarc. Sci. 10(2):147-152. (مرجع 1753)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
Not Evaluated
خطر برای انسان ها
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
Preferred temperature
(Ref.
115969): 0.6 - 8.8, mean 5.8 (based on 283 cells).
طبقه قيمت
Unknown.