Ascidiacea |
Stolidobranchia |
Pyuridae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; تغييرات عمق 0 - 15 m (مرجع 113256). Tropical, preferred 17°C (مرجع 107945)
Eastern Atlantic, Indo-West Pacific, and the Antarctic: Equatorial west coasts of South America and west and southeast Africa. tropical to temperate.
Length at first maturity / Size / Weight / سن
بلوغ: Lm ?  range ? - ? cm Max length : 40.0 cm TL جنس نر / بدون خواص جنسي; (مرجع 101433)
This is the largest African pyurid, some specimens are larger than 10 cm across (Ref. 2673). Benthic, marine; aggregations on sediment free rocky substrate; solitary on sandy substrate (Ref. 1134). It forms aggregates or mats in rocky intertidal environments (Ref. 3464). Also found in pier piles and reefs. Feeds on plankton or particles (Ref. 101296).
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
Kott, P. 2005 Catalogue of Tunicata in Australian Waters. Queensland Museum, Brisbane, Australia Department of the Environment and Heritage. (مرجع 1134)
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
ماهي گيري – شيلات: تجاري
FAO - آبزي پروري: production; ماهي گيري – شيلات: landings | FishSource | Sea Around Us
ابزارها
اطلاعات بيشتر
Population dynamicsرشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
Life cycleتولید مثلبلوغFecundityتخم ریزیEggsنمو تخمLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 11.9 - 27.3, mean 21.2 (based on 1415 cells).
Fishing Vulnerability
Low to moderate vulnerability (30 of 100).
Climate Vulnerability
High vulnerability (65 of 100).
طبقه قيمت
Unknown.
Nutrients : Calcium = 126 [75, 177] mg/100g; Iron = 4.79 [1.67, 7.92] mg/100g; Protein = 16.6 [15.4, 17.8] %; Omega3 = 0.331 [0.263, 0.400] g/100g; Selenium = 57.8 [48.5, 67.2] μg/100g; VitaminA = 0 μg/100g; Zinc = 1.97 [0.92, 3.02] mg/100g (wet weight); based on
nutrient studies.