Demospongiae |
Polymastiida |
Polymastiidae
Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
; গভীরতার পরিসীমা 18 - 1226 m (সূত্র 89939). Polar
Southern Ocean and the Antarctic: Antarctica, Kerguelen Island, and Terre Adélie.
Length at first maturity / আকৃতি / Weight / Age
পরিপক্কতা : Lm ? range ? - ? cm
Greenish gray to yellow. Hemispherical and bristly, with until 2 large conical papillae that contracts when disturbed. Up to 11 cm in diameter (Ref. 089939).
Common on cliffs and hard surfaces. Also settles on small stones then extend out onto to the mud. Apparently able to remove sediment build-up by contraction and relaxation. Suspension feeder; preyed upon by starfishes. Larvae disperse by crawling (Ref. 089939).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | Eggs | ডিম্বধারন ক্ষমতা | Larvae
Members of the class Demospongiae are hermaphroditic. Life cycle: The zygote develops into parenchymella larva (free-swimming) before settling down on a substrate where it grows into a young sponge.
van Soest, R., N. Boury-Esnault, D. Janussen and J. Hooper 2005 World Porifera database. http://www.vliz.be/vmcdcdata/porifera. Consulted on 2007-08-06 [accessed06/08/07] (সূত্র 7979)
IUCN Red List Status
(সূত্র 130435: Version 2025-1)
CITES status (সূত্র 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
হাতিয়ার
আরো তথ্য
Population dynamicsবৃদ্ধিMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionপ্রাচুর্য Life cycleপ্রজনন পরিপক্কতা ডিম্বধারন ক্ষমতা ডিম ছাড়া EggsEgg developmentLarvae Physiologyঅম্লজান ব্যবহার
Human RelatedStamps, coins, misc.
ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 1.5, mean -0.7 (based on 1601 cells).
