Demospongiae |
Polymastiida |
Polymastiidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; गहराई सीमा 18 - 1226 m (संदर्भ 89939). Polar
Southern Ocean and the Antarctic: Antarctica, Kerguelen Island, and Terre Adélie.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: 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
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | 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] (संदर्भ 7979)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
साधन
अधिक जानकारी
Trophic EcologyFood items (preys)संघटक आहारआहार खपतपरभक्षी Population dynamicsबाढ़Max. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionबहुतायत Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 1.5, mean -0.7 (based on 1601 cells).
