Demospongiae |
Dendroceratida |
Darwinellidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
. Polar
Antarctic: Antarctica, Adelaide Island and Kerguelen Island.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Bright yellow; spiky (Ref. 089939).
Common on shallow rocky surfaces and occasional on under-surfaces of boulders. Grows on macro-algae, organism shells or hard rock (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.
Sarà, M., A. Balduzzi, M. Barbieri, G. Bavestrello and B. Burlando 1992 Biogeographic traits and checklist of Antarctic demosponges. Polar Biol. 12:559-585. (संदर्भ 87531)
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 आहार
आहार खपत
परभक्षी
Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
