Demospongiae |
Tetractinellida |
Tetillidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; गहराई सीमा 18 - 761 m (संदर्भ 89939). Polar
Antarctic.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm
White or pale yellow. Round, with distinctive tufts of long spicules. May grow up to 30 cm in height (Ref. 89939).
Suspension feeders. Preyed on by starfishes, with spicules providing defense to some extent (Ref. 89939).
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.
Vacelet, J. and F. Arnaud 1972 Inverébrés Marins des XIIéme et XVéme Expéditions Antarctiques Françaises en Terre Adélie. 2. Démosponges. Tethys Supplement 4:9-24. (संदर्भ 87710)
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 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 - 0.9, mean -1 (based on 545 cells).
