|
Polymastiida |
Polymastiidae
Environment: milieu / climate zone / depth range / distribution range
Écologie
; profondeur 18 - 1226 m (Ref. 89939). Polar
Southern Ocean and the Antarctic: Antarctica, Kerguelen Island, and Terre Adélie.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Description synthétique
Morphologie
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
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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. (Ref. 7979)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
statut CITES (Ref. 108899)
Not Evaluated
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
| FishSource |
Outils
Plus d'informations
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurMorphologieLarvesAbondance
Sources Internet
Estimates based on models
Preferred temperature
(Ref.
115969): -1.8 - 1.5, mean -0.7 (based on 1601 cells).
