Graptolithoidea |
Cephalodiscoidea |
Cephalodiscidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
Pelagiska; djupintervall 104 - 640 m (Ref. 1456). Polar
Antarctica and Australia.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm
Oceanic (Ref. 973); tubiculous, on small stones of glacial origin at depth of 104 to 640 m. Colony-forming; associated with Bryozoa and hexactinellid sponges (Ref. 1456). Tubiculous, on small stones of glacial origin at a depth of 104 to 640 m (Ref. 1456).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Schiaparelli, S., R. Cattaneo-Vietti and P. Mierzejewski 2004 A "protective shell" around the larval cocoon of Cephalodiscus densus Andersson, 1907 (Graptolithoidea, Hemichordata). Polar Biol. 27:813-817. (Ref. 973)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic EcologyFood items (preys)
Födosammansättning
Födointag
Predatorer
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycleReproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 9, mean 0.9 (based on 126 cells).
Price category
Unknown.