Graptolithoidea |
Cephalodiscoidea |
Cephalodiscidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
पिलाजिक; गहराई सीमा 104 - 640 m (संदर्भ 1456). Polar
Antarctica and Australia.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: 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
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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. (संदर्भ 973)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
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 cycleपुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Eggs
Egg development
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): 0.1 - 9, mean 0.9 (based on 126 cells).
Price category
Unknown.