Echinoidea |
Arbacioida |
Arbaciidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 315 m (Ref. 87801). Temperate
Southern Ocean.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ?  range ? - ? cm
It is found on rocky substrates at depths of 0 to 315 m (Ref. 87801).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins.
Häussermann, V. and G. Försterra 2009 Marine benthic fauna of Chilean Patagonia. Santiago, Nature in Focus. 1000 p. (Ref. 87801)
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 dynamicsTillväxtMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundans PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 3.9 - 12.1, mean 7.1 (based on 421 cells).