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Helgocystis - Species in
Pourtalesiidae - - Classification -
- Pourtalesiidae
- Holasteroida
- Echinoidea
- Chordata
- Animalia
- Species in
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Helgocystis carinata (Agassiz, 1879)
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Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS
Echinoidea | Holasteroida | Pourtalesiidae
Environment: milieu / climate zone / djupintervall / distribution range Ekologi
. Polar
Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar
Antarctic Indian Ocean: Kerguelen.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm
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.
Main reference
referenser | Koordinator | Medarbetare
Murray, J. 1896. (Ref. 87480)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
CMS (Ref. 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Verktyg
Ytterligare information
Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Födosammansättning
Födointag
Predatorer
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Distribution
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
referenser
Internet-källor
BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, sök) | Zoological Record