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Pourtalesia - Species in
Pourtalesiidae - - Classification -
- Pourtalesiidae
- Holasteroida
- Echinoidea
- Chordata
- Animalia
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Pourtalesia debilis Koehler, 1926
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS
Echinoidea | Holasteroida | Pourtalesiidae
Environment: milieu / climate zone / depth range / distribution range Ecology
Benthic. Polar
Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions
Southwest Pacific and Antarctic: New Zealand and Kerguelen.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Known from eurybathic waters (Ref. 87520).
Life cycle and mating behavior Maturity | Reproduction | Spawning | 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
References | Coordinator | Collaborators
Kroh, A. 2010 Pourtalesia debilis Koehler, 1926. In Kroh, A. & Mooi, R. (2010) World Echinoidea Database. Accessed through: De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds). The SCAR-MarBIN Register of Antarctic Marine Species (RAMS) at http://www.scarmarbin.be/rams.php?p=taxdetails&id=160820 on 2011-07-25. (Ref. 87415)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
CMS (Ref. 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
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Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Diet composition
Food consumption
Predators
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Distribution
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
References
Internet sources
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, Search) | Zoological Record