Gastropoda |
Trochida |
Calliostomatidae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 42 m (Ref. 865). Temperate
Eastern Pacific and the Arctic: From Alaska to Mexico. Tropical to boreal.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 3.0 cm SHD hane/ej könsbestämd; (Ref. 865); common length : 3.5 cm SHH hane/ej könsbestämd; (Ref. 312)
Description: Shell is conical and colored shiny gold with iridescent purple rings (Ref. 312).
It has a shell height of 3.5 cm (Ref. 312). Occurs at low intertidal to subtidal levels. Omnivorous, feeds on kelp, detritus, diatoms, copepods, hydroids, and bryozoans. During good weather, they like to move up the stalks of the kelp towards the sun (Ref. 312). Also in Ref. 95344.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the order Archaeogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.
Gallivan, G. and J. Danforth 1999 Phylum Mollusca. Marine Science Institute. Http://216.239.51.104/search?q=cache:EEiLeA0OeAMJ:www2.ucsc.edu/simp/guide.pdf+Nuttalina+californica&hl=tl&gl=ph&ct=clnk&cd=8 [accessed 20/01/06] (Ref. 312)
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
Population dynamicsTillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
PhysiologySyreförbrukning
Human RelatedStamps, coins, misc.
Internet-källor
Estimates based on models
Preferred temperature
(Ref.
115969): 5.7 - 15.2, mean 9 (based on 124 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
