Gastropoda |
Nudibranchia |
Dorididae
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; djupintervall 0 - 28 m (Ref. 865). Subtropical
Eastern Pacific, Southwest Atlantic and the Arctic.
Length at first maturity / Size / Weight / Age
Könsmognad: Lm ? range ? - ? cm Max length : 15.0 cm TL hane/ej könsbestämd; (Ref. 844); common length : 5.0 cm TL hane/ej könsbestämd; (Ref. 312)
It is bright yellow to yellow-orange with dark markings both on and between the tubercles, or bumps, on its back; and an oval body with seven gills. Its oral tentacles are ear-shaped (Ref. 312).
Occurs in low intertidal to subtidal zones with hard substrate. Feeds on sponges (Ref. 312), e.g., Halichondria sp. (Ref. 822). Also in Ref. 93916.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae
Members of the order Nudibranchia are simultaneous hermaphrodites. Mating behavior: Both individuals darts their penis toward each other to induce one to act as a male and the other as the female. The victorious one to penetrate the body wall is the dominant male. Life cycle: Eggs are deposited on a substratum where they develop and hatch into (planktonic) vestigial veliger larval stage and further grow as 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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
