Gastropoda |
Lepetellida |
Haliotidae
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; εύρος βάθους 0 - 6 m (Αναφ. 865). Subtropical; 44°N - 28°N, 125°W - 113°W
Eastern Pacific: USA to Mexico. Historically occurred from Crescent City, California to southern Baja California, Mexico; however, current constricted range occurs from Point Arena, California to Bahia Tortugas, Mexico.
Length at first maturity / Μέγεθος / Weight / Age
Γεννητική Ωρίμανση: Lm ?, range 5 - ? cm Max length : 29.0 cm SHW αρσενικό/απροσδιόριστο; (Αναφ. 312); μεγ. αναφερόμενη ηλικία: 51 έτη (Αναφ. 8702)
Shell is dark blue-black and smooth. It is usually free from seaweed and other marine growth. The holes near the shell edge are used to carry of waste and release eggs and sperm (Ref. 312).
Fisheries: the meat is eaten fresh or dried; the shell is used as ornament or served as spoons or bowls (Ref. 312). Found under large rocks and in deep crevices in the middle to low intertidal zones. Herbivorous; known to grab drifting blades of brown algae with their tentacles; they also scrape diatoms and other microscopic algae from rocks. Usually feeds on various species of brown algae, but the smaller individuals ingest diatoms and coralline algae. Preyed on by humans. Under crowded conditions, adult abalones may graze the growth of marine plants from other shells (Ref. 312).
Broadcast spawners (Ref. 105180).
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] (Αναφ. 312)
IUCN Red List Status
(Αναφ. 130435: Version 2025-1)
CITES status (Αναφ. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
αλιεία: Εμπορικό(ά)
| FishSource |
Εργαλεία
Περισσότερες πληροφορίες
PhysiologyΚατανάλωση οξυγόνου
Human RelatedStamps, coins, misc.
Διαδικτυακές πηγές
Estimates based on models
Preferred temperature
(Ref.
115969): 12.2 - 18.6, mean 15.9 (based on 61 cells).
Fishing Vulnerability
Moderate to high vulnerability (55 of 100).