Polyplacophora |
Chitonida |
Ischnochitonidae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 0 - 72 m (Tài liệu tham khảo 290). Subtropical
Eastern Pacific: Canada, USA and Alaska.
Length at first maturity / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ?  range ? - ? cm Max length : 2.5 cm TL con đực/không giới tính; (Tài liệu tham khảo 296)
Girdle: scaled, where the scales are larger near the valves progressing down in size to smaller ones near the outer edge. Lateral areas: Not distinctly defined. Surface: smooth, even though it looks smooth to the naked eye, is minutely granulated. Mucro: Anti-median. This chiton highly colored and greatly variable (Ref. 296). Tegmentum color: Variable, mostly uniformly creamy yellow, orange, or reddish brown, or dark olive with whitish and brownish streaks radiating from the apices; some are completely white or black, and some have a combination of colors, often with ultramarine blue (Ref. 290).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | Larvae
Members of the class Polyplacophora are mostly gonochoric. Life cycle: Eggs hatch into lecitotrophic planktonic trocophore larvae (no veliger stage) which later metamorphose and settle on the bottom as young adults.
Burghardt, G. and L. Burghardt 2006 West Coast Chitons. A Gallery of Worlwide Chitons: http://home.inreach.com/burghart/wcoast.html[accessed20/01/06] (Tài liệu tham khảo 296)
IUCN Red List Status
(Tài liệu tham khảo 130435: Version 2025-1)
CITES status (Tài liệu tham khảo 108899)
Not Evaluated
CMS (Tài liệu tham khảo 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
Các công cụ
Thêm thông tin
Sinh thái dinh dưỡngFood items (preys)
Thành phần thức ăn
Thành phần thức ăn
Các động vật ăn mồi
Population dynamicsSự sinh trưởng
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Sự phong phú
Life cycleSự tái sinh sảnChín muồi sinh dụcSự sinh sảnĐẻ trứngEggsEgg developmentLarvae PhysiologyThành phần ô-xy
Human RelatedStamps, coins, misc.
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 6.9 - 10.7, mean 8.9 (based on 98 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.