Polyplacophora |
Chitonida |
Mopaliidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; गहराई सीमा 0 - 100 m (संदर्भ 289). Temperate
Northeast Pacific, Atlantic ocean and Arctic Ocean: Alaska and USA. Temperate to polar.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 6.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 289)
Depth: Intertidal to 100 m. Habitat: On rocks (Ref. 289). Body: Oval; with the valves nearly covered by a brown skin continued upward from the girdle, but their outlines are plainly visible through this integument. Small exposed portion of each median valve: Broadly heart-shaped and situated at the posterior margin of each valve; it is sculptured with strong concentric grooves and a more or less distinct granulation. Girdle: Thin, smooth with sparsely scattered small bunches of hairs (Ref. 297). Known to occur on bathyal, infralittoral and circalittoral of the Gulf and estuary (Ref. 87872).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | Larvae
Sexes are separate but they are indistinguishable externally. Fertilization is external and usually the eggs are shed into the water.
Burghardt, G. and L. Burghardt 2006 West Coast Chitons. A Gallery of Worlwide Chitons: http://home.inreach.com/burghart/wcoast.html[accessed20/01/06] (संदर्भ 296)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
साधन
अधिक जानकारी
Trophic EcologyFood items (preys)
संघटक आहार
आहार खपत
परभक्षी
Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): 0.2 - 9.1, mean 2.2 (based on 1202 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
