Polyplacophora |
Chitonida |
Mopaliidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Temperate
Eastern Pacific: Canada, Alaska to Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 5.1 cm TL male/unsexed; (Ref. 296)
Girdle: Wide with sparse flat glassy hairs having several recurved spines at the base. Mucro: Strongly posterior. Valves: Beaked slightly. Central areas: Longitudinally ribbed and where each rib touches the lateral area there is a granular pustule. Pustules: Form a heavy lateral rib; from this rib the central area rib continues at an oblique angle on the lateral areas until it again reaches a granular pustule at the posterior edge of the valve; pustules form another granular rib along the posterior edge of each valve. Color: Ranging from dull gray, grays with white, greens with yellows, whites with yellows, greens with red, greens with maroon with white mixed in (Ref. 296). Body: Oval to elongate (Ref. 290). Girdle: Medium wide nude; microscopically granulated fleshy. Mucro: Anterior. Central areas: Smooth. Lateral areas: Defined by a slightly raised rib with a smooth area inside. Color of valves: Blood red with white lightning marks. Color of girdle: Cream (Ref. 296).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Appears to have an annual reproductive cycle with spawning cued by spring phytoplankton (Ref. 290).
Burghardt, G. and L. Burghardt. 2006. (Ref. 296)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet
Food consumption
Ration
Predators
Population dynamicsGrowth
Age/Size
Length-weight
Length-length
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvaeLarval dynamics Human RelatedAquaculture profile
Stamps, Coins Misc.
Internet sources
Estimates based on models
Preferred temperature
(Ref.
115969): 6.1 - 14, mean 8.8 (based on 364 cells).
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.