Polyplacophora |
Chitonida |
Mopaliidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Temperate
Eastern Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 7.6 cm TL male/unsexed; (Ref. 296)
Girdle: Medium wide covered with thick recurved bristles. Mucro: Slightly posterior and depressed. Sculpturing of the central area of valves and jugum: Radiated pitting which is finer at dorsal and gets larger towards the girdle. Lateral area: Flat and granular and appears nearly smooth; It is definable by a slightly raised rib. Color of the valves: Slate blue streaked with dark brown. Color of the girdle: Cream (Ref. 296).
Maximum Total Length: 7.6 m. Depth: Intertidal (Ref. 290). Habitat: Sides or bottoms of large boulders on open coast (Ref. 315). Occurs on the sides or bottoms of large boulders in the open coast (Ref. 315); mid to low tide zones from Alaska to Point Concepcion (Ref. 312). Herbivorous, preferring diatoms and green alga, e.g., sea lettuce Ulva sp. (Ref. 312).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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. (Ref. 296)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.