Polyplacophora |
Chitonida |
Ischnochitonidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
. Subtropical
Western Pacific: Japan, south to the Philippines.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 2.5 cm TL पुल्लिंग / अलिंग; (संदर्भ 283)
Valves broad; mostly light grayish brown; variously blotched with white, cream, pink, reddish chestnut or blackish brown; some specimens are olive colored mottled with white. Valve surface microgranulose, sculptured with numerous weak, glossy, radiating riblets. Girdle scaly and colored in alternating yellowish and grayish or brownish bands.
Found from intertidal to 50 m, on rocks and gravel (Ref. 75835). Also found under stones, just before Sargassum sp. (Ref. 128661).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | 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 Selected Chitons of Asia, Japan and Pacific region. A Gallery of Worldwide Chitons: http://home.inreach.com/burghart/asia.html[accessed20/01/06] (संदर्भ 283)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
साधन
अधिक जानकारी
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
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
