Bivalvia |
Arcida |
Cucullaeidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; गहराई सीमा 5 - 252 m (संदर्भ 348), usually 15 - 150 m (संदर्भ 348). Tropical
Indo-West Pacific: from northwest Indian Ocean, to Papua New Guinea and Loyalty Islands; north to Japan and south to southern New South Wales.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 10.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 348); common length : 6.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 348)
Shell relatively thin but solid, inflated, inequilateral, roughly quadrate to subtrigonal in shape, with a rounded umbono-ventral keel and an obliquely truncated posterior margin; slightly inequivalve, left valve somewhat projecting beyond right along posterior and ventral margins. Umbones subcentral, prominent, on top of a well-developed trigonal cardinal area which is engraved by oblique, chevron-shaped grooves and covered with a black external ligament. Outer sculpture of numerous radial riblets and concentric threads forming a fine reticulation. Periostracum conspicuous, velvety. Hinge elongate, straightish dorsally and weakly arched ventrally, bearing a series of transverse, diverging outward teeth, and rather long, subhorizontal teeth at both ends, at least in adults. Interior of shell porcelaneous. Two subequal adductor muscle scars; inner margin of posterior scar on a projecting shelf. Pallial line without a sinus. Internal margins with a fine crenulation becoming obsolete in old individuals. Colour: outside of shell purple tan, with a yellowish periostracum. Inner side white, more or less strongly tinged with dark reddish brown posteriorly.
On sandy to muddy bottoms offshore (Ref. 348).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | Larvae
Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam.
Poutiers, J.M. 1998. (संदर्भ 348)
IUCN Red List Status
(संदर्भ 130435: Version 2024-2)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
साधन
अधिक जानकारी
Trophic Ecologyखाद्य पदार्थ
संघटक आहार
आहार खपत
Food rations
परभक्षी
Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvaeलारवल गतिकी Human RelatedAquaculture profiles
Stamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): 20.7 - 29, mean 27.7 (based on 3394 cells).
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.