Bivalvia |
Arcida |
Cucullaeidae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 5 - 252 m (Tài liệu tham khảo 348), usually 15 - 150 m (Tài liệu tham khảo 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 / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ?  range ? - ? cm Max length : 10.0 cm TL con đực/không giới tính; (Tài liệu tham khảo 348); common length : 6.0 cm TL con đực/không giới tính; (Tài liệu tham khảo 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
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | 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 Bivalves. Acephala, Lamellibranchia, Pelecypoda. p. 123-362. In Carpenter, K. E. and V. H. Niem. 1998. FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 1. Seaweeds, corals, bivalves, and gastropods. Rome, FAO. (Tài liệu tham khảo 348)
IUCN Red List Status
(Tài liệu tham khảo 130435: Version 2025-1)
CITES status (Tài liệu tham khảo 108899)
Not Evaluated
CMS (Tài liệu tham khảo 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
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Thêm thông tin
Sinh thái dinh dưỡngFood items (preys)
Thành phần thức ăn
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Population dynamicsSự sinh trưởng
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Sự phong phú
Life cycleSự tái sinh sảnChín muồi sinh dụcSự sinh sảnĐẻ trứngEggsEgg developmentLarvae PhysiologyThành phần ô-xy
Human RelatedStamps, coins, misc.
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 20.7 - 29, mean 27.7 (based on 3394 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.