Scaphopoda |
Dentaliida |
Anulidentaliidae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 1641 - 1641 m (Tài liệu tham khảo 1821). Temperate
Northwest Atlantic: Japan Trench. Subtropical to boreal climates.
Length at first maturity / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ?  range ? - ? cm Max length : 4.0 cm SHL con đực/không giới tính; (Tài liệu tham khảo 2071); common length : 2.7 cm SHL con đực/không giới tính; (Tài liệu tham khảo 2071)
Shell: very thin, translucent to transparent, slightly curved and slender, expanding gradually. Radula: Rachidian; superior border with three central projections that eroded quickly and absent in the anterior rows; laterals with pronounced head with a prominent primary cusp, one low posterior secondary denticle and one sharp anterior secondary denticle which is followed by a short nodulose ridge; marginals weakly sinusoidal, outer border wider than that adjacent to the laterals. Mantel edges: anterior with short longitudinal slits positioned dorsoventrally and leads posteriorly from the frontal epithelium of the mantel edge and close to form a short tube; posterior mantel edge forms a valve apparatus with a ventral bolster of connective tissue; a ring of large cells with long cilia outside of the valve apparatus; a two to three-fiber ligament runs from between the statocysts and extending posteriorly to attach at the buccal septum; with two pairs of dorsoventral muscles in the abdominal region, a large inner pair and a smaller outer pair.
Depth based from holotype (Ref. 1821); to be replaced with a better reference. Length values from type series (Ref. 2071).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | Larvae
Members of the class Scaphopoda are gonochoric. Fertilization occurs in the mantle cavity. Life cycle: Eggs hatch into free-swimming lecithotrophic trochophore larvae, succeeded by shelled veligers.
Steiner, G. and A.R. Kabat. 2004. (Tài liệu tham khảo 1821)
IUCN Red List Status
(Tài liệu tham khảo 130435: Version 2024-2)
CITES status (Tài liệu tham khảo 108899)
Not Evaluated
CMS (Tài liệu tham khảo 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Các công cụ
Thêm thông tin
Sinh thái dinh dưỡngCác loại thức ăn
Thành phần thức ăn
Thành phần thức ăn
Food rations
Các động vật ăn mồi
Population dynamicsSự sinh trưởng
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Bổ xung
Sự phong phú
Life cycleSự tái sinh sảnChín muồi sinh dụcSự sinh sảnĐẻ trứngEggsEgg developmentLarvaeSự biến động ấu trùng Human RelatedAquaculture profiles
Stamps, coins, misc.
Các nguồn internet
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.