Bivalvia |
Venerida |
Veneridae
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Mức độ sâu 7 - 150 m (Tài liệu tham khảo 101604), usually 10 - 25 m (Tài liệu tham khảo 101635). Tropical; 38°N - 18°N, 123°W - 109°W
Eastern Pacific: Socorro Island, Mexico to Santa Cruz, California, USA.
Length at first maturity / Bộ gần gũi / Weight / Age
Chín muồi sinh dục: Lm ?, range 2 - 3.1 cm Max length : 15.0 cm SHL con đực/không giới tính; (Tài liệu tham khảo 101635)
The shell is strong, heavy, and generally smooth though sculptured with fine concentric growth lines; beak nearly central; ligament obvious, elongate, set in deep groove; periostracum shiny, greenish to brownish; shell pale buff to dark chocolate, occasionally marked with brown or purple-brown bands.
Maximum depth from Ref. 101605. Filter-feeder, feeds on phyto- and zooplankton, bacteria and detritus. Its predators may include crabs, snails, gulls, sea otters, sharks, rays and some fishes (Ref. 101635).
Gametogenesis begins in March or April and ripe gametes first appear in April and May. Gonadal development proceeds rapidly in June and July; spawning begins in late July or early August and continues to the end of November. Discharge of gametes appears to take place when there is a fair rise in water temperature. Males usually spawn first and their release of gametes stimulates the females to spawn. Spawning may occur several times during the season since only a portion of the gametes ripen at one time. (Ref. 101635).
Vakily, J.M. 1992 Determination and comparison of bivalve growth, with emphasis on Thailand and other tropical areas. ICLARM Technical Report 36:1-125. (Tài liệu tham khảo 7693)
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
Các nghề cá: Tính thương mại
| FishSource |
Các công cụ
Thêm thông tin
PhysiologyThành phần ô-xy
Human RelatedStamps, coins, misc.
Các nguồn internet
Estimates based on models
Preferred temperature
(Ref.
115969): 13.7 - 23.2, mean 20.7 (based on 16 cells).
Thích nghi nhanh
thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (K=0.12-0.18).
Fishing Vulnerability
Moderate to high vulnerability (54 of 100).
