Scapharca indica, Rudder ark : fisheries

Scapharca indica   (Gmelin, 1791)

Rudder ark

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Scapharca indica  AquaMaps  Data sources: GBIF OBIS
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Image of Scapharca indica (Rudder ark)
Scapharca indica

رده بندی / Names اسامي عام | مترادف | CoL | ITIS | WoRMS

Bivalvia | Arcida | Arcidae

Environment: milieu / climate zone / تغييرات عمق / distribution range بوم شناسي

; تغييرات عمق 0 - 25 m (مرجع 348).  Tropical

Distribution كشورها | مناطق سازمان خوار و بار جهاني (FAO) | Ecosystems | ظهور | معرفي

Indo-West Pacific. Climate: tropical to subtropical.

Length at first maturity / Size / Weight / سن

بلوغ: Lm ?  range ? - ? cm Max length : 5.0 cm TL جنس نر / بدون خواص جنسي; (مرجع 348); common length : 4.0 cm TL جنس نر / بدون خواص جنسي; (مرجع 348)

توصيف مختصر ريخت شناسي

Shell solid, laterally compressed and subrectangular in shape, very inequilateral, much longer than high and wider posteriorly; slightly inequivalve, left valve somewhat overlapping the right valve on posteroventral margin. Umbones small and situated anteriorly, cardinal area long and narrow. About 28 radial ribs (25 to 33) at each valve; ribs low and flat, wider than the interstices, slightly granulated on the anterior part of left valve. Periostracum coarse, concentrically striated. Internal margins with crenulations corresponding with the external radial ribs. No byssal gape. Colour: outside of shell whitish under the blackish brown periostracum. Inner side white, often tinged pale grey at periphery.

زيست شناسي     واژه نامه (بعنوان مثال epibenthic)

This species is considered to have a wide range, but the relationship between the Indian Ocean and West Pacific forms is insufficiently known (Ref. 348). On sand and mud bottoms. Littoral and sublittoral to a depth of 25 m (Ref. 348).

Life cycle and mating behavior بلوغ | تولید مثل | تخم ریزی | 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.

مآخذ اصلی مراجع | هماهنگ كننده | همكاران

Poutiers, J.M. 1998. (مرجع 348)

وضعيت در فهرست قرمز IUCN (مرجع 130435: Version 2024-2)


وضعيت از نظر سايتس (مرجع 108899)

Not Evaluated

CMS (مرجع 116361)

Not Evaluated

خطر برای انسان ها

  Harmless

استفاده انسانی

ماهي گيري – شيلات: تجاري
| FishSource |

ابزارها

اطلاعات بيشتر

Trophic Ecology
Food items (preys)
تركيب غذايي
مصرف غذايي
شکارچیان
بوم شناسي
Population dynamics
رشد
Max. ages / sizes
Length-weight rel.
Length-length rel.
نوسانات طولی
Mass conversion
فراواني
Life cycle
تولید مثل
بلوغ
Fecundity
تخم ریزی
Eggs
نمو تخم
Larvae
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
مراجع

منابع اينترنتي

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (ژنوم, نوکلئوتيد) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (برو, جستجو) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 22.5 - 29.2, mean 28.6 (based on 2384 cells).
Fishing Vulnerability (مرجع 71543): Low vulnerability (10 of 100).
طبقه قيمت (مرجع 80766): Unknown.