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Scapharca indica, Rudder ark : fisheries

Common name (e.g. turtle)

Genus + Species (e.g. Caretta caretta)

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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

Classification / Names आम नाम | उपशब्द | CoL | ITIS | WoRMS

Bivalvia | Arcida | Arcidae

Environment: milieu / climate zone / गहराई सीमा / distribution range पारिस्थितिकी

; गहराई सीमा 0 - 25 m (संदर्भ 348).  Tropical

Distribution देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | भूमिका

Indo-West Pacific. Climate: tropical to subtropical.

Length at first maturity / आकार / Weight / Age

परिपक्व अवधि: Lm ?  range ? - ? cm Max length : 5.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 348); common length : 4.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 348)

Short description आकृति विज्ञान

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.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 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.

Main reference संदर्भ | संयोजक | सहयोगीयो

Poutiers, J.M. 1998. (संदर्भ 348)

IUCN Red List Status (संदर्भ 130435: Version 2024-2)

  Not Evaluated 

CITES status (संदर्भ 108899)

Not Evaluated

CMS (संदर्भ 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses

मात्स्यिकी: व्यापारिक
| FishSource |

साधन

E-book | कार्यक्षेत्र पथप्रदर्शक

अधिक जानकारी

Trophic Ecology
खाद्य पदार्थ
संघटक आहार
आहार खपत
Food rations
परभक्षी
पारिस्थितिकी
पारिस्थितिकी
Population dynamics
बाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Eggs
Egg development
Larvae
लारवल गतिकी
Distribution
देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
संयोग
भूमिका
Human Related
Aquaculture profiles
Stamps, coins, misc.
Outreach
सहयोगीयो
Taxonomy
आम नाम
उपशब्द
आकृति विज्ञान
तस्वीरे
संदर्भ
संदर्भ

इंटरनेट स्रोत

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, खोज) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 22.5 - 29.2, mean 28.6 (based on 2384 cells).
Vulnerability (संदर्भ 71543): Low vulnerability (10 of 100).
Price category (संदर्भ 80766): Unknown.

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