Arcuatula arcuatula (Hanley, 1843)

Arcuate mussel

Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Arcuatula arcuatula AquaMaps Data sources: GBIF OBIS

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Arcuatula arcuatula

Classification / Names প্রচলিত নাম সমূহ | প্রতিনাম সমূহ | CoL | ITIS | WoRMS

Bivalvia | Mytilida | Mytilidae

Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range বাস্তুসংস্থান

. Tropical

Distribution দেশ সমূহ | এফ এ ও এলাকাসমূহ | বাস্তুতন্ত্র | দৃষ্টিগোচর | প্রচলন

Indo-West Pacific: from northwest Indian Ocean, including the Red Sea, to Indonesia; north to Vietnam and south to New Caledonia. Exact distribution of this species is not known, because of confusions with other related mytilid species.

Length at first maturity / আকৃতি / Weight / Age

পরিপক্কতা : L_m ? range ? - ? cm Max length : 5.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (সূত্র 348); common length : 3.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (সূত্র 348); সর্বোচ্চ উলি্ল্লখিত বয়স : 2.00 বৎসর (সূত্র 8702)

Short description বহিঃ অঙ্গ সংস্থান

Shell rather small, thin and fragile, somewhat translucent, roughly elongate trapeziform in outline, with very long and rather narrow shape. Anterior margin of valves quite short and sharply rounded, clearly extending forwards beyond the umbones. Ventral margin very long and broadly concave medially. A broad and rounded keel, radiating obliquely towards posteroventral end of valves and bordered anteriorly by a wide and shallow depression determining the sinuation of ventral margin. Outer surface of valves smoothish with only fine concentric growth lines and a few small radial grooves in front of the umbones. Periostracum smooth and shiny, translucent, closely applied to shell surface. Hinge line with very small crenulations, mainly appearing behind the ligamental margin. Anterior adductor scar present. Internal margins very thin and smooth, undulate anteriorly in relation to the outer radial sculpture. Colour: outer coloration variable, light tan to olive-green or brown, often paler on the keel, with a median radial band and sometimes irregular transverse stripes of purplish brown on posterodorsal slope. Interior slightly pearly, pale bluish grey with the outer colour pattern showing through.

On soft bottoms, often occurring gregariously. Intertidal and shallow subtidal waters (Ref. 348).

Life cycle and mating behavior পরিপক্কতা | প্রজনন | ডিম ছাড়া | Eggs | ডিম্বধারন ক্ষমতা | 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.