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Arcuatula - Species in
Mytilidae - - Classification / Names -
- Mytilidae
- Mytilida
- Bivalvia
- Chordata
- Animalia
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Arcuatula arcuatula (Hanley, 1843)
Arcuate mussel| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Arcuatula arcuatula AquaMaps Data sources: GBIF OBIS |
Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS
Bivalvia | Mytilida | Mytilidae
Environment: milieu / climate zone / depth range / distribution range Ecology
Benthic. Tropical
Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions
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 / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 5.0 cm TL male/unsexed; (Ref. 348); common length : 3.0 cm TL male/unsexed; (Ref. 348); max. reported age: 2.00 years (Ref. 8702)
Short description Morphology
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.
Life cycle and mating behavior Maturity | Reproduction | Spawning | 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
References | Coordinator | Collaborators
Poutiers, J.M. 1998. (Ref. 348)
IUCN Red List Status (Ref. 130435: Version 2024-1)
CITES status (Ref. 108899)
Not Evaluated
CMS (Ref. 116361)
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
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More information
Trophic Ecology
Food items
Diet
Food consumption
Ration
Predators
Diet
Food consumption
Ration
Predators
Ecology
Life cycle
Distribution
Human Related
Aquaculture profile
Stamps, Coins Misc.
Stamps, Coins Misc.
Outreach
References
Internet sources
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, Search) | Zoological Record
Estimates based on models
Preferred temperature
(Ref. 115969): 27.1 - 29.3, mean 28.7 (based on 1810 cells).
Resilience
(Ref. 69278):
High, minimum population doubling time less than 15 months (K=1.2; tmax=2).