Atrina seminuda   (Lamarck, 1819)

Half-naked pen shell

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Atrina seminuda  AquaMaps  Data sources: GBIF OBIS
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Atrina seminuda

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Bivalvia | Ostreida | Pinnidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 0 - 256 m (Ref. 83435).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Atlantic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 24.3 cm DL male/unsexed; (Ref. 83435); common length : 23.0 cm TL male/unsexed; (Ref. 344)

Short description Morphology

Shell large, fan-shaped, triangular. Surface sculpture of about 15 narrow radial ribs separated by larger interspaces; ribs bearing regularly spaced, fluted spines. Muscle scar completely surrounded by nacreous layer. Hinge area straight, representing larger side of triangular shell outline. Byssus at pointed extremity anchors penshell into seagrass bottom. Gaping, shorter side of triangular shell outline oriented upward. Colour: dark olive brown; mantle colour pale yellow.

Biology     Glossary (e.g. epibenthic)

Maximum depth from Ref. 104365 In shallow-water seagrass beds. Burrows in fine sand leaving only the broad posterior region exposed to the outside environment (Ref. 344).

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

Leal, J.H. 2003. (Ref. 344)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
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Tools

E-book | Field guide

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion
Collaborators
Pictures

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): 13.5 - 27.2, mean 23.3 (based on 322 cells).
Price category (Ref. 80766): Unknown.