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Rigid Pen Shell (Atrina rigida)

Photo of Rigid Pen Shell (Atrina rigida)

Key facts

Scientific name
Atrina rigida
Common name
Rigid Pen Shell
Category
Molluscs
Family
Pinnidae
Genus
Atrina
Size
20–60 cm
Depth
1–10 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
seagrass-meadow, sandy-bottom
Behaviours
benthic
Ocean zones
Caribbean, Eastern Pacific

Description

Large rigid bivalve, seagrass Caribbean.

Photo of Rigid Pen Shell

Photo of Rigid Pen Shell (Atrina rigida)

Frequently asked questions

How big is the Rigid Pen Shell?
Rigid Pen Shell (Atrina rigida) reaches 20–60 cm in length.
At what depth can you find the Rigid Pen Shell?
Rigid Pen Shell is found between 1–10 m deep.
Is the Rigid Pen Shell dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Rigid Pen Shell?
IUCN status: Least concern (LC).
Where can you find the Rigid Pen Shell?
Found in: Caribbean, Eastern Pacific.

Other species in the genus Atrina

  • Atrina vexillum - Flag Pen Shell

Other species in the family Pinnidae

  • Pinna nobilis - Noble pen shell

Sources

  • Taxonomy: WoRMS (AphiaID 420739)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 2285347)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia