Diodora aspera, Keyhole limpet

Diodora aspera   (Rathke, 1833)

Keyhole limpet

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Diodora aspera  AquaMaps  Data sources: GBIF OBIS
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drawing shows typical species in Fissurellidae.

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

Gastropoda | Lepetellida | Fissurellidae

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

Benthic; depth range 0 - 15 m (Ref. 865).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Pacific and the Arctic: from Alaska to Baja California. Subtropical to polar.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 7.5 cm TL male/unsexed; (Ref. 865); common length : 7.0 cm SHL male/unsexed; (Ref. 312)

Short description Morphology

Description: Color is usually gray-brown and white. Radiating ribs of shell are both light and dark. There is a small opening at the peak (Ref. 312).

Biology     Glossary (e.g. epibenthic)

It has a shell length of 7 cm long (Ref. 312). Occurs at low intertidal zones. Omnivorous; encrusting bryozoans are sometimes consumed in preference to algae. When under attack by a sea star, it will extend its mantle flap over its foot and shell so that the tube feet of the star fish cannot grasp it (Ref. 312).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the order Patellogastropoda are mostly gonochoric and broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults.

Main reference References | Coordinator | Collaborators

Gallivan, G. and J. Danforth. 1999. (Ref. 312)

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

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Predators
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Ecology
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Abundance
Life cycle
Reproduction
Maturity
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Spawning
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Larvae
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Introductions
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References
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): 6.3 - 15.7, mean 8.9 (based on 395 cells).
Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Unknown.

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