Crassedoma giganteum, Rock scallop

Crassedoma giganteum   (Gray, 1825)

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

Bivalvia | Pectinida | Pectinidae

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

Benthic; depth range 0 - 45 m (Ref. 865).  Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Eastern Pacific: Canada to Mexico.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 20.0 cm SHD male/unsexed; (Ref. 865)

Biology     Glossary (e.g. epibenthic)

Found on rocks in low intertidal areas up to a depth of 48 meters (Ref. 865).

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

Backe, N., S. Davies, K. Conley, G. Kosmider, G. Rasmussen, H. Ibey and K. Ladell 2011 Race Rocks (XwaYeN) proposed marine protected area ecosystem overview and assessment report. Canadian Manuscript Report of Fisheries and Aquatic Sciences 2949:30p. (Ref. 93875)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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Tools

E-book | Field guide

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Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
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Taxonomy
Common names
Synonyms
Morphology
Pictures
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

Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).
Price category (Ref. 80766): Medium.

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