Invasion History

First Non-native North American Tidal Record:
First Non-native West Coast Tidal Record:
First Non-native East/Gulf Coast Tidal Record:

General Invasion History:


North American Invasion History:




Taxonomic Tree

Kingdom:   Animalia
Phylum:   Mollusca
Class:   Gastropoda
Order:   Neotaenioglossa
Family:   Calyptraeidae
Genus:   Bostrycapulus
Species:   calyptraeformis


Crepidula aculeata (Dall 1909, None)
Crepidula aculeata hawaiiensis (Dall 1922, None)

Potentially Misidentified Species

Bostrycapulus odites
Atlantc species



Phytoplankton, detritus

Trophic Status:

Suspension Feeder



General HabitatRockyNone
General HabitatMarinas & DocksNone
General HabitatCoral reefNone
General HabitatVessel HullNone

Tolerances and Life History Parameters

Broad Temperature RangeNoneTropical
Broad Salinity RangeNonePolyhaline-Euhaline

General Impacts

Regional Distribution Map

Bioregion Region Name Year Invasion Status Population Status
SEP-H None 0 Native Estab
SEP-I None 0 Native Estab
SEP-C None 0 Native Estab
SP-XXI None 1913 Def Estab
SP-XII None 1999 Def Failed
PAN_PAC Panama Pacific Coast 0 Native Estab

Occurrence Map

OCC_ID Author Year Date Locality Status Latitude Longitude


Carlton, J.T., Eldredge, L. (2001) <missing title>, Bernice P. Bishop Museum Press, Honolulu, Hawaii,. Pp. <missing location>

Carlton, James T.; Eldredge, Lucius (2009) Marine bioinvasions of Hawaii: The introduced and cryptogenic marine and estuarine animals and plants of the Hawaiian archipelago., Bishop Museum Bulletin in Cultural and Environmental Studies 4: 1-202

Collin, Rachel (2005) Development, phylogeny, and taxonomy of Bostrycapulus (Caenogastropoda: Calyptraeidae), an ancient cryptic radiation, Zoological Journal of the Linnean Society 144: 75–101

Paredes, Carlos; Cardoso, Franz (2007) [The family Calyptraeidae in Peru (Gastropoda: Caenogastropoda)], Revista Peruana de Biología 13(3): 177-184

Paulay, Gustav; Kirkendale, Lisa; Lambert, Gretchen; Meyer, Chris (2002) Anthropogenic biotic interchange in a coral reef ecosystem: a case study from Guam, Pacific Science 56(2): 403-422