Isognomon perna
Isognomon perna, the brown purse shell or rayed tree oyster is a bivalve in the family Isognomonidae common in the Indo-Pacific including Hawaii. [1][2]
| Isognomon perna | |
|---|---|
_-_Pteriidae_-_Mollusc_shell.jpeg.webp) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Ostreida |
| Family: | Isognomonidae |
| Genus: | Isognomon |
| Species: | I. perna |
| Binomial name | |
| Isognomon perna (Linnaeus, 1767) | |
| Synonyms | |
|
Ostrea perna | |
Distribution
Commonly found in the Indo-Pacific, including Hawaii, Western Polynesia, Eastern Polynesia, North to Japan Eastern to Southern Africa, New Caledonia, and Society Islands ⁽³⁾⁽⁴⁾.
Habitat
Isognomon perna live at depths of 0-20m in tropical climates; byssally attach to rocks, reef flats, or the underside of boulders⁽²⁾. Commonly found under rocks in shallow water and arranged one on top of the other⁽⁶⁾.
Description
Isognoma perna colors range from a brown or light-yellow purse shell to beige with a brown striped pattern and resembles a miniature clam ⁽⁵⁾.
References
- MolluscaBase (2023). "Isognomon perna (Linnaeus, 1767)". WoRMS. World Register of Marine Species. Retrieved 11 January 2023.
- "Brown Purse Shell, Isognomon perna". www.marinelifephotography.com. Retrieved 2023-01-11.
1. McCormack, Gerald (2007). Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org.
2. World Register of Marine Species. Retrieved from https://www.gbif.org/species/155157035.
3. Insognomon perna. Retrieved from https://www.sealifebase.ca/summary/Isognomon-perna.html
4. Leske, Anne (2017). AphotoMarine. Retrieved from https://www.aphotomarine.com/bivalve_isognomon_perna.html.
5. Our Project in Hawaii’s Intertidal. Retrieved from https://coe.hawaii.edu/opihi/organisms/isognomon-perna/
6. Hoover, John (2006). Hawai'i's Sea Creatures. A guide to Hawai'i's Marine Invertebrates. ISBN 1-56647-220-2.