
(c) Ken-ichi Ueda, some rights reserved (CC BY) · cc-by
Orthasterias
Sign in to saveOrthasterias is a genus of sea stars in the family Asteriidae. Orthasterias koehleri, the rainbow star or red-banded sea star, is the only species in the genus. It is found in the North Pacific Ocean.
Species
Rainbow Star
GENUS
- KingdomAnimalia
- PhylumEchinodermata
- ClassAsteroidea
- OrderForcipulatida
- FamilyAsteriidae
via GBIF
Museum specimens
- Specimen records
- 3
- Family
- Asteriidae
- Collections
- UAM, DMNS, BPBM
- Recorded in
- Pacific Ocean
Wikidata facts
- Instance of
- taxon
- Parent taxon
- Asteriidae
- Image
- Orthasterias koehleri (2807673504).jpg
Show 3 more facts
- Commons category
- Orthasterias
- taxon name
- Orthasterias
- taxon rank
- genus
Sources (1)
via Wikidata · CC0
~2 min read
Encyclopedic overview
4 sectionsContents
- Description
- Distribution and habitat
- Biology
- References
Orthasterias is a genus of sea stars in the family Asteriidae. Orthasterias koehleri, the rainbow star or red-banded sea star, is the only species in the genus. It is found in the North Pacific Ocean.
== Description == The rainbow star is a large starfish, growing to a diameter of about with an arm length of . It usually has five slender tapering arms and the aboral (upper) surface is pink or red with irregular patches or bands of darker red, orange or grey. The surface is covered with sharp white or mauve spines, each surrounded by a ring of pedicellariae, tiny pincer-like organs.
Excerpted from Wikipedia’s “Orthasterias” article, available under the CC BY-SA 4.0 licence.