Strongylocentrotus fragilis
Strongylocentrotus fragilis is a species of sea urchin of the family Strongylocentrotidae.
| Strongylocentrotus fragilis | |
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| Strongylocentrotus fragilis | |
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| Species: | A. fragilis |
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| Strongylocentrotus fragilis (Jackson, 1912) | |
Description and characteristics
This is a regular sea urchin, with a spherical test bearing the anus and top and mouth on the bottom. They are somewhat flattened, and of pale pinkish color with white spines. It is a deep-sea species, and they can occur in great number where food is abundant.
ahStrongylocentrotus fragilis (pink) with some Strongylocentrotus pallidus (white).
Habitat and range
This is an abyssal species, occurring at many hundred meters deep on the western coasts of the North America. [1] They are distributed throughout the continental shelf and slope, being most abundant in the 200-300m depth range. [2] [3]
Taxinomy
It was first scientifically described in 1912 by Jackson.[4]
This species is often referred as Allocentrotus fragilis, and its taxonomy is still under debate.[1]
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References
- Andreas Kroh & Andrew Smith. "Allocentrotus fragilis". Echinoid Directory (Natural History Museum).
- Sato, Kirk; Kevin, Lisa; Schiff, Kenneth (March 2017). "Habitat compression and expansion of sea urchins in response to changing climate conditions on the California continental shelf and slope (1994–2013)". Deep Sea Research Part II: Topical Studies in Oceanography. 137: 377-389.
- Sato, Kirk; Powell, Jackson; Rudie, Dave; Levin, Lisa (May 2018). "Evaluating the promise and pitfalls of a potential climate change–tolerant sea urchin fishery in southern California". ICES Journal of Marine Science. 75: 1029-1041.
- Kroh, A. (2010). Strongylocentrotus fragilis (Jackson, 1912). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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