Most observed native sea urchins and sea cucumbers
Native to the US, by how plants support them, most observed first.
Plant eaters All
13 native animals that feed on plants, most observed first.
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Pacific Purple Sea Urchin
Strongylocentrotus purpuratus
20,153 observations
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Arctic Green Sea Urchin
Strongylocentrotus droebachiensis
9,073 observations
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Indo-Pacific Rock-boring Urchin
Echinometra mathaei
6,637 observations
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Red Sea Urchin
Mesocentrotus franciscanus
5,677 observations
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Atlantic Rock-boring Urchin
Echinometra lucunter
4,246 observations
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Collector Urchin
Tripneustes gratilla
3,914 observations
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Atlantic Long-spined Sea Urchin
Diadema antillarum
3,304 observations
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Variegated Sea Urchin
Lytechinus variegatus
2,811 observations
Sheltered animals All
1 native animals that nest or roost in plants, most observed first.
Other species All
78 native species with no plant ties on record, most observed first.
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Eccentric Sand Dollar
Dendraster excentricus
11,832 observations
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Orange Sea Cucumber
Cucumaria miniata
10,148 observations
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Giant California Sea Cucumber
Apostichopus californicus
5,068 observations
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Lollyfish Sea Cucumber
Holothuria atra
4,768 observations
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Five-slotted Sand Dollar
Mellita quinquiesperforata
3,546 observations
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Pacific White-spotted Sea Cucumber
Actinopyga varians
2,849 observations
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Red Pencil Urchin
Heterocentrotus mamillatus
2,767 observations
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Shingle Urchin
Colobocentrotus atratus
2,339 observations