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Project Noah Nature School
Black sea urchins, at Milina village, Pagasitikos gulf, Greece. Μαύροι αχινοί, ...
The black sea urchin, Arbacia
Medium sized mainly black sea urchin. Hemispherical in shape, about 10 cm in ...
It is found typically at shallow waters, at depths from 0 to 30 m, in rocky ...
De color negra, caparazón notablemente aplanado en la región basal y provisto ...
Ophidiaster ophidianus is a seastar from the genus Ophidiasteridae. The ...
This type of black sea urchin has short spines and can be found near the shore ...
