Helmit Urchin (Colobocentrotus atratus)
The urchin usually lives on substrates that are fully exposed to the action of waves. Its smoothed, flattened spikes and strengthened tube feet are adaptations for its environment.
(via srta-kubelik)
Pyrosome
Pyrosomes are colonial organisms (tunicates), consisting of hundreds to thousands of individuals known as zooids. The size of the colony may range from less than one centimeter to several meters long.
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Dolphinus orca - “the Grampus”
= now Orcinus orca “Killer Whale”
from Gemeinnüzzige Naturgeschichte des Thierreichs, by Gottlieb August Lange, 1780-1789.
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tiny gem (by unexpectedtales)
Viperfish (Chauliodus sp) chasing Hatchetfish (Sternoptyx sp) deep sea by Norbert Wu
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