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A poster showing cetaceans, mammals adapted to exclusive oceanic life. Whales and dolphins have been hunted in the past, a slaughter that continues to a certain degree to this day in some countries.

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The Oarfish is a rare, solitary, and giant denizen of the ocean depths (arguably larger than a Whale Shark. (The Oarfish,17m as opposed to the Whale Shark, 12.96m in the Guinness Book of World Records.)) and is a filter feeder, comfortable cruising at depths of 200 m. Mistakenly named for its prominent pectoral oars with which it was thought to 'row', it undulates serpentlike with its dorsal fins and has been seen orienting itself vertically. This is one of rare photo. Thanks for pinning!

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This is a common ascidian (a filter feeder) only a few cm's long found on Opal reef. Also known as a Sea Squirt! Cool!

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Sea apple - Sea apple is a common name for the colorful and somewhat round sea cucumbers of the genera Paracucumaria and Pseudocolochirus, found primarily in Indo-Pacific waters. Sea apples are filter feeders with tentacles, ovate bodies, and tube-like feet. They can release their internal organs or a toxin into the water when stressed.

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Tunicate, also known as urochordata, tunicata (and by the common names of urochordates, sea squirts, and sea pork[1]) is a subphylum of a group of underwater saclike filter feeders with incurrent and excurrent siphons, that are members of the phylum Chordata. Most tunicates feed by filtering sea water through pharyngeal slits, but some are sub-marine predators such as the Megalodicopia hians. Like other chordates, tunicates have a notochord during their early development, but lack…

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How to feed "filter" feeders: NPS/Filter feeder recipe from Birch aquarium - Reef Central Online Community

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