[taxonomy:family=Aeolosomatidae]
Freshwater polychaete worm from the family Aeolosomatidae. The red dots are said to be oil droplets or "glands" that are characteristic of this family. In this video, a worm is squeezing into the hollow center of a piece of dead grass. The head (not visible) is already inside.
Date:
18 Apr 2013
Location:
Water at margin of various ponds and ditches in Kent Ridge Park, Singapore.
Microscope:
Bright-field with closed condenser aperture.
Camera:
Nikon D7000
Collector:
Brandon Seah
aeolosomatid polychaete DSC 6972
Sessile Sabellid worms, filter feeding. Marine aquarium, Caribbean community. Note the (potentially edible and possibly even tasty) particles getting caught in their crowns. Since the crowns face downstream of the prevailing current, an eddy forms within the crown, where the particles are caught.
ID and explanation courtesy of Kristian Fauchald.
[taxonomy:family=Sabellidae]
These Sabellid worms have colonized a piece of wood and are filter feeding. When foraging amphipods brush past too close or too quickly, the featherdusters retreat into their tubes for safety. Marine aquarium, Caribbean community.
featherduster ID courtesy of Kristian Fauchald.
[taxonomy:family=Sabellidae]
Description: English: Darkfield microscope capture of aeolosoma at 100x magnification; shows motor function and internal structure. Date: 20 May 2020. Source: I took this video with my phone through my microscope. Author: Ikjbagl.
Description: English: Fat innkeeper worms or penis fish (Urechis unicinctus), a type of marine spoon worm, called "Haichang" (海肠) in Mandarin. Filmed in a Weihai restaurant in Shandong province, China. Français : Haichang (海肠, Urechis unicinctus dans un restaurant de Weihai, province du Shandong, Chine. 中文: 在山东威海餐点的海肠。. Date: 17 January 2012. Source: Own work. Author: Popolon. Camera location 37° 30′ 15.48″ N, 122° 07′ 13.99″ E: View all coordinates using: OpenStreetMap - Google Earth: 37.504300; 122.120552.