![Section: Worms (Good, Bad, & Ugly) : Group: Sponge Worms: Species: Haplosyllis spongicola (Sponge Threadworm) Section: Worms (Good, Bad, & Ugly) : Group: Sponge Worms: Species: Haplosyllis spongicola (Sponge Threadworm)](http://www.saltcorner.com/AquariumLibrary/critterPics/Haplosyllis_spongicola1.jpg)
Section: Worms (Good, Bad, & Ugly) : Group: Sponge Worms: Species: Haplosyllis spongicola (Sponge Threadworm)
![Public health and preventive medicine. , in.The worms (Fig. 28, a and b) possesspointed heads, and resemble short, slightlymotile pieces of white thread, and the malehas usually a spirally coiled tail. Public health and preventive medicine. , in.The worms (Fig. 28, a and b) possesspointed heads, and resemble short, slightlymotile pieces of white thread, and the malehas usually a spirally coiled tail.](https://c8.alamy.com/comp/2AGA35M/public-health-and-preventive-medicine-inthe-worms-fig-28-a-and-b-possesspointed-heads-and-resemble-short-slightlymotile-pieces-of-white-thread-and-the-malehas-usually-a-spirally-coiled-tail-the-ovalegg-possesses-a-shell-which-is-thinner-atone-part-of-the-dorsal-surface-than-else-where-and-it-is-at-this-point-that-the-em-bryo-escapes-fig-28-c-at-the-timethe-egg-leaves-the-parent-worm-the-em-bryo-is-not-fully-developed-and-onlybecomes-so-when-the-eggs-are-in-thefaeces-either-within-or-without-the-hostfig-28-d-isto-intermediate-host-is-required-andon-the-eggs-being-s-2AGA35M.jpg)
Public health and preventive medicine. , in.The worms (Fig. 28, a and b) possesspointed heads, and resemble short, slightlymotile pieces of white thread, and the malehas usually a spirally coiled tail.
![Close-up of small, white, thread-like enchytriad worms in the compost bin soil, signifying acidic contents Stock Photo - Alamy Close-up of small, white, thread-like enchytriad worms in the compost bin soil, signifying acidic contents Stock Photo - Alamy](https://c8.alamy.com/comp/PFMTBR/close-up-of-small-white-thread-like-enchytriad-worms-in-the-compost-bin-soil-signifying-acidic-contents-PFMTBR.jpg)