Possibly a peanut worm but these (I found a second, smaller one as well) look like a small piece of artery or intestine. A white worm like bit protrudes from the main part and 'looks' around and seems to aid in movement and quickly retreats when disturbed.
The other discerning feature is on the other end, it has a small cone that reminds me of the tail-end of a fighter's jet engine.
Are peanut worms harmful or beneficial ?
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-Mark
29 Gal Bowfront w/24" LED Lights. DIY HOB Sump (5.4 Gal) MP40. Orange Spotted Watchman Goby, 2 Clownfish and a few hermits.
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