Dec 3, 2021 #1 I i_am_mclovin Active Member View Badges Joined Oct 18, 2018 Messages 417 Reaction score 593 Rating - 0% 0 0 0 Looks like a worm or something. Bigger than a quarter.
Dec 3, 2021 #2 Sharkbait19 10K Club member View Badges Fish Medic My Tank Thread Joined Aug 13, 2020 Messages 10,975 Reaction score 13,506 Location New Jersey Rating - 0% 0 0 0 Looks like a sea cucumber. Generally hard to keep alive except in large, very mature tanks.