I had an Emerald Crab for a long time and it was very peaceful, it would run around the edges of the tank and night and go about its life without disturbing anything. It molted and then was promptly was eaten by tankmates with no prior warning a few months back.
Three weeks ago I bought another Emerald Crab from the same LFS
. The new Crab did not seem to mind being out with the tank light on too much for the first day so I was happy with it. The next night I was suspiciously missing some Green Star Polyps. The night after that, my Toadstool has very noticable gashes in it, and my Sinularia and Xenia was in bad shape. I checked with a LFS
and they reccomend that I try feeding the Crab Nori every night for a while since it could be malnourished from when I bought it. The Crab would eat the Nori however I kept losting pieces of coral, just at a slower pace. Finally I caught the Crab standing on my Sinularia and just eating it in the middle of the tank. The Crab is no longer in my tank, and my Corals are growing back.
How often does this happen? Should I just try another Emerald Crab or move onto something else like a Porcelain crab?
2x Sunburst Platys (2M, 2F) // 3x Neon Tetras (?) // 2x Cherry Barbs (1M, 1F) // 2x YoYo Loaches (?) // 1x Bushy Nose Pleco (M) // 1x Clown Pleco (?) //
-30# Live Rock
-Mixed Snails (Nassarius // Cerith // Astrea // Black Turbo // Mexican Turbo)
-8x Blue Leg Hermit Crabs // 1x Banded Serpent Star // 1x Cleaner Shrimp
-1x Royal Gramma // 1x Percula Clownfish
-2x Mushroom Leather // Metallic Green Star Polyps // Pulsing Xenia // Striped Xenia // Blue Mushroom
-Remora + Maxi-Jet 1200 // 2x Maxi-Jet 600 // Maxi-Jet 400 // Visi-Therm Deluxe 50 // Current USA Orbit 2x 40w PC