Undesirable Species
Pencil Urchins
Eucidaris tribuloides (Caribbean)
Largely carnivorous; will eat many decorative animals, also can eat “sleeping” fish, or shrimp.
Eucidaris metularia (Pacific)
Largely carnivorous.
Hi again, I was told by the lps that a pencil urchin which i already bought only eats algae and sometimes coralline algae.
<neither is true at all... although more urchins than not do eat microalgae nicely. The pencil urchin is too often sold for algae control and it starves instead in most aquaria... it has decided carnivorous inclinations.
I have not read that common pencil urchins have any significant toxin if at all. They are known to be extremely safe even if killed or dead in aquaria regarding some so-called toxin. Keep in mind though, that this is one of the few Urchins that is not largely herbivorous! They need meaty fare to survive>
kudos. after some research i agree. good call. i would have never thought that urchins are carnivorous. and to think that i could have bought an assassin. pencil urchins look coolPencil urchins are largely carnivorous and can catch and eat "sleeping" fish and shrimp.
Snap I am sorry I just can't resist....LoL
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