I bought another urchin, which arrived today. This one is in the sump rather than the display tank, as it is too dangerous for at least the eel. It is a flower urchin, Toxopneustes pileolus. This is one of, if not the, most venomous of the sea urchins. It is reputed to have caused human deaths, and laboratory experiments with the toxin have demonstrated it to be very potent, at least in mice.

In any event, I got the urchin in today and set about acclimation. I use a bucket from...

Subjective and Non-Subjective Observations, Claims, and Common Myths:

1. Some Tangs seem more susceptible. This is true. Their mucous coatings are reduced in thickness and composition. They swim up to 25 miles a day in the ocean in search for food so maybe Mother Nature provided them with this as a means of 'escape.'

2. It goes away on its own. Definite NOT true. It is only visible at one stage IF it is on the body or fin of the fish. If it was once seen, then it hasn't...

A little over a week ago, I got in an Astropyga radiata. Common names are something like Radiating Urchin or Long Spine Blue Spot urchin (Live Aquaria seems to prefer the latter). They are strikingly colored, reputedly venomous and are fairly active during the day. It has been wandering all over the tank, and it appears to be at least sampling some of the algae that has taken over much of the rock and sand. Yesterday, however, it discovered the rock to which I tie nori to feed the two tangs...

[QUOTE=collie man;18344558]please pm me if you still have the staghorn.[/QUOTE]

I do shill have the staghorn.

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