Is it safe to pick up a sea urchin?

Answered by Phillip Nicastro

Is it safe to pick up a sea urchin? Well, that really depends on the type of sea urchin you encounter. Generally speaking, most sea urchins are harmless and can be picked up without causing harm. However, there is one species of sea urchin that you need to be cautious of, particularly if you are in south Florida – the long-spined sea urchin.

The long-spined sea urchin (Diadema antillarum) is known for its sharp and poisonous spines. These spines can easily penetrate human skin and can even break off, causing further complications. So, if you come across this particular species, it’s best to avoid picking it up or handling it directly to prevent any potential injuries.

On the other hand, in cooler waters further north, you are more likely to encounter harmless varieties of sea urchins such as the purple sea urchin (Strongylocentrotus purpuratus) and the green sea urchin (Strongylocentrotus droebachiensis). These species have shorter spines and are not known to be venomous or harmful to humans.

Speaking from personal experience, I have encountered various sea urchins while exploring coastal areas. In most cases, I have been able to pick them up and examine them without any issues. However, I always exercise caution and make sure to identify the species before attempting to handle them. It’s essential to be aware of the potential risks associated with certain species and act accordingly.

To summarize, picking up a sea urchin can generally be safe, but it is crucial to be aware of the specific species you are dealing with. While most sea urchins are harmless, the long-spined sea urchin in south Florida should be avoided due to its poisonous spines. In any case, it is best to exercise caution and avoid unnecessary handling to prevent any potential injuries.