The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug in 2009 makes it New Zealand’s most toxic creature. In this photo, the grey side gill can be seen reflected in the tank glass.
The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug in 2009 makes it New Zealand’s most toxic creature. In this photo, the grey side gill can be seen reflected in the tank glass.