Members of Phylum Porifera, commonly referred to as sponges, are well-known as the most primitive multicellular animals, with fossil records exceeding 580 million years. Presently, there are almost 10,000 extant species globally distributed. This is quite interesting,...

Understandably, as reef-keeping enthusiasts, we feel an occasional internal struggle which can only be caused by our passion for the hobby clashing violently with the burning desire to make an occasional impulse buy. Due to their rare and exotic status, nudibranchs...