Purple Pincushion Urchin - Echinometra sp. Marine Dry Rocks Butterflyfish can be susceptible to

Butterflyfish can be susceptible to marine white spot

feather dusters

but it can still become territorial with age

Collare Butterflyfish

The long snout is used to pick at small foods from crevices and reef growths

Purple Pincushion Urchin - Echinometra sp. Marine Dry Rocks Butterflyfish can be susceptible toPurple Pincushion Urchin (Echinometra sp.) The Purple Pincushion Urchin (Echinometra sp.) is an attractive marine grazer recognised by its rounded body and dense covering of purple to reddish purple spines. Also sold as a Purple Spined Urchin or Rock Boring Urchin, it spends much of its time moving across live rock and aquarium surfaces in search of algae, biofilm and organic material. This useful clean up crew animal can assist with controlling