The sea slug Goniobranchus aureomarginatus was seen on the Island Bay snorkel trail. It is only found in New Zealand. Photo by Luca Davenport-Thomas, via iNaturalist, CC BY-NC 4.0Read more
The sea slug Goniobranchus aureomarginatus https://www.inaturalist.org/observations/114547133 was seen on the Island Bay snorkel trail. It is only found in New Zealand. Photo by Luca Davenport-Thomas, CC BY-NC.