About Spurilla braziliana MacFarland, 1909
Spurilla braziliana has an elongated body that is rounded at the posterior end and tapers at the anterior end. Cerata, tentacle-like structures, cover the dorsal and lateral sides of its body. Separated paired appendages called rhinophores sit on the front of its head. This species shows variable coloration that correlates with age: young individuals are mostly creamy white, while adults are tan with wide scattered dots across their bodies. Its cerata are darker brown with white tips, and portions of the nudibranch may also be orange. Fully grown Spurilla braziliana can reach approximately 25 millimeters in length.
This species was originally described based on a single specimen collected at Alagoas, Brazil. It has since been reported from locations across the Caribbean Sea, Florida, Mexico, Colombia, Cuba, Jamaica, Puerto Rico, and the northern Magellanic Province. It has also been identified in the Pacific Ocean, including the Hawaiian Islands, the Pacific coast of Costa Rica, Peru, Japan, China, and Australia.
