25/02/2026
🐑🌿✨ Leaf sheep magic in Tulamben ✨🌿🐑
📍🌋 Tulamben, Bali, Indonesia | 🌊🔍 Black sand macro paradise with macrospotter and photo assistant
Meet the adorable Costasiella (commonly called the “leaf sheep”) — one of the ocean’s tiniest celebrities.
, it’s actually not a true nudibranch, but a sacoglossan sea slug (still a macro superstar!). 
🔬 Why this tiny slug is so fascinating:
🌱 Kleptoplasty: Costasiella can retain chloroplasts from the algae it eats, a remarkable adaptation often described as “borrowing” photosynthetic machinery. 
👀 Iconic look: Those “sheep-like” head appendages are rhinophores, used for sensing chemicals in the water. 
📏 Micro subject: These sea slugs are tiny, making them a dream challenge for super-macro underwater photography. 
🌍 Indo-Pacific favorite: They’re found in tropical waters, including Indonesia, and are especially loved by macro divers and photographers. 
cameras OM1 with 90mm MFO-1 MF1 with snoot screen
Tulamben OceanPhotography ScubaDiving NudibranchLovers WildlifePhotography