Fourline Cardinalfish (Ostorhinchus doederleini) オオスジイシモチ – size 9cm
The Fourline Cardinalfish has a line below the dorsal fin and four lines on the body. The fourth line is barely visible in this photo and only goes halfway down the body. There is a dark spot in front of the tail. They are found in shallow water. They are around Australia and from China to Southern Japan. Amami 2026
A Fourline Cardinalfish. Amami 2026