Adelotremus deloachi, the spotfin fangblenny, is a species of combtooth blenny from the western Pacific Ocean in Indonesia.

[1] The type and paratypes were collected from Bali and the Lembeh Strait.

The specimens were collected from depths of 10–17 metres (33–56 ft) from sandy slopes.

[2] The specific name honours Ned Deloach, an author and photographer who has written about reef fishes and raised awareness of their conservation.

[3]