Blue-scribbled Damsel (species: Pomacentrus nagasakiensis) in taxonomy (Lizard Island Field Guide)
Pomacentrus nagasakiensis
Blue-scribbled Damsel

©Mark Shepherd: Pomacentrus nagasakiensis at Lizard Island

©Lyle Vail: Pomacentrus nagasakiensis at Osprey Islet, Lizard Island.

©Andy Lewis: Juvenile Blue-scribbled Damsel (Pomacentrus nagasakiensis). Adults are darker and do not have the ocellated spot on rear dorsal fin.
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Pomacentridae
Genus Pomacentrus
Species Pomacentrus nagasakiensis



Distinguishing features

Blue to dark grey with darker scale margins, white tail, a large dark spot at base of pectoral fin, wavy blue lines on face, dorsal fin rays tipped with black. Indistinct wavy lines on tail, anal fin and rear of dorsal fin. Juveniles are bluer than adults and have a large, ocellated black spot at the rear base of dorsal fin.


  • Up to 10 cm (Length of specimen)

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

Web resources


References that assist with identification

  • Allen, G., R. Steene, P. Humann and N. Deloach (2003). Reef fish identification: Tropical Pacific New World Publications Inc., Jacksonville, FL, USA.

Other references

  • Almany, G.R. (2004). Priority effects in coral reef fish communities of the Great Barrier Reef, Ecology, 85: 2872-2880. LIRS catalog number 879.
  • Almany, G.R., LF. Peacock, C. Syms, M.I. McCormick and G.P. Jones (2007). Predators target rare prey in coral reef fish assemblages, Oecologia, 152: 751-761. LIRS catalog number 1053.
  • View all references