Orangebar Threefin (species: Ceratobregma helenae) in Lizard Island Field Guide (Lizard Island Field Guide)
Ceratobregma helenae
Orangebar Threefin


©Anne Hoggett: Ceratobregma helenae as found on coral on the outer slope of Day Reef near Lizard Island. Estimated length 4 cm.

©Anne Hoggett: Ceratobregma helenae on the outer slope of Day Reef near Lizard Island. Note elongate first spine on first dorsal fin.

©Anne Hoggett: Ceratobregma helenae at Pidgin Point, Lizard Island.
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Tripterygiidae
Genus Ceratobregma
Species Ceratobregma helenae

Colours

                   

Distinguishing features

Extremely long first spine on first dorsal fin. Bright orange with a greenish yellow saddle near the rear end of the second and third dorsal fins; 7-8 rows of large grey spots forming broken bars on sides.

Thanks to iNaturalist contributors for identifying the Day Reef specimen.

Size

  • Up to 4.7 cm (length according to Allen and Erdmann, 2012)

Depth range

  • Depth range data is not yet available.

Synonyms

Distribution


©Atlas of Living Australia: Australian distribution

Web resources

References

References that assist with identification

  • Allen and M.V. Erdmann, G.R. (2012). Reef fishes of the East Indies. Volumes I-III in: Reef fishes of the East Indies. Tropical Reef Research, Perth, Australia. LIRS catalog number 90162.
  • Holleman, W. (1987). Description of a new genus and species of tripterygiid fish (Perciformes: Blennioidei) from the Indo-Pacific and the reallocation of Vauclusella acanthops Whitley, 1965. Cybium, 11(2): 173-181. LIRS catalog number 90291.