Helen's Triplefin (species: Ceratobregma helenae) in Lady Elliot Island (Gaia Guide)
Lady Elliot Island > Marine Vertebrates > Actinopterygii > Tripterygiidae > Ceratobregma helenae (gallery)
Ceratobregma helenae
Helen's Triplefin


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

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

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

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Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Tripterygiidae
Genus Ceratobregma
Species Ceratobregma helenae

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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 these photos.

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

Distribution and habitat preferences

It can be found in marine environments.

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.