Publications:

Bridge et al. 2012


scientific article | Coral Reefs

Abundance and diversity of anemonefishes and their host sea anemones at two mesophotic sites on the Great Barrier Reef, Australia

Bridge T, Scott A, Steinberg D

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Abstract

Anemonefishes and their host sea anemones are iconic inhabitants of coral reef ecosystems. While studies have documented their abundance in shallow-water reef habitats in parts of the Indo-Pacific, none have examined these species on mesophotic reefs. In this study, we used autonomous underwater vehicle imagery to examine the abundance and diversity of anemones and anemonefishes at Viper Reef and Hydrographers Passage in the central Great Barrier Reef at depths between 50 and 65 m. A total of 37 host sea anemones (31 Entacmaea quadricolor and 6 Heteractis crispa) and 24 anemonefishes (23 Amphiprion akindynos and 1 A. perideraion) were observed. Densities were highest at Viper Reef, with 8.48 E. quadricolor and A. akindynos per 100 m2 of reef substratum. These results support the hypothesis that mesophotic reefs have many species common to shallow-water coral reefs and that many taxa may occur at depths greater than currently recognised.

Research sites

10.1007   s00338 012 0916 x
Keywords
Meta-data
Depth range
50- 65 m

Mesophotic “mentions”
13 x (total of 1650 words)

Fields
Ecology

Focusgroups
Actiniaria and Ceriantharia (Sea anemones)
Fishes

Locations
Australia - Great Barrier Reef

Platforms
Autonomous Underwater Vehicle (AUV)

Author profiles
Tom (Thomas) Bridge ( 19 pubs)