TAXONOMY
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (ray-finned fishes)
Order: Perciformes (Perch-likes)
Family: Siganidae (Rabbitfishes and Spinefoots)
Genus/species: Siganus unimaculatus
GENERAL CHARACTERISTICS: A dark chocolate ocular band occurs in an arc from base of 1st dorsal spine to chin with a narrow white blaze on midline of head profile. The thorax is dark chocolate and thee remainder of body is yellow-orange. Same as the Foxface Rabbitfish (S. vulpinus) except for the black spot or ‘blotch” on posterior upper side of body on S. unimaculatus.
Length up to 24 cm (9.5 inches)
DISTRIBUTION/HABITAT: Western Pacific: Ryukyu Islands of Japan, the Philippines, to western Australia. Found in coral rich areas of lagoon often among stag horn corals and seaward reefs to depth of 30 m (98 ft).
DIET IN THE WILD: Diurnal herbivore of algae and zooplankton
REPRODUCTION: Spawns during outgoing tides.
CONSERVATION: IUCN Not Evaluated
REMARKS: Rabbitfishes are named for their voracious appetites. They have venomous spines on dorsal and anal fins, as do all in the genus.
Also they are highly esteemed as a food fish
Some researchers believe S. unimaculatus and S. vulpinus are a single species. The color is the same as in except for the blackish spot posteriorly on the upper side of the body.
References
California Academy of Sciences Steinhart Aquarium Philippine Coral Reef 2016
Ron’s flickr www.flickr.com/photos/cas_docents/13717964414/
fishbase www.fishbase.org/summary/4630
EOL eol.org/pages/221694/hierarchy_entries/44731451/details
Ron’s WordPress shortlink http://wp.me/p1DZ4b-1fs