Genus: Balistidae (Triggerfishes)
Scientific Name: Balistapus undulatus (Park, 1797)
English Name: Orange-lined triggerfish
Creole Name: Bours
French Name: Merou elegant
IUCN Red List Status: Not Evaluated (NE)
Dorsal spines: 3; Dorsal rays: 24-27; Anal spines: 0; Anal rays: 20-24.
Dark blue-green, dark green to brownish green body with oblique curved orange lines on posterior head and body; an oblique band of narrow blue and orange stripes, underlined with a black stripe, from around the mouth to below the pectoral fin. No groove in front of eye. Adult male with no bands on dark snout. A large black blotch surrounding 2 rows of peduncular spines. Caudal fin orange. Rays of pectoral, soft dorsal and anal fins orange.
Maturity: Lm unknown. Range unknown. Max Length: 30.0 cm TL.
Habitat and Ecology:
Reef associated, occurs in coral-rich areas of deep lagoons and seaward reefs to 50m depth. Territorial nature. Feeds on diverse benthic organisms including algae, echinoderms, fishes, molluscs, tunicates, sponges, and hydrozoans. Spawning behaviour may involve loose aggregations and nesting occurs in channels. Eggs are laid in a single spongy cluster in a shallow excavation in rubble or sand. Nests are guarded by adults.
This species is not protected or subject to fishery regulations. It is caught in the fish trap fishery and also in the hand line fishery, but is an uncommon component of the catch.
Can give severe bite and inflict wounds with peduncular spines.
Bray, D.J. Balistapus undulatus in Fishes of Australia, accessed 30 Oct 2018, http://fishesofaustralia.net.au/home/species/760
Froese, R. & D. Pauly. Eds. 2018. FishBase https://www.fishbase.de/summary/Balistapus-undulatus (30/10/18)
Smith, M & Heemstra, P Eds. (1999). Smiths’ Sea Fishes Edition 6. Springer-Verlag Berlin Heidelberg 10.1007/978-3-642-82858-4