Inhabit shallow water, often subjected to surge. Juveniles secretive and remain in holes of outer reef flat and reef margin . Adults on shallow reef flats in high energy zones to about 10 meters depth. Juveniles among small boulders . Benthopelagic . Feed mainly on algae, but also takes polychaetes, sea urchins, brittle stars, mollusks, tunicates, corals, crustaceans and sponges.
Dorsal spines (total): 0; Dorsal soft rays (total): 10 - 12; Anal spines: 0; Anal soft rays: 10 - 11. : short and / or deep.
Behavioural data for Spider-eye puffer is currently being reviewed.
Diet information for Spider-eye puffer is currently being compiled.
Oviparous .
Marine; reef-associated; depth range 1 - 16 m . Tropical; 30°N - 30°S East Africa to the Galapagos Islands, north to southern Japan and Hawaii, south to the Great Barrier Reef and the Society Islands.
algae, but also takes polychaetes, sea urchins, brittle stars, mollusks, tunicates, corals, crustace
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Canthigaster oahuensis | Jenkins | 1903 | Synonym |
| Canthigaster polyophthalmus | Pietschmann | 1938 | Synonym |
| Canthigaster psegma | Jordan & Evermann | 1903 | Synonym |
| Canthigaster psegma galapagosi | Borodin | 1928 | Synonym |
| Psilonotus amboinensis | Bleeker | 1864 | Synonym |
| Tetrodon amboinensis | Bleeker | 1864 | Synonym |
| Tetrodon amboinensis natalensis | Günther | 1870 | Synonym |
| Tropidichthys oahuensis | Jenkins | 1903 | Synonym |
| Tropidichthys psegma | Jordan & Evermann | 1903 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 3 records indexed .
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