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Tetrosomus concatenatus (Bloch, 1785) Triangular boxfish |
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photo by
SFSA |
| Family: | Ostraciidae (Boxfishes) | |||
| Max. size: | 30 cm TL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range - 60 m | |||
| Distribution: | Indo-West Pacific: East Africa to southern Japan and New Caledonia (Ref. 11897). | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-9; Anal spines: 0-0; Anal soft rays: 9-10. Males with blue line and spots that fade rapidly (Ref. 3141). Description: Characterized further by pale grey to yellowish brown color with darker brown network of hexagons and small blue spots or large spots enclosing stellate pale lines; triangular carapace with moderately elevated dorsal ridge containing two small spines on middle portion; straight to slightly concave dorsal profile of snout; truncate to slightly rounded caudal fin; dorsal and ventral ridges of postlarval juvenile with large spines (Ref. 90102). | |||
| Biology: | Enters muddy bays or estuaries; usually with large remote sponges (Ref. 48637). Solitary. Also found in seagrass and weed bottoms of coastal reefs (Ref. 90102). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||