Teleostei > Tetraodontiformes (Puffers and filefishes) > Ostraciidae (Boxfishes)
Etymology: Acanthostracion:Greek, akantha = thorn + Greek, ostrakon = shell (Ref. 45335); quadricornis:Specific name refers to the 2 pairs of horns ('quadricornis' = 4 horns), in front of the eyes and a second pair at the lower rear corners of the cuirass.. More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 礁区鱼类; 深度上下限 1 - 80 m (Ref. 26938), usually 10 - 30 m (Ref. 40849). ; 43°N - 39°S, 100°W - 26°E
Atlantic Ocean: in tropical and temperate waters (Ref. 3696). Western Atlantic: Massachusetts (USA), Bermuda, and northern Gulf of Mexico to southeastern Brazil. Reported from tip of South Africa.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm22.2, range 17 - ? cm Max length : 55.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 6937); common length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3696)
背棘 (总数) : 0; 背的软条 (总数) : 10; 臀棘: 0; 臀鳍软条: 10. Dark markings on head and body; parallel bands on cheek. Pair of prominent spines projecting from in front of eyes suggests cow horns. Second pair of spines at lower rear corners of cuirass (Ref. 26938). Body deep, covered with hexagonal dermal plates (Ref. 37521).
Found in shallow water down to about 80 m, mainly in seagrass beds (Ref. 3696). Feeds on sessile invertebrates such as tunicates, gorgonians and anemones, as well as on slow-moving crustaceans, sponges (Ref. 3696), hermit crabs and marine plants (Ref. 13442). Oviparous (Ref. 205). Considered an excellent food fish; marketed fresh (Ref. 3696).