Ostracion


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Related to Ostracion: boxfishes, Exocoetus

Os`tra´ci`on


prop. n.1.(Zool.) A genus of plectognath fishes of the family Ostraciontidae having the body covered with solid, immovable, bony plates. It includes the trunkfishes (also called boxfish).
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The cube boxfish Ostracion cubicus Linnaeus, is part of the subfamily Ostraciinae, which is characterized by a closed carapace, no ventral ridge and a caudal fin with 10 principal rays (Nelson 2006).
The general body shape and coloration visible in the photographs indicated that the specimen was the common Indo-Pacific cube boxfish Ostracion cubicus.
The genus Tetrosomus can be distinguished by having a 3-angled carapace and a ridge or spine on the dorsal midline as opposed to Ostracion, which presents a 4-angled carapace and no ridge or spine on the dorsal midline.
It's the juvenile form of Ostracion cubicus, the yellow boxfish, or momoa afata in Tahitian.
The spotted trunkfish, Ostracion meleagris, produces such a spawning sound.
Ostracion meleagris is typically found in groups consisting of a male and several females.
Eleven of these were recorded in 2006 but not 1995, including Balistes polylepis, Calamus brachysomus, Canthigaster punctatissima, Dasyatis longa, Gymnothorax undulatus, Lutjanus inermis, Lutjanus novemfasciatus, Ostracion meleagris, Spheroides lobatus, Trachinotus rhodopus and Zanclus cornutus.