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鯊魚[kái goân-sú-bé]

?鯊魚
Stegostoma fasciatum
Hoà-chio̍h hoān-ûi
Early Devonian - Recent
Seng-bu̍t-ha̍k hun-lūi
Kài: Animalia
Mn̂g: Chordata
A-mn̂g: Vertebrata
Kong: Chondrichthyes
A-kong: Elasmobranchii
Chhiau-bo̍k: Selachimorpha

Carcharhiniformes
Heterodontiformes
Hexanchiformes
Lamniformes
Orectolobiformes
Pristiophoriformes
Squaliformes
Squatiniformes

鯊魚骨系統軟骨,身軀流線形(streamlined)的魚,屬佇Selachimorpha超目,怹靠5~7个魚鰓裂(gill slits)呼吸,怹有一重真皮小齒(dermal denticles)崁佇皮膚外面保護兼預防蟲寄生,嘛有改善流體力學(fluid dynamics)的路用,怹的喙齒有閣生的才調。鯊魚是上捷予人誤解的一種掠食動物(predator),若毋是受著威脅,怹窮實罕得攻擊