Any of the class Chondrichthyes, having a cartilaginous skeleton and including the sharks, rays, and skates.

軟骨魚有一套軟骨架的軟骨魚綱中的一種，包括鯊魚日本亚洲欧美日韩工程、魟魚和鰩魚

Included here are fishes having either a bony skeleton, such as a perch, or a cartilaginous skeleton, such as a shark, or those lacking a jaw, such as a lamprey or hagfish.

以具有鰭及用腮呼吸為特征的一種冷血水上脊椎動物在线看国产三级在线看，包括多骨骼魚類，如河鱸www.十八岁A片；或軟骨魚類最新国语自产视频在线，如鯊魚；或無顎魚類中国AAAA片爽快免费，如七鰓鰻或八目鰻類魚

Bony fish:a fish having a bony rather than cartilaginous skeleton; a teleost.

硬骨魚：一種長著硬骨架的多骨魚欧美日韩AⅤ不卡在线；硬骨魚。