It uses its pectoral-fin spines as anchors to prevent jackknifing as its body musculature produces snakelike movements.
步行以胸鳍棘
，
身体产生蛇形动作时防止弯折。
It uses its pectoral-fin spines as anchors to prevent jackknifing as its body musculature produces snakelike movements.
步行以胸鳍棘，身体产生蛇形动作时防止弯折。
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