在它们扁圆头部的前端有一对弯曲的尖牙作为颌齿，用来俘获甲壳类生物并将其撕碎。
At the front of their bulbous blue heads they have curved fangs that act as jaws. They use these to capture and tear apart their crustacean prey.
在它们扁圆头部的前端有一对弯曲的尖牙作为颌齿，用来俘获甲壳类生物并将其撕碎。
At the front of their bulbous blue heads they have curved fangs that act as jaws. They use these to capture and tear apart their crustacean prey.
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