有些海参会分泌出一种白色的黏性物质——居维氏管,居维氏管能把想攻击海参的生物给粘住。海参还能像对虾一样,随着居住环境而变化体色,有效地躲过天敌的伤害。将海参断为数段,经过3～8个月,每段又会长成完整的海参。当外界环境还不适宜时,海参能将自身断成数段,以后每 Some sea cucumbers secrete a white sticky substance - living Vickers tube, Habitat Vigor tube can stick to creatures want to attack sea cucumber. Sea cucumber can also shrimp as the same, with the changing living environment and color, effectively evade the damage of natural enemies. The sea cucumber is broken into several sections, after 3 to 8 months, each section will grow into a complete sea cucumber. When the external environment is not suitable, sea cucumber will be able to break itself into pieces, after each