th exposed to spot and eat passing prey (被捕食的动物) . Reef Stonefish –The reef stonefish is a master of camouflage (伪装) often mistaken for a colorful rock or chunk of coral —an ability that helps it to ambush (埋伏) passing fish and crustaceans (甲壳类) . When threatened the stonefish hunkers (盘坐) down and brandishes (挥舞) dorsal fin spines loaded with one of the most toxic venoms (毒液) found in any fish —and one potentially deadly to humans ? Blue-Ringed Octopus ?蓝圈章鱼?The bacteria produce potent neurotoxins (神经毒素) that can kill a human in just a few minutes yet appear to have no harmful effect on the octopus. This toxic saliva (唾液) , injected through shells broken with the octopus ‘s birdlike beak (鸟嘴) , also helps it to digest crabs (蟹类) and mollusks (软体动物) . Scorpionfish 岩鱼
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