Lobster¹ refers to large marine² crustaceans³ of the Decapoda order (e.g., families Nephropidae or Palinuridae), prized for their succulent meat and economic value. Key species include:

American Lobster (Homarus americanus)

European Lobster (Homarus gammarus)

Australian Spiny⁴ Lobster (e.g., Panulirus cygnus)

Features:

Large size, hard exoskeleton, two pairs of antennae⁵, and strong claws (in some species).

Found in rocky or coral seabeds, feeding on small fish and mollusks.

High-protein, low-fat, and considered a delicacy⁶ (e.g., served as sashimi, grilled⁷, or steamed).

Cultural Note: In China, lobster symbolizes⁸ prosperity and is often served at banquets.

大龙虾是一种大型海洋甲壳类动物，属于十足目（如龙虾科或螯龙虾科），以其鲜美的肉质和较高的经济价值闻名。常见种类包括：

波士顿龙虾（美洲螯龙虾，Homarus americanus）

欧洲龙虾（Homarus gammarus）

澳洲龙虾（如西澳岩龙虾，Panulirus cygnus）

特点：

体型大，外壳坚硬，有两对触须和强壮的螯足（部分种类）。

生活在海底岩石或珊瑚礁区域，以小鱼、贝类为食。

高蛋白、低脂肪，是高档海鲜食材，常用于刺身、蒜蓉蒸等料理。

文化：在中国，大龙虾常作为宴席菜肴，象征富贵。