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A lobster is heavily cephalized, with eyes, antennae, multiple mouthparts, and the brain (inside the armoured exoskeleton), all concentrated at the animal's head end. Cephalization is an evolutionary trend in animals that, over many generations, the special sense organs and nerve ganglia become concentrated towards the front of the body where ...
It is also known as Atlantic lobster, Canadian lobster, true lobster, northern lobster, Canadian Reds, [3] or Maine lobster. [ 4 ] [ 5 ] It can reach a body length of 64 cm (25 in), and a mass of over 20 kilograms (44 lb), making it not only the heaviest crustacean in the world, but also the heaviest of all living arthropod species.
In the American lobster, endogenous morphine is found in the haemolymph and ventral nerve cord. In lobsters which have had a pereiopod (walking leg) cut off or been injected with the irritant lipopolysaccharide, the endogenous morphine levels initially increased by 24% for haemolymph and 48% for the nerve cord. [53]
Lobster anatomy includes two main body parts: the cephalothorax and the abdomen. The cephalothorax fuses the head and the thorax, both of which are covered by a chitinous carapace. The lobster's head bears antennae, antennules, mandibles, the first and second maxillae. The head also bears the (usually stalked) compound eyes. Because lobsters ...
Despite its shiny red exoskeleton and reputation as a bug of the sea, the lobster — though far from the world’s strangest delicacy — has long reigned as an unlikely luxury staple.
American lobsters have three discernable body parts. The claws are usually different; one has bumps that function like molars for crushing, while the other, smaller claw has sharp, pointed "teeth ...
He creates videos documenting his daily life as a lobsterman, offering insights into sustainable fishing practices, lobster biology, and the challenges of the trade. [ 2 ] [ 1 ] His videos often feature unique or rare lobsters, demonstrations of traditional fishing techniques, and interactions with his crew.
Scientists have created a full map of an adult brain for the first time.. The 3D model of all of the neurons of a fruit fly, and the 50 million connections between them, is the first time that ...