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The Lobster Conservatory includes information on the biology and conservation of lobsters. The majority can be applied to crayfish due to common ancestry and homology. Neural and tail anatomy provides an idea of the organization of the segmental ganglia in the tail of the crayfish. The second diagram on the page is a transverse section through ...
Some arthropods, such as lobsters and shrimps, can propel themselves backwards quickly by flicking their tail, known as lobstering or the caridoid escape reaction. Varieties of fish, such as teleosts, also use fast-starts to escape from predators.
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]
Get one step closer to dolphins at Dolphin Bay and if you’re curious about baby seahorses or jellyfish, the Aquatic Nursery will take you on a tour of these magical creatures at different life ...
Mate attraction: Male elephant fish often do not leave their territory and nest, so they use acoustic signals to attract females from a distance. When a gravid female approaches a male territory, he will grunt, moan and growl, in respective order, to signal her of his presence and to attract and induce her into becoming ripe for spawning.
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.
A federal appeals court on Thursday restored a U.S. agency rule restricting lobster and Jonah crab fishing off the Massachusetts coast to protect endangered whales, rejecting a claim that the ...
The inefficiency of the trapping system has inadvertently prevented the lobster population from being overfished. Lobsters can easily escape the trap, and will defend the trap against other lobsters because it is a source of food. An estimated 10% of lobsters that encounter a trap enter, and of those that enter 6% will be caught. [66]