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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.
Caught lobsters are graded as new-shell, hard-shell, or old-shell. Because lobsters that have recently shed their shells are the most delicate, an inverse relationship exists between the price of American lobster and its flavor. New-shell lobsters have paper-thin shells and a worse meat-to-shell ratio, but the meat is very sweet.
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 improbable luxury staple.
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]
Scientists trying to understand the hunting behaviors of bottlenose dolphins have come up with a unique solution: fit them with video cameras.
For those who can’t make it out, a free app “Dolphin Count” allows for real-time dolphin spotting. The network maps the data quarterly and shares it to the nonprofit’s website. To report a ...
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.