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The rays have large, flat, diamond-shaped bodies and also long fins, enabling them come glide with water - and likewise through the air.
Huge groups of the fish consistently gather with each other to leap the end of the sea and launch themselves into the air. They deserve to jump about two metres out of the water before flopping blifwynnfoundation.orgk down with a splash.
Groups that them have been spotted behaving this method for hrs at a time, especially off the shore of Mexico. There space nine species of mobula ray, and every one of them jump, return they might do it because that differing reasons.
It is thought that the plot is a technique of communication, though scientists have not yet cleared up the exlifwynnfoundation.orgtly what"s walk on. It can be a screen to attrlifwynnfoundation.orgt more rays into a mating event, or it might be a method of searching as a group.
What do we know?
Mobula rays very closely related come sharks and also are component of the family members Mobulidae, which additionally contains two varieties of manta ray. Rays in this family members are huge and can be found all end the world, in both tropical and temperate waters.
There is quiet plenty that specialists don"t know about the family, including details of your evolutionary background and population structures. Mobula rays have tendency to it is in shy and also avoid divers, so examining them have the right to be difficult.
We do know that lock filter-feed, meaning they strain plankton out of the water making use of their mouths, and that shoals of them frequently gather with each other in huge numbers.
Mobula rays space fished commercially in several countries.
Ray populaces plummeted in the Gulf that California, off Mexico, as soon as fishermen started targeting castle in the 1980s.
Within a couple of decades part ray types in the area were nearly wiped out. Numbers room still short in the area despite brand-new legislation protecting the fish.
Similar decreases in numbers have been reported in the oceans about the Philippines, Indonesia, Mozambique, Madagascar, India, Pakistan, Sri Lanka, Brazil and Tanzania.
Targeted fishing damages population levels quickly since the light ray take several years to relifwynnfoundation.orgh sexual maturity and also usually only provide birth come one pup in ~ a time after long pregnancies.
Find out an ext about life underwater
Marine researchers at the Museum are working to protect ocean biodiversity.
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