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Flight of the mini-mantas! These little devils are mobulas, which are cousins of the more famous manta ray. They are known to migrate together in enormous schools of hundreds or even tens of thousands of individuals (especially off of Baja California Sur), and have no spines like a stingray. As such they are completely harmless, and beautiful to watch underwater.
SHARK WEEK DAY 2
Today we're gonna talk about the TIGER SHARK! (Galeocerdo cuvier)
Tiger sharks are neat for a lot of reasons, they're the second-largest supplier of bites to humans underneath white sharks. But personally I think the most interesting thing about them is that they've pretty recently discovered that tiger sharks will eat terrestrial birds! This stomach-contents analysis study talks about it in great detail but in the stomachs of tiger sharks they've found 8 species of passerine songbirds, 2 species of land birds, and 1 waterbird. The best guess out there right now is that tiger shark predation of birds is temporally linked to bird migration events, so when the birds move and some struggle, the ones that don't quite make it become shark food.
Tiger sharks are also fairly aggressive hunters, they'll prey on anything from ailing whales to dugongs to dolphins. Dolphins will even actively avoid tiger sharks because of predation risk. They're also an incredibly strong species in terms of swimming, they'll stealthily sneak up to their prey and finish the job with a burst of incredible speed. Tiger sharks are neat!
This little guy could have fit in the palm of my hand, but lesser electric rays have big personalities! Able to deliver a shock between 14-37 volts using their specialized organs that give them a distinct "puffy cheeks" look, this guy didn't even bother swimming away after suffering a photo or two; simply buried himself with a whole lot of sass and glared as if to say "try me!"
🌑 Black beauty! This manta is an example of the uncommon melanistic manta - a color mutation that results in more dark pigmentation than normal (like the opposite of albinism, which is a lack of pigmentation!) It lacks the white chevron on its back and white belly, making it truly striking.
Sometimes love is just two catsharks cuddling on the soft white sand
This leopard shark is a notorious diver-cuddler. And with a snoot that cute, how can you refuse?
