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1. kho (kho@shitposter.club)'s status on Friday, 21-Jul-2023 02:58:14 JST kho

   in reply to
   Everyone loves the mantis shrimp, so here you go.
   
   Mantis shrimp are either "spearers" or "smashers" depending on their claws and prey-killing tactics. Spearers have spiny appendages with barbed tips, that are used to stab soft-bodied prey, such as different types of worms and fish. Smashers have more developed club-like appendages that are used to bludgeon and smash their prey to pieces.
   
   Smashers can punch at same velocity as a gunshot from a .22 caliber rifle. Smasher mantis shrimp have two raptorial appendages (called ‘dactyl clubs’) on the front of its body that it uses to punch its prey. These fists are spring loaded, able to accelerate from their body at over 50 mph, delivering a force of over 1,500 newtons, enough to smash through crabs and clam shells.
   
   They can crack and punch holes in aquarium glass. While they are highly desired, they require special stronger aquariums. When they encounter an obstacle they wish to move, they often try and punch their way out. They have also been known to attack their own reflection through the glass.
   
   Eyes of mantis shrimp are located on the long stalks that can move independently. Each eye has ‘trinocular vision’, which means it can gauge depth and distance on its own by focusing on objects with three separate regions. They are thought to have the most complex eyes in the animal kingdom and have the most complex visual system ever discovered They can see a special spiraling type of light called circularly polarized light that’s not been documented in any other animal. They also have a structure in their eyes that’s similar to technology found in DVD players, only much more advanced.
   While they have significantly more color photo-receptors, research suggests they are actually worse at differentiating color than humans. However, scientists believe this is because their eyes are operating at a different level, functioning more like a satellite. It’s believed Mantis shrimp can take all visual information into their brains immediately without having to process it, allowing them to react instantly to the environment.