Clark’s threefin - Trinorfolkia clarkei #marineexplorer by John Turnbull Via Flickr: Threefins have, well, three dorsal fins. Zoom in to see them in this pic. Other characteristics of this Australian endemic are the the distinctive stripe under the eye, and almost cylindrical body. Bare Island
👉Repost this if you’ve never heard of the Blanket Octopus!
🐙 The female blanket octopus is totally the wonder woman of the sea.
😯 The males? 10,000 times smaller & no epic cape! (This makes for an interesting first, and last, date.)
⚡️Young female blanket octopuses have been observed ripping the tentacles off of portuguese man-o-war jellyfish, whose highly venomous sting can be fatal. She grips the stingers with her suckers to stun and kill predators.☠️
🌊Blanket octopuses spend their whole life floating in the open ocean, and when threatened swoop down into deeper waters
To join the largest octopus fan club visit - facebook.com/groups/octonation
Though sharks may seem scary or dangerous, most are extremely unlikely to even approach humans.
Whitetip reef sharks, for example, tend to swim away when swimmers or divers approach. Here, a diver quietly observes a whitetip reef shark at French Frigate Shoals in Papahānaumokuākea Marine National Monument.