Some animals vent their anuses. And, no, I’m not referring to the act of waving a hand around ones posterior to diffuse the gaseous remnants of chilidogs. Some sea stars, sea cucumbers, crinoids, worms, and crustaceans all pump huge volumes of water into and out of their anus. Why would you do this outside of . . . → Read More: Butt munchers
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By Dr. M, on  March 6th, 2013  8 comments  Adaptations, Organisms  anus, cloaca, echinoderm, feeding, holothurian, respiratory tree, Sea Cucumber By Dr. M, on June 5th, 2012 3 comments Adaptations, Cephalopods, Ecology, New Research, Organisms Behavior, feeding, Humboldt Squid, Predation, Schooling, squid, zombies With just reason Humboldt or Jumbo Squid are called Diablo Rojo. The skin of Dosidicus gigas is blood red but can change to bone white. These massive squids, the third largest of all squids, forage for prey in the dark of night, which they take down with two long tentacles covered in teeth. If the . . . → Read More: Coordinated Hunting in Red Devils
By para_sight, on March 23rd, 2012 Leave a comment Adaptations, Coral, Fish, Organisms, Pictures and Movies, Uncategorized bleaching, blennies, Coral, coral bleaching, coral reefs, feeding Exallias brevis male My good colleague Dr. Bruce Carlson just uploaded a very nice short YouTube video about a reef blenny called Exallias brevis. Exallias is fairly special (but by no means unique) not just because it’s quite the looker, but because it is a coral predator. Like many blennies it has a mouth that . . . → Read More: TGIF – Exallias brevis, a very special fish
By Kevin Zelnio, on July 20th, 2011 One comment Adaptations, Fish, Pictures and Movies feeding, fish, High Speed Video, jaw, UC Davis, Wainwright Lab The Wainwright lab at my alma mater, UC Davis, is famous for posting their high speed video of fish biomechanics, in particular jaw morphology and function. This involves a lot of filming of how fishes feed. The lab put together a brilliant reel of outtakes from these sessions. I LOL’d, I cried… From their youtube . . . → Read More: High Speed Suction Feeding: Bloopers Edition
By Dr. M, on July 8th, 2011 2 comments Adaptations, Organisms, Pictures and Movies Cnidaria, feeding, pneumatophore, Polyp, Portugese Man-O-Ware, Predation, zooids Despite being stung by one of them on a Gulf beach as a kid, Portugese Man-O-War’s are still one of my favorite organisms. Hat tip to @echinoblog for the link to this video of a Portugese Man-O-War capturing a fish. Remember this species is colonial and made of four different polyps or zooids, working . . . → Read More: TGIF: Portuguese Man-O-War Feeding
By Dr. M, on November 30th, 2009 8 comments Adaptations, Biology, Mating & Reproduction, New Research allometric, Blue Whale, body size, constraints, evolution, feeding, isometric, lunge feeding, mass, RB Editor's Selection, whales The largest, Blue Whale and smallest, Hector Dolphin, cetaceans. From wikimedia commons The question is not why are whales big but why are whales not bigger? The blue whales reached weights of 150 tons prewhaling. To appreciate how massive a blue whale is, consider it would take 15 school buses, around 10 tons in weight . . . → Read More: Why Are There No Super Whales?
By Dr. M, on February 22nd, 2009 12 comments Opinion & Editorial, Organisms Annelida, Barnacle, Cephalopod, Coral, deep sea, Echinodermata, feeding, fish, Giant Isopod, girlfriends, Invertebrate, Octopus, puppies, rotifer, salmon, sex, shark, sponge, video In no certain order… 10. Those barnacles just ain’t feeding! This is red hot barnacle copulation! Turn the lights down low, everything’s goin’ to be just right… 9. Humboldt Squid are vicious, blood thirsty demons ready to rip the flesh off any living creature. Of course I tend toward exaggeration 8. Beautiful? Definitely! Slow? Stunningly! . . . → Read More: The 10 Greatest Web Videos of Marine Invertebrates
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