Two barnacles removed from a rock. The barnacle on top has been fertilized and the eggs are compressed into yellow pellets on either side of the body. The penis is sticking out from in between. The barnacle below has not been fertilized; the un-fertilized eggs are large yellow blobs. The testes are visible in both . . . → Read More: On the study of crustaceous genitalia
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By Dr. M, on  May 20th, 2009  11 comments  Adaptations, Mating & Reproduction, Organisms  Barnacle, chemical signals, competition, Crustacea, Eric Charnov, evolution, Hermaphrodites, Matt Hoch, Penis, Sex Week, sperm, thesis By Dr. M, on May 20th, 2009 4 comments Mating & Reproduction, Organisms, Seeps, Vent, & Whale Falls Aliens of the Deep, chemical dependence, chemical energy, cold seep, Craig Young, energy, food, food availability, food chains, food sinking, Hydrothermal Vent, James Cameron, Jon Copley, life cycle, Paul Tyler, photosynthetically-derived food, Reproduction, Seasonality, sex, Sex Week, Shrimp Post by Jon Copley. Dr. Jon Copley is a lecturer in marine ecology at the National Oceanography Centre in Southampton, UK. He is also director of SciConnect Limited, a company providing training in science communication and media skills. Jon is an avid deep sea explorer and studies the reproductive ecology of deep sea invertebrates, especially . . . → Read More: Sex At Vents: Lights On or Off?
By Dr. M, on May 19th, 2009 One comment Mating & Reproduction anglerfish, deep sea, dragonfish, fish, food attraction, lanternfish, Peter Herring, sex, Sex Week, sexual dimorphism In the deep dark sea, bioluminescence is the name of game. Its central role is unequivocal for many organisms. Do different sexes of species display dimorphism with respect to bioluminescence? Does it have a role in the dirty deeds that occur in the dark? The following is an illuminating dirty laundry list of all sex . . . → Read More: Lighted Whoopie In The Sea: Repost
By Kevin Zelnio, on May 19th, 2009 9 comments Mating & Reproduction, Organisms Crepidula fornicata, Hitchhiking, limpet, Oregon, sequential hermaphrodite, Sex Week, slipper limpet Clearly Isaac Hayes drew his inspiration from the limpet Crepidula fornicata for this classic funk soul hit. Crepidula, known as a slipper limpet, is a sequential hermaphrodite. During the same course of life, this limpet will change sex from male to female. The larger ones on the bottom are female while the smaller ones . . . → Read More: Sequential Lovin’: You and Me and You and You
By Peter Etnoyer, on May 19th, 2009 9 comments Mating & Reproduction green turtle, mating behavior, Reproduction, sea turtle, sex, Sex Week, Wallace J Nichols Wallace J. Nichols is a sea turtle biologist and marine conservation activist affiliated with the California Academy of Sciences, Ocean Revolution, and the Sea Turtle Network, among others. J’s blog is dedicated to new beginnings and fresh ideas, especially among young people. Green turtles mating in Sipadan, Malaysia. Photo by Petter Lindgren at Flickr. There . . . → Read More: Sea turtles get it on, and on, and on…
By Dr. M, on May 19th, 2009 3 comments Mating & Reproduction, Organisms bivalve, cold seep, fertilization, gamet, larvae, mussels, sex, Sex Week, Shawn Arellano, Spawning, sperm Post by Shawn M. Arellano. Dr. Shawn Arellano is a postdoctoral researcher at the Hong Kong University of Science and Technology. Her PhD research at the Oregon Institute of Marine Biology concerned the reproduction and recruitment dynamics of a methane-fueled seep mussel. B. childressi: Photo courtesy of Shawn M. Arellano I have a dirty secret: . . . → Read More: I have a dirty secret: I am a mussel sex voyeur.
By Kevin Zelnio, on May 18th, 2009 Leave a comment Carnivals & Link Love, Mating & Reproduction Sex Week Spreading the love on sex week! The good Dr. Byrnes talks about sex in flatworms with Penis Fencing: Dangerous or Decadent? Greg Laden ponders the relationship between emotional intelligence and orgasm frequency in women, as reported in a new study in the Journal of Sexual Medicine. David at Southern Fried Science stumbled upon 2 “frisky” . . . → Read More: Who’s Talking Dirty Today?
By Kevin Zelnio, on May 18th, 2009 2 comments Mating & Reproduction, New Species, Organisms Anemone, Chondrophellia, Histology, Microscopy, Ova, Reproduction, Sex Week, Thin Sectioning In an upcoming paper I have in press with colleagues, we are describing 4 new species of Anemone form hydrothermal vents in the western Pacific. When taking thin sections to describe the histology of one species of Chondrophellia sp. nov. we found it chock full of ova! Photo of Chondrophellia sp nov at 100x. Containing . . . → Read More: Got Gonad?
By Dr. M, on May 18th, 2009 4 comments Mating & Reproduction, Organisms Amanda Kahn, fertilization, gonad, hermaphrodite, Mating, oocyte, Porifera, Reproduction, sex, Sex Week, smoking sponges, sperm, sponge Post by Amanda “not a sponge” Kahn. Amanda Kahn is currently a masters student at well-known Moss Landing Marine Laboratory, considered to be one of the west coast’s premier marine stations. Despite still being in her masters, she is quickly becoming the “go-to” person for deep-sea sponges. Let’s start off “sex week” with the steamy . . . → Read More: “Sleezy” sponge sexuality
By Dr. M, on May 17th, 2009 3 comments Mating & Reproduction, Organisms breeding site, brittle star, Chris Mah, fertilization, Japan, Mating, Ophiodaphne, Reproduction, sandollars, Sea of Japan, sex, Sex Week, spawn, Tsuruga Bay A. manni, picture courtesy of C. Mah Post from Chris Mah, purveyor of all echinoderm. Dr. Christopher Mah is a NSF Postdoctoral Fellow at the Smithsonian National Museum of Natural History. He obtained his Ph.D. from the University of Illinois and conducts reasearch on the biodiversity, biogeography, evolution, and ecology of Asteroidea. Despite his short . . . → Read More: The Sand Dollar Love Shack: A Special Echinoblog to DSN
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