A friend of CORAL, Dr Steve Cohen, passed along this great footage he captured of some randy cuttlefish on the reefs at the Wakatobi Dive Resort in Southeast Sulawesi, Indonesia. No lascivious copulation, sneaker males, or sperm displacement observed, but cool nonetheless. Thanks Steve! . . . → Read More: Your Friday Cuttlefish
My colleagues Dr. Bruce Carlson – recently retired – and Marj Awai were the first folks to successfully collect chambered nautilus for display in public aquariums and then breed them. Bruce has now put together a short video documenting that project over its nearly 20 year history. As I watched it, I couldnt help but . . . → Read More: Baby Nautilus, is there anything cuter?
All sperm are not the same. Among fruit flies the longer the reproductive tract of the female the longer the sperm. In tiny crustaceans called ostracods, sperm length can range from several hundred micrometers to several millimeters. And here is some trivia for your next cocktail party, sperm in ostracods can even be longer than . . . → Read More: There Is More Than One Way To Impregnate A Squid
Sometimes I think that those of us studying ‘minor phyla’ do so in order to prevent from developing some secret (potentially peverse) obsessions. Example: I recently attended the Society of Nematology’s 50th Anniversary meeting, where the plenary topic was….traumatic insemination. This was the subsequent topic of conversation for the next four days. “Write a blog . . . → Read More: A great day for a little Traumatic Insemination
The larvae of eels and other related species are called small heads or in the fancier Greek, Leptocephalus. The video above should give you some insight into this moniker. Unlike fish larvae, Leptocephali can grow quite large from a few inches to well over a foot in length. Also unlike fish larvae, Leptocephali do . . . → Read More: TGIF: Eel larvae
Jenny Schmidt from U. Illinois and her co-authors have uncovered a fascinating nugget of biology of the whale shark in a recent (and Open Access – w00t!) paper in Endangered Species Research. In it, they continue the analysis of embryos collected from a heavily pregnant female first reported by Joung et al. (1996) in a . . . → Read More: Who’s your daddy?
If you live in central Florida and have an interest in marine life, come and hear my wife and I discuss Sex in the Oceans at a public lecture this Wednesday evening at Harbor Branch Oceanographic Institute in Ft Pierce. There will be an abundance of sexy sea slugs, debauched dolphins, kinky Minke whales and . . . → Read More: Just a, er, quickie
James Cameron’s Aliens (1986) is the greatest movie ever made. There, I said it. For sheer script quotability, only Pulp Fiction comes close. For dark and gritty, anti-glossy-Star-Wars sci fi realism, only Blade Runner is its equal. And no critter has ever been more terrifying than the H.R. Giger creation that debuted as a solitary . . . → Read More: This is clearly an important species we’re dealing with
Not your typical Echinoderm. This female specimen of a Xyloplax seastar was collected along the Juan de Fuca Ridge off the coast of the state of Washington; it measures less than a quarter-inch (4 mm) and shows brooded embryos Some of us never grow up. In fact I am writing this now in my Aquaman . . . → Read More: Some Echinoderms Will Never Grow Up
Eric Heupel is a graduate student at University of Connecticut in Oceanography. He keeps a personal blog at Eclectic Echoes and Larval Images, and used to part of The Other 95% team along with me before we closed shop. You can find Eric tweeting as @eclecticechoes. —————————————————- Hey folks, Kevin asked me to do . . . → Read More: Scientist in Residence: My ‘Seascape of Fear’