The Mr. Moms of the Fish World

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	The Mr. Moms of the Fish World

Rashid Malik

12-18-2008 7:08 AM

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tags:

zoology, fish

Rashid Malik says:

Male pipefish, like seahorses, have their own placentas to carry and nourish their offspring

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d6e42232-715d-4d77-a8a1-b3e292d7c54b/2D557118-082D-45B2-BEA9-E39711CF83F7/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world" href="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world"><DIV>Male <A href="http://www.sciam.com/article.cfm?id=male-pregnancy-may-spur-s">pipefish, seahorses </A>and their kin are the stay-at-home dads of the fish world, rearing their young in placentalike pouches from the time they are fertilized eggs until they can swim away.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world"><DIV>
New research shows that these involved fathers not only shelter their young but transfer key nutrients to their offspring via their own versions of a <A href="http://www.sciam.com/article.cfm?id=new-source-of-stem-cells">placenta</A>, helping to supplement what the embryos received from their mother in the egg yolk.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.sciam.com/img/360831A4-1C4C-4256-A354-7A36A7810C30" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=the-mr-moms-of-the-fish-world"><DIV>
"In this study, we clearly demonstrate embryonic uptake of paternally derived nutrients in two pipefish species," says researcher Jennifer Ripley, a biologist at West Virginia University in Morgantown (W.V.U.). "This is the first time we actually have evidence for this placental-like role in these fishes. It has been hypothesized for years but not demonstrated until now."</DIV></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/2D557118-082D-45B2-BEA9-E39711CF83F7/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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