10 Ocean Species That Challenge Gender Role Stereotypes
10 Ocean Species That Challenge Gender Role Stereotypes avatar

By , on February 3rd, 2013 6 comments   Adaptations, Cephalopods, Fish, Mating & Reproduction, Organisms   , , , , , ,  

1. Seahorses-Males Giving Birth Th example might be an obvious one but worth the mention. Male seahorses possess a pouch on their frontside, similar to kangaroos. During mating, the male will pump seawater into the pouch to expand and reveal its sad emptiness to the courting female. The female, feeling very bad about the emptiness, . . . → Read More: 10 Ocean Species That Challenge Gender Role Stereotypes

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100 Million Year Old Giant Sperm
100 Million Year Old Giant Sperm avatar

By , on July 13th, 2009 2 comments   Adaptations, Mating & Reproduction, Organisms, Paleobiology   , , , , , , , , ,  

From Matzke-Karasz et al. 2009. A. Zenker Organ, a specialized organ modified from the vas deferen that serves asa pump for giant sperm. B&C The heavily coiled giant sperm with anteriour (an) and posterior (po) ends shown. Barnacles may have big penises but ostracodes of the superfamily Cypridoidea have giant sperm. Ostracode range are mostly . . . → Read More: 100 Million Year Old Giant Sperm

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