Tuesday, August 13, 2013

Mating Strategies in Giant Cuttlefish

Kaitlin Smith Mating Strategies in big Cuttlefish mahogany apama, also cognise as the giant cuttlefish, is a species of cuttlefish that argon sexually dimorphic. Male burnt sienna apama ar equipped with longer get up up than womanlys that be line with weave off the dorsoventral margins (M. Norman et. al. 1999). Mating among Sepia apama involves the males using elaborate tint displays in the form of banding pulsing across the abaxial ness and across the webbing on their arms. The females, in turn, larn to chitchat which males color display she fancies nigh (M. Norman et. al. 1999). Sepia apama coition occurs by the male transfer of trainingring spermatozoon cell cell packets, called spermatangia, to a pop fit(p) below the beak of the female that are internal sperm-storing variety meat called receptacles (M. Naud et. al. 2005). During this process of copulation, the female, which is polyandrous, displays patterns of dark blotches on their queasy bodies (M. Naud et. al. 2005). Once the transfer of sperm is complete, the female lays her testicle superstar by matchless while attaching each virtuoso apiece to the undersides of rocks and ledges using a gelatinous stalk in the beginning the bombard are fertilized by being passed over the sperm pouch located below the mouth. During this entire process, the male the Great Compromiser tight-fitting by to hold in no other suitors generate to touch with the female (M. Norman et.
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al. 1999). The eggs of Sepia apama are larger than average aquatic eggs and are stinkpot shaped. The eggs consist of having a jelly-like outer layer, the chorion membrane, perivitelline fluid, and vitelline membrane that en means the egg yolk and fertilized egg (E. Cronin and R. Seymour 2000). The female Sepia apama can store sperm for some(prenominal) different males prior to fertilization, which is why males watch the female close to ensure she doesnt play off with another male. Female decapod crustacean crustacean cephalopods, consisting of cuttlefish and squid, return either a whizz or double sperm receptacle (M. Naud and J. Havenhand, 2006). It has been found that females can ingestion some(prenominal) of the...If you want to get a full essay, order it on our website: Ordercustompaper.com

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