Mating Strategies in Giant Cuttlefish

Kaitlin Smith Mating Strategies in Giant Cuttlefish mahogany tree apama, also cognise as the giant cuttle, is a species of cuttlefish that argon sexually dimorphic. Male Sepia apama are equipped with longer build up than females that are lined with tissue off the ventral margins (M. Norman et. al. 1999). Mating among Sepia apama involves the males victimisation elaborate twist displays in the form of stripes pulsation across the dorsal ness and across the webbing on their arms. The females, in turn, take to be to chitchat which males color display she fancies most (M. Norman et. al. 1999). Sepia apama copulation occurs by the male transferring spermatozoon packets, called spermatangia, to a pop located under the beak of the female that are internal sperm-storing organs called receptacles (M. Naud et. al. 2005). During this regale 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 bollock superstar by one opus attaching each one apiece to the undersides of rocks and ledges using a thick stalk before the bombard are fertilized by being passed over the sperm pouch located below the mouth. During this sinless process, the male remains tight-fitting by to ensure no other suitors try to touch with the female (M. Norman et.

al. 1999). The ballock of Sepia apama are larger than average aquatic nut and are lemon shaped. The eggs consist of having a jelly-like outer(a) layer, the chorion membrane, perivitelline fluid, and vitelline mem brane that encloses the yolk and fertilized ! egg (E. Cronin and R. Seymour 2000). The female Sepia apama net store sperm for some(prenominal) different males prior to fertilization, which is why males watch the female close to ensure she doesnt mate with other male. Female decapod crustacean cephalopods, consisting of cuttlefish and squid, have both a single or double sperm receptacle (M. Naud and J. Havenhand, 2006). It has been raise that females can use some(prenominal) of the...If you want to get a affluent essay, order it on our website: OrderCustomPaper.com

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