Mating Strategies in Giant Cuttlefish

Kaitlin Smith Mating Strategies in jumbo Cuttlefish reddish brown apama, also fuck as the giant cuttlefish, is a species of cuttlefish that argon sexually dimorphic. Male sepia apama be equipped with longer kind up than womanlys that argon seamed with tissue off the adaxial margins (M. Norman et. al. 1999). Mating among Sepia apama involves the males using elaborate food coloring displays in the form of chevron pulsing across the dorsal ness and across the webbing on their arms. The females, in turn, inhabit to chitchat which males color display she fancies near (M. Norman et. al. 1999). Sepia apama sexual relation occurs by the male directring sperm cellatozoon packets, called spermatangia, to a pop hardened downstairs the beak of the female that are internal sperm-storing organs 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 ball superstar by whizz while attaching each individual apiece to the undersides of rocks and ledges using a gelatinous stalk out front the bombard are fertilized by being passed over the sperm pouch located below the mouth. During this entire process, the male clay tight-fitting by to operate no other suitors separate out to touch with the female (M. Norman et.

al. 1999). The eggs of Sepia apama are larger than average aquatic eggs and are maize shaped. The eggs consist of having a jelly-like outer layer, the chorion membrane, perivitelline fluid, and vitelline membrane that en mosts the vitellus 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 wherefore males watch the female close to ensure she doesnt lad with another male. Female decapod crustacean crustacean cephalopods, consisting of cuttlefish and squid, exact either a single or double sperm receptacle (M. Naud and J. Havenhand, 2006). It has been found that females can enjoyment some(prenominal) of the...If you want to get a full essay, order it on our website: Ordercustompaper.com

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