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 outfit with longer build up than females that are lined with web off the ventral margins (M. Norman et. al. 1999). Mating among Sepia apama involves the males victimisation elaborate intensity displays in the form of stripes impulse across the dorsal ness and across the webbing on their arms. The females, in turn, go out to chitchat which males color display she fancies most (M. Norman et. al. 1999). Sepia apama copulation occurs by the male transferring spermatozoan packets, called spermatangia, to a pop located on a lower floor the beak of the female that are internal sperm-storing organs called receptacles (M. Naud et. al. 2005). During this surgery of copulation, the female, which is polyandrous, displays patterns of dark blotches on their queasy bodies (M. Naud et. al. 2005). Onc e the transfer of sperm is complete, the female lays her bollock superstar by one term attaching each one apiece to the undersides of rocks and ledges using a gelatinlike stalk before the bombard are fertilized by world passed over the sperm pouch located below the mouth. During this good process, the male remains tight-fitting by to ensure no other suitors try to touch with the female (M. Norman et.

al. 1999). The bombard of Sepia apama are larger than average aquatic bollock and are lemon shaped. The eggs consist of having a jelly-like satellite layer, the chorion membrane, perivitelline fluid, and vit elline membrane that encloses the yolk and f! ertilized egg (E. Cronin and R. Seymour 2000). The female Sepia apama bear 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 all a single or double sperm receptacle (M. Naud and J. Havenhand, 2006). It has been shew that females can use some(prenominal) of the...If you want to get a mount essay, order it on our website: OrderCustomPaper.com

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