Mating Strategies in Giant Cuttlefish

Kaitlin Smith Mating Strategies in Giant Cuttlefish sepia apama, also cognise as the giant cuttle, is a species of cuttlefish that argon sexually dimorphic. Male Sepia apama are equipt with longer build up than females that are lined with net off the ventral margins (M. Norman et. al. 1999). Mating among Sepia apama involves the males apply elaborate air displays in the form of stripes heartbeat across the dorsal ness and across the webbing on their arms. The females, in turn, take in to chitchat which males color display she fancies most (M. Norman et. al. 1999). Sepia apama copulation occurs by the male transferring sperm cell packets, called spermatangia, to a pop located to a lower place the beak of the female that are internal sperm-storing organs called receptacles (M. Naud et. al. 2005). During this form 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 sper m is complete, the female lays her bollock superstar by one part attaching each one apiece to the undersides of rocks and ledges using a jellylike stalk before the bombard are fertilized by cosmos passed over the sperm pouch located below the mouth. During this wide-cut process, the male remains tight-fitting by to ensure no other suitors try to touch with the female (M. Norman et.

al. 1999). The orchis of Sepia apama are larger than average aquatic ball and are lemon shaped. The eggs consist of having a jelly-like outside layer, the chorion membrane, perivitelline fluid, and vitelline membrane that enc loses the yolk and fertilized egg (E. Cronin! and R. Seymour 2000). The female Sepia apama buttocks 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 any a single or double sperm receptacle (M. Naud and J. Havenhand, 2006). It has been engraft that females can use some(prenominal) of the...If you want to get a near essay, order it on our website: OrderCustomPaper.com

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