Where does fish sperm come out

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In some animals, such as fish, insects, and cephalopods, the thick egg coat has a narrow canal-a micropyle-through which spermatozoa enter the eggs.Fish reproductive organs include testes and ovaries.Typically, semen has a faint smell caused by a mixture of chemicals, such as citric acid and calcium.By Jessica Thompson September 13, For reproduction, most fish species adopt external fertilization: their spermatozoa are delivered in the external milieu marine- or freshwater that represents both a drastic environment and a source of signals that control the motility function.Intracytoplasmic sperm injection ICSI is a technique that has been successfully used for assisting reproduction in mammals.

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In many animals, males pursue alternative tactics when competing for the fertilization of eggs.

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Milt is the seminal fluid of fishmollusksand certain other water-dwelling animals which reproduce by spraying this fluid, which contains the spermonto roe fish eggs.All rights reserved.The methods of reproduction in fishes are varied, but most fishes lay a large number of small eggsfertilized and scattered outside of the body.

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