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The male seahorse is equipped with a brood pouch on the ventral, or front-facing, side of the tail. When mating, the female seahorse deposits up to 1,500 eggs in the male's pouch. The male carries the eggs for 9 to 45 days until the seahorses emerge fully developed, but very small. The young are then released into the water, and the male often ...
University of California Press. ISBN 978-0-520-08085-0. Carlson, Debra A. Reproductive biology of the coyote (Canis latrans): integration of behavior and physiology. Utah State University, 2008. Castro, Ana Mafalda Lopes Sardica Velez. Mexican gray wolf courtship and mating: behavior & basic endocrinology during breeding season. Diss.
Of 3,168 sexual encounters, 37% were same-sex acts. Flirting was common (up to 25 potential partners a day of both sexes); only one species (the British spiny seahorse) included faithful representatives, and for these 5 of 17 were faithful, 12 were not.
Courtship between male and female pipefish involves lengthy and complicated shows of display. For example, in Syngnathus typhle, copulation is always preceded by a ritualized dance by both sexes. The dance involves very conspicuous wriggling and shaking motions, especially in comparison to the species' otherwise extremely secretive lifestyle.
The spawn (eggs) of a clownfish.The black spots are the developing eyes. Spawn is the eggs and sperm released or deposited into water by aquatic animals.As a verb, to spawn refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning.
Snake mating systems are generally believed to be polygynous, where males copulate with multiple females. Many researchers have assumed that multiple male courtships are successful without providing paternity evidence, [7] and mating systems may be more polyandrous, supported by studies of the green anaconda (Eunectes murinus). A population ...
The first whale reported dead this season in a coastal California city was likely killed by a boat strike, experts say. A necropsy of the gray whale carcass that washed up near a San Francisco Bay ...
Female guppies tend to exhibit mate-choice copying by employing visual observation of a demonstrator female's mate choice.. Mate-choice copying requires a highly developed form of social recognition by which the observer (i.e. copier) female recognizes the demonstrator (i.e. chooser) female when mating with a target male and later recognizes the target male to mate with it. [4]