Guppy Lifespan and Life Cycle 4 min read Guppies are a small, pretty species of fish that are extremely popular for home aquariums. While they’re fun in captivity, in the wild they can cause major trouble. Native to South America, guppies are an invasive species on nearly every other...
The Average Guppy Life Cycle Now that we have a better understanding of how long guppies live, let’s learn all about their reproductive cycle. Guppies have a very straightforward life cycle. They are livebearers that do not produce eggs, hence the larval stage is totally absent. Fry Guppy ...
Sch~ifers C, Nagel R (1991) Effects of 3,4-dicloroanilineon fish popu- lations: Comparison between r- and K-strategists: A complete life cycle test with guppy (Poecilia reticulata). Arch Environ Contam Toxicol 21:297-302Schafers, C., Nagel, R., 1991. Effects of 3,4-dichloroaniline...
The life cycle of Culuwiya tilapiae (Nasir y Gómez, 1976) Overstreet and Curran, 2005, a digenean belonging to the family Haploporidae Nicoll, 1914 is redescibed and illustrated. The parasite infects naturally the snail, Pyrgophorus cf. spiralis (Guppy 1864), and the definitive host, ...
The life cycle begins with the parents' romance -- which is exceedingly brief and potentially dangerous. Males are notoriously aggressive to each other, other long-finned fish and even females of their own kind. Males and gravid females get along for a few minutes while they're breeding. They...
The results of the above authors are generalized by allowing the tradeoff curve to vary with age; the life cycle is assumed to have two stages: an initial stage during which the organism generally improves in her capacity to reproduce, grow and survive, and a final stage during which her ...
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(2006). Annual reproductive cycle in two free living populations of three-spined stickleback (Gasterosteus aculeatus L.): patterns of ovarian and testicular development. Oceanologia 48: 103–124. Google Scholar Stephens PA, Boyd L, McNamara JM, Houston AI . (2009). Capital breeding and income...
We focus on the three-dimensional relationship between three key life-history traits: adult size (or mass), development time and growth rate, and the connections to life cycle regulation, host plant choice, and sexual selection in seasonal environments. The review covers fitness consequences of ...
Aggressive territorial behavior is a natural part of the life cycle for many types of aquarium fish. Betta fish is a good example. It is most commonly observed in male fish during the breeding season.A common sign of territorial behavior is swimming in circles. By swimming in a circle ...