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Inbreeding in fish information


Inbreeding in fish is the mating of closely related individuals, leading to an increase in homozygosity. Repeated inbreeding generally leads to morphological abnormalities and a reduction in fitness in the offspring. In the wild, fish have a number of ways to avoid inbreeding, both before and after copulation.

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Inbreeding in fish

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Inbreeding in fish is the mating of closely related individuals, leading to an increase in homozygosity. Repeated inbreeding generally leads to morphological...

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Inbreeding

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Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the...

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Fish reproduction

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medium inbreeding were compared in paired contests. Fish with low inbreeding showed almost twice the aggressive pursuit in defending territory than fish with...

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Inbreeding depression

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Inbreeding depression is the reduced biological fitness that has the potential to result from inbreeding (the breeding of related individuals). The loss...

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Inbreeding avoidance

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Inbreeding avoidance, or the inbreeding avoidance hypothesis, is a concept in evolutionary biology that refers to the prevention of the deleterious effects...

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Vertebrate

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mutations. The effects of inbreeding have been studied in many vertebrate species. In several species of fish, inbreeding was found to decrease reproductive...

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Coho salmon

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long tons; 44 short tons) for later use. Pre-spawn mortality in coho salmon Inbreeding in fish Gehr, Susan; Bright. Karuk Dictionary. NOAA Fisheries (2023-10-12)...

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Guppy

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size and colour, some strains of the fish have become less hardy than their wild counterparts. Immense inbreeding of guppies has been found to affect body...

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Fish hatchery

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A fish hatchery is a place for artificial breeding, hatching, and rearing through the early life stages of animals—finfish and shellfish in particular...

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White Cloud Mountain minnow

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farms and are easily available through the aquarium trade. However, inbreeding in farms has led to genetically weak stock that is vulnerable to disease...

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Freshwater fish

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Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity...

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Walleye

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D. Malette; Daniel D. Heath (2006). "Inbreeding, Outbreeding and Environmental Effects on Genetic Diversity in 46 Walleye (Sander Vitreus) Populations"...

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Iridovirus dwarf gourami disease

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genetics of the dwarf gourami, a popular fish in the aquarium trade. It is the result of severe inbreeding. Despite being unable to develop the disease...

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Sequential hermaphroditism

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this reduced inbreeding, but it may be a more general mechanism for reducing pollen-pistil interference.[clarification needed] Teleost fishes are the only...

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List of freshwater aquarium fish species

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adapted to live in aquariums. This list gives some examples of the most common species found in home aquariums. List of aquarium fish by scientific name...

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Axolotl

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relatedness that are indicative of inbreeding. Inbreeding can be especially harmful as it can cause an increase in the presence of deleterious, or harmful...

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Zebrafish

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(February 2013). "Interactive effects of inbreeding and endocrine disruption on reproduction in a model laboratory fish". Evolutionary Applications. 6 (2):...

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Cichlid

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Similarly, intentional inbreeding can cause physical abnormalities, such as the notched phenotype in angelfish. The genus list is as per FishBase. Studies are...

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Inbred strain

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particular species which are nearly identical to each other in genotype due to long inbreeding. A strain is inbred when it has undergone at least 20 generations...

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Silene latifolia

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indicated the occurrence of inbreeding depression in male plants under natural conditions. In female plants, inbreeding depression significantly affects...

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Exogamy

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often results in two individuals that are not closely genetically related marrying each other; that is, outbreeding as opposed to inbreeding. In moderation...

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Florida panther

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of puma in the Florida panther. Isolation was followed by a gradual decline in the population size that increased the likelihood of inbreeding depression...

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Cleaner fish

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Cleaner fish are fish that show a specialist feeding strategy by providing a service to other species, referred to as clients, by removing dead skin,...

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Brook trout

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a species of freshwater fish in the char genus Salvelinus of the salmon family Salmonidae native to Eastern North America in the United States and Canada...

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Bird

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to join unrelated groups. In general, inbreeding is avoided because it leads to a reduction in progeny fitness (inbreeding depression) due largely to...

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Selective breeding

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professionals. In animal breeding artificial selection is often combined with techniques such as inbreeding, linebreeding, and outcrossing. In plant breeding...

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Stickleback

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The sticklebacks are a family of ray-finned fishes, the Gasterosteidae which have a Holarctic distribution in fresh, brackish and marine waters. They were...

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F1 hybrid

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parent plants must have predictable genetic effects on the offspring. Inbreeding and selection for uniformity for multiple generations ensures that the...

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