Category Archives: Guppies anatomy & genetics

Let’s learn about guppy anatomy and genetics …

About the Moscow breed – post by Юрмен in Russian and English

Visually clarification / evidence were not recorded or published. It is a medium-sized fish, although giants sometimes appeared among them. The shape of the male is elegant, it is relatively narrow, but not effeminate. The prehistory is ruby-colored or blood-red, … Continue reading

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Guppy Color Strains by Philip Shaddock

Online PDF format – FlipBook;  

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The difference between Ribbon and Swallow guppies

The ribbon only has long anal fins and most often a long dorsal fin, that it makes the females look more attractive to keep and in my opinion, they are beautiful! The tail (caudal) is not affected by the ribbon … Continue reading

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Giessen trait of long fins – RIBBON FINS

by Igor Dusanic for Chesapeake Guppy Club

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Why guppies have genital claws

Male guppies use genital claws to increase the transfer of sperm in mating, researchers say. New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult … Continue reading

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Guppies and sexual conflict? It’s a genital arms race

(Phys.org) —It’s not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species. … Continue reading

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Leucophores / Genetics

Leucophores are flattened, elongate, reflective cells found in the skin of many shallow-water octopods, some cuttlefish and the squid Sepioteuthis (Hanlon and Messenger, 1996). According to Cloney and Brocco (1983) each cell body of a leucophore contains a nucleus, scattered … Continue reading

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