Glossary

hybrid

Organism resulting from a natural or artificial cross between genetically-unlike individuals.

Related terms

cross
To crossbreed; an organism produced by crossbreeding; a hybrid
F1
Term used in the fields of genetics and selective breeding in reference to the first filial generation, i.e., hybrid offpsring, of a cross between two distinctly different parental lines. Often used in aquarium literature to refer to offspring of F0 parents whether of the same species or not.
hybridisation
The process of crossing different species or populations of organisms in order to produce hybrids.
sibling species
One of two or more very closely-related species that are reproductively isolated from one another but almost indistinguishable in morphologically and/or behaviourally. May occur sympatrically and even interbreed but are incapable of producing fertile hybrid offspring. Sometimes referred to as cryptic species.