Not an official term in genetics, but often used in reference to the founder, or parental, generation in a line of captive-bred organisms. Also used in aquarium literature to refer to wild caught fishes or a pair or group of assumedly unrelated individuals being used for breeding purposes.
Glossary: F0
Glossary: 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.
Glossary: F2
Offspring of the second filial generation, resulting from a cross between F1 individuals. Future such generations are termed F3, F4, etc..
Glossary: facultative
Capable of functioning or existing under varying environmental conditions.
Glossary: falcate
Sickle-shaped.
Glossary: family
Taxonomic rank below order and above genus. Contains one or more genera.
Glossary: fang
Relatively long, sharp, pointed tooth.
Glossary: fanning
Process of moving water over eggs or fry via rapid movement of the fins, thus aerating or removing solid particles from them.
Glossary: fecund
Producing or capable of producing offspring or vegetation. Sometimes used in reference to particularly productive organisms.
Glossary: fecundity
Fertility.
Glossary: feeder fish
Live fish used specifically for feeding to another fish.
Glossary: feral
Existing in a wild or uncultivated state; returning or transferring to such a state having previously been domesticated.
Glossary: fertile
Capable of reproduction.
Glossary: fertility
The state of being fertile.
Glossary: filament
Thread-like, slender process or appendage; thin chain of cells.
Glossary: filamentous
Of, relating to, or resembling a filament.
Glossary: filial
Of, relating to or being a generation or the series of generations following the parental (F0) generation.
Glossary: filiform
Threadlike; shaped like a filament.
Glossary: filter
Device through which water is passed in order to remove suspended solid particles (mechanical filtration) or chemical impurities (biological filtration); any device which assists in maintenance of water quality.
Glossary: filter feeding
Feeding behaviour in which solid, organic particles are filtered from the surrounding water. Normally involves some degree of specialised morphology.
Channa andrao – Lal Cheng (Channa sp. Assam, Channa sp. lal cheng)
Hi, the images with fry are included here. Just click on one of the photos to make it bigger, then use the arrows to scroll through until you find the...
26th Nov 2019
Synodontis decorus – Clown Synodontis (Synodontis vittatus, Synodontis decora)
Fixed!
26th Nov 2019
Synodontis angelicus – Polka Dot Synodontis (Synodontis angelica)
Fixed, thanks for the heads up!
26th Nov 2019
Synodontis decorus – Clown Synodontis (Synodontis vittatus, Synodontis decora)
Similar to the Angelicus, this scientific name is off. Its Decorus, not Decora.
6th Nov 2019
Synodontis angelicus – Polka Dot Synodontis (Synodontis angelica)
The scientific name for this fish is incorrect. It is Synodontis angelicUS, not angelicA. Fishbase lists angelica as a common misspelling, and Esch...
6th Nov 2019