Hobby culture
F1
Breeder line Probable
A culture sold as F1. The working identification is Ceratophysella isabellae.
Read this first
The origin of this stock is not documented.
What the name stands for
Three different things share one name. A culture is not a species, and a species is not the animals in your tub. Keeping them apart is how this site avoids repeating the trade's mistakes.
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The culture
A lineage kept in tubs and passed between keepers under one name. The name comes from the trade.
- Name type
- Breeder line
The origin of this stock is not documented.
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The species it matches
The working identification, and how it was reached.
Ceratophysella isabellae- Name form
- Exact name The name has been matched against the published description.
- How sure
- Probable More likely than not, with gaps left.
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The animals checked
No specimen has been examined. The name rests on the trade label.
- Basis
- Trade label only
- Review
- Reviewed by a curator
Care advice follows the working identification. Check it against what you see.
What would settle it
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What does F1 mean for the Lilac culture?
Trade names Open
Why it matters. F1 normally means the first generation of a cross. Without a stated cross or line, the label tells a keeper nothing about what the animals are.
What would help. A statement from the seller of which animals were crossed or which line was founded, with the date and number of founders.
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Which species is this culture, checked by a specialist?
Identification Needs a voucher specimen
Why it matters. Hobby cultures are mostly named from a seller's label or a photograph. A wrong name spreads from seller to keeper and then into care advice.
What would help. Preserved vouchers from the culture in 80 to 95 percent ethanol, mounted specimens examined by a springtail specialist, and a DNA barcode where a reference exists. Deposit the voucher with a museum or a university collection.