The first chromosome-level annotated reference genome for <i>Chrosomus eos</i> , the northern redbelly dace
Bibliographic record
Abstract
Abstract Hybridization amongst teleost fish species is an ongoing phenomenon with unclear implications. Chrosomus eos , the northern redbelly dace, is a species with an especially complex and fascinating history of hybridization with the closely related species Chrosomous neogaeus , the finescale dace. The two species historically hybridized during the last glacial maximum, forming a rare unisexual F1 hybrid lineage that utilizes gynogenetic reproduction. This hybridization event is currently thought to have only occurred during the glacial period, with subsequent dispersal of parents and hybrids into contemporary ranges during glacial recession and a cessation of further hybridization. All three maintain sympatric relationships, with limited evidence suggesting recent or contemporary hybridization between the parental species. To enable future research, a novel, high-quality, chromosome-level genome was produced through Dovetail Genomics and analyzed for completeness and the syntenic relationship between itself and the high-quality, well cited zebrafish Danio rerio genome.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.004 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.008 | 0.004 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".