Table 2 Comparison of genome assemblies in three Leuciscus species.

From: Chromosome-level genome assembly of a critically endangered species Leuciscus chuanchicus

Features

Leuciscus waleckii (2017)53

Leuciscus waleckii (2023)20

Leuciscus chuanchicus

Estimated genome size (bp)

896,000,000

1,125,030,000

1,105,646,060

Contig number

39,398

6,407

233

Total length (bp)

738,258,966

1,103,966,172

1,160,128,619

Contig N50 (bp)

37,373

1,515,867

31,116,631

Average contig length (bp)

18,738

172,603

4,979,093

Largest contig length (bp)

303,582

12,092,634

50,979,897

GC contents (%)

38.11

38.77

38.87

Scaffold number

4,888

4,250

130

Total length (bp)

752,538,629

1,105,256,174

1,160,198,222

Scaffold N50 (bp)

21,959,719

40,463,192

43,855,677

Average scaffold length (bp)

153,956

252,850

8,924,602

Largest scaffold length (bp)

37,168,685

71,368,982

77,086,779

GC contents (%)

37.39

38.69

38.87%

Number of chromosomes

24

25

25

Length of scaffolds anchored on chromosomes (bp)

556,215,515 (73.91%)

1,020,347,057 (92.32%)

1,135,130,988 (97.84%)

Gaps

34,510

2,582

106

  1. Notes: The genome sequences and annotation data of Leuciscus waleckii (2017) were downloaded from NCBI database with accession number GCA_900092035.1, and the genome sequences and annotation data of Leuciscus waleckii (2023) were downloaded from NCBI database with accession number GCA_041200155.1.