Table 1.

Comparison between ZFLNC and related databases

Database	Genes	Transcripts	Expression	Function annotation	Conservation
NCBI	3208	4869	×	×	×
Ensembl	2839	4133	×	×	×
NONCODE	NA	8360	×	×	×
zflncRNApedia	NA	2181	√	×	×
ZFLNC	13 604	21 128	√	√	√

The above information is based on NCBI Danio rerio Annotation Release 104, Ensembl Zebrafish release 79, NONCODEv4 and zflncRNApedia. The zebrafish lncRNAs in NONCODEv4 and zflncRNApedia are transcripts level.