Predicted to enable RNA binding activity. Involved in RNA splicing, via transesterification reactions; cytosolic transport; and negative regulation of mRNA splicing, via spliceosome. Located in nucleoplasm. Is expressed in several structures, including brain; branchial arch; foregut-midgut junction; heart ventricle; and sensory organ. Orthologous to human SRSF10 (serine and arginine rich splicing factor 10). [provided by Alliance of Genome Resources, Apr 2022]