Enables long-chain fatty acid-CoA ligase activity. Acts upstream of or within neuroblast proliferation. Located in mitochondrion. Is expressed in heart; nervous system; and sensory organ. Human ortholog(s) of this gene implicated in acute myeloid leukemia and leukemia. Orthologous to human ACSL6 (acyl-CoA synthetase long chain family member 6). [provided by Alliance of Genome Resources, Apr 2022]