Acyl-CoA synthetases are expressed in the larval zebrafish yolk syncytial layer (YSL) and intestine. (A) In situ hybridization reveals expression of acsl1b, acsl4b, and acsl5 in the YSL at 24 hpf, and acsl1b in the developing gut at 2 dpf. Adapted from Ref. (17). (B) acsl4a is expressed in the gut and central nervous system (cns) of the 4 dpf larval zebrafish, and in the YSL at 24 hpf and earlier. Reprinted from Ref. (52), Figure S1E in Supplementary Material, under a CC-BY license. (C) fatp4/acsvl4 is expressed in the gut (especially the anterior bulb) of the 5 dpf larval zebrafish. Adapted from Ref. (53).