epidermis outer layer,epidermis inner layer,ionocyte,fin crest,mucociliary epithelium,keratinocyte,Leydig cell,epidermal cell,migrating macrophage,small secretory cell,Eberth-Kastschenko layer,Leydig cell,dermis,epidermal cell,epidermis,epidermis inner layer,epidermis outer layer,fin crest,goblet cell,ionocyte,keratinocyte,migrating macrophage,mucociliary epithelium,neuromast mantle cell,neuromast support cell,pigment cell,skin gland,small secretory cell,stratum compactum,stratum spongiosum,Jacobson's organ,choana,fin margin,olfactory nerve,olfactory organ,olfactory pit,olfactory placode,skin