Table 7. Cytochemical reactivity of blood cells from ayu, Plecoglossus altivelis altivelis, and several teleosts [4,5,6, 8,9,10, 14, 15, 21].

Cytochemical reaction	Fish species	Thrombocyte		Lymphocyte		Neutrophil		Basophil		Eosinophil		Monocyte/Macrophage
		C.R.	[Ref.]	C.R.	[Ref.]	C.R.	[Ref.]	C.R.	[Ref.]	C.R.	[Ref.]	C.R.	[Ref.]
PO	Plecoglossus altivelis altivelis	–		–		+						– ~ ±
	Cyprinus carpio	–	[8]	–	[4,9]	+	[21]	–	[21]			–, +	[4,9]
	Carassius auratus	–	[8]	–	[9]							+	[9]
	Carassius carassius	–	[8]									+	[9]
	Ictalurus punctatus	–	[5]			+	[5]					–	[5]
	Salmo irideus	–	[8]	–	[9]							+	[9]
	Anguilla anguilla	–	[8]	–	[9]							+	[9]
	Takifugu vermicularis					+	[21]	–	[21]
	Takifugu niphobles					+	[10]			–	[10]
	Takifugu rubripes					+	[10]			–	[10]
	Lates japonicus			–	[15]	+	[15]			–	[15]	–	[15]
	Chelon haematocheilus			–	[14]	+	[14]					–	[14]
	Pleuronectes platessa L.					+	[6]
ALP	Plecoglossus altivelis altivelis	–		±		+						–
	Cyprinus carpio	–	[8]	–	[9]	–	[22]	–	[21]			±	[9]
	Carassius auratus	–	[8]	–	[9]							–	[9]
	Carassius carassius											–	[9]
	Salmo irideus	–	[8]	–	[9]							±	[9]
	Anguilla anguilla	+	[8]	+	[9]							–	[9]
	Takifugu vermicularis					–	[21]	–	[21]
	Lates japonicus			±	[15]	+	[15]			–	[15]	±	[15]
	Chelon haematocheilus			–	[14]	–	[14]					+	[14]
	Pleuronectes platessa L.					+	[6]
ACP	Plecoglossus altivelis altivelis	±		+		+						+
	Cyprinus carpio	+	[8]			+	[21]	+	[21]			+	[9]
	Carassius auratus	±	[8]	±	[9]							+	[9]
	Carassius carassius	±	[8]	±	[9]							+	[9]
	Salmo irideus	+	[8]	–	[9]							+	[9]
	Anguilla anguilla	–	[8]	–	[9]							+	[9]
	Takifugu vermicularis					+	[21]	+	[21]
	Lates japonicus			±	[15]	+	[15]			±	[15]	+	[15]
	Chelon haematocheilus			+	[14]	+	[14]					+	[14]
	Pleuronectes platessa L.	+	[6]			+	[6]					+	[6]
ES (α-NB)	Plecoglossus altivelis altivelis	–		–		±						+
	Cyprinus carpio					+	[21]	±	[21]
	Takifugu vermicularis					+	[21]	–	[21]
	Lates japonicus			–	[15]	+	[15]			–	[15]	–	[15]
	Chelon haematocheilus			–	[14]	±	[14]					+	[14]
PAS	Plecoglossus altivelis altivelis	–		±		+						+
	Cyprinus carpio	+	[8]					+	[21]			+	[9]
	Carassius auratus	+	[8]	+	[9]							+	[9]
	Carassius carassius	+	[8]	+	[9]							+	[9]
	Salmo irideus	+	[8]	+	[9]							+	[9]
	Anguilla anguilla	+	[8]	+	[9]							+	[9]
	Takifugu vermicularis							–	[21]
	Lates japonicus			±	[15]	+	[15]			±	[15]	±	[15]
	Chelon haematocheilus			±	[14]	+	[14]					+	[14]
	Pleuronectes platessa L.	±	[6]	±	[6]	+	[6]					+	[6]

PO:Peroxidase, ALP: Alkaline phosphatase, ACP: Acid phosphatase, EST (α-NB):Esterase (α-naphthyl butyrate), PAS: Periodic acid Schiff reaction, C.R.: Cytochemical reactivity, Ref.: References.