A Stage-Structured Fishery Model for African Catfish and Nile Tilapia Feeding on Two Food Resources with Harvesting

Table 5

Parameters for African catfish, denoted in our model description. MA is an abbreviation of model assumption.

Parameter	Definition	Value	Unit	Source
	Birth size	0.02	g	[55]
	Maturation size to large juveniles	10	g	MA
	Maturation size to small adults	190	g	[46, 62]
	Maturation size to large adults	6000	g	MA
	Reproduction fraction	0.5	—	MA
	Natural mortality rate		day^-1	[52]
	Maintenance rate		day^-1	[48, 50]
	Half saturation constant		g/L	[53, 54]
	Maximum ingestion rate for juveniles		day^-1	[49, 51]
	Maximum ingestion rate for adults		day^-1	[23]
	Conversion efficiency rate	0.5	—	[50]