Productivity attribute	High productivity (low risk, score = 1)	Medium productivity (medium risk, score = 2)	Low productivity (high risk, score = 3)
Average age at maturity	< 5 years	5 – 15 years	> 15 years
Average maximum age	< 10 years	10 – 25 years	> 25 years
Fecundity	> 20 000 eggs per year	100 – 20 000 eggs per year	< 100 eggs per year
Average maximum size (not to be used when scoring invertebrate species)	< 100 cm	100 – 300 cm	> 300 cm
Average size at maturity (not to be used when scoring invertebrate species)	< 40 cm	40 – 200 cm	> 200 cm
Reproductive strategy	Broadcast spawner	Demersal egg layer	Live bearer
Trophic level	< 2.75	2.75 – 3.25	> 3.25
Density dependence (to be used when scoring invertebrate species only)	Compensatory dynamics at low population size demonstrated or likely.	No depensatory or compensatory dynamics demonstrated or likely.	Depensatory dynamics at low population sizes (Allee effects) demonstrated or likely.