Figure 3.

Synthesis of data (Sheehy 2002a; Sheehy & Prior 2005; this study) relating average neurolipofuscin accumulation rate in the central nervous system of various arthropods with (a) average natural mortality rate and (b) maximum lifespan. (1) European lobster, Homarus gammarus (temperate marine); (2) western rock lobster, Panulirus cygnus (temperate marine); (3) signal crayfish, Pacifastacus leniusculus (temperate freshwater); (4a–c) edible crab, Cancer pagurus (temperate marine), North Sea population, eastern English Channel population, western English Channel population, respectively; (5) Australian yabby, Cherax cuspidatus (temperate freshwater); (6) red-claw crayfish, Cherax quadricarinatus (tropical freshwater); (7) African migratory locust, Locusta migratoria (tropical and temperate terrestrial).