Linked from
The 8 pages that link to Critical thermal maximum, each with the reason it gives.
EctothermyRelated: It helps quantify heat limits in ectothermic animals.
EctothermRelated: This threshold helps quantify the upper heat limits of ectotherms.
PoikilothermyRelated: It marks a limit on the temperatures poikilothermic organisms can tolerate.
PoikilothermRelated: It measures a key limit on poikilotherms exposed to heat.
EurythermRelated: It provides one measure of the upper boundary of thermal tolerance.