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Line 37: == Physiology == ~~One environmental parameter that requires regulatory function of the red king crab is the [[season]] due to the [[temperature]] change.~~ Mature female red king crabs must remain in warmer water (near 4 °C) to ensure the eggs will be ready for hatching, while the male red king crabs stay in relatively cold water (near 1.5 °C) to conserve energy output. In spring (May), female red king crabs move to shallow coastal areas to [[moult]] and [[spawn (biology)\|spawn]], and males join the females in the shallow water prior to moulting. In the summer (mid-June through mid-November), these crabs spend their time in fairly deep water, below established summer [[thermocline]]. When the thermocline breaks down, the red king crabs migrate back to intermediate depths where they remain until the female red king crab release the eggs fertilized in the previous spawning.<ref>{{cite journal\|last1=Loher\|first1=Timothy\|last2=Hill\|first2=P. Scott\|last3=Harrington\|first3=Gretchen\|last4=Cassano\|first4=Edward \|year=1998 \|title=Management of Bristol Bay Red King Crab: A Critical Intersections Approach to Fisheries Management \|journal=Reviews in Fisheries Science \|volume=6 \|issue=3 \|pages=169–251 \|doi=10.1080/10641269891314285}}</ref>▼ ~~The red king crab has a certain range of tolerance to various environmental parameters.~~ ▲One environmental parameter that requires regulatory function of the red king crab is the [[season]] due to the [[temperature]] change. Mature female red king crabs must remain in warmer water (near 4 °C) to ensure the eggs will be ready for hatching, while the male red king crabs stay in relatively cold water (near 1.5 °C) to conserve energy output. In spring (May), female red king crabs move to shallow coastal areas to [[moult]] and [[spawn (biology)\|spawn]], and males join the females in the shallow water prior to moulting. In the summer (mid-June through mid-November), these crabs spend their time in fairly deep water, below established summer [[thermocline]]. When the thermocline breaks down, the red king crabs migrate back to intermediate depths where they remain until the female red king crab release the eggs fertilized in the previous spawning.<ref>{{cite journal\|last1=Loher\|first1=Timothy\|last2=Hill\|first2=P. Scott\|last3=Harrington\|first3=Gretchen\|last4=Cassano\|first4=Edward \|year=1998 \|title=Management of Bristol Bay Red King Crab: A Critical Intersections Approach to Fisheries Management \|journal=Reviews in Fisheries Science \|volume=6 \|issue=3 \|pages=169–251 \|doi=10.1080/10641269891314285}}</ref> Although the red king crab has a wide range of tolerance to temperature, it has an effect on their growth. The organism's growth, called moulting, is slow at temperatures below 8 °C and at high temperatures around 12 °C they moult quickly.<ref>{{cite journal\|last1=Stoner\|first1=Allan W.\|last2=Ottmar\|first2=Michele L.\|last3=Copeman\|first3=Louise A. \|year=2010 \|title=Temperature effects on the molting, growth, and lipid composition of newly-settled red king crab \|journal=Journal of Experimental Marine Biology and Ecology \|volume=393 \|issue=1–2 \|pages=138–147 \|doi=10.1016/j.jembe.2010.07.011}}</ref>

Red king crab: Difference between revisions