bioenergetics juvenile 8 Astacoidea 6 Cherax quadricarinatus 6 crayfish 6 crustacean culture 6 reproductive cost 6 Aves 4 Beagle Channel 4 Crustacea 4 Decapoda (Crustacea) 4 Echinodermata 4 Energetic reserves 4 Mirounga leonina 4 commercial species 4 echinoderm 4 lipid 4 pinniped 4 reproductive cycle 4 spawning 4 survival 4 Animalia 2 Animals 2 Antarctica 2 Argentina 2 Asteroidea 2 Atyidae (crustaceans) 2 Bacteria (microorganisms) 2 Bioenergetics 2 Birds 2