I understand what you guys are saying but not sure what the question is looking for.
The RW concept is an indicator (measuring device) of fish condition not ability to grow. It reflects
if they have been growing , not can they grow . I agree that certain RWs can define the condition of a fish such as in declining condition ( no growth or near dead). If a fish remains at a low RW it can be stunted , sick , starved or near dead. But consider this - a 100% RW female in Feb can be a 70% RW female in April due to spawning.
Growth is better explained by bioenergetics. The first amount of energy consumed = basic metabolic functions ( breathing ,organ function , respiration) while the next additional energy consumed = growth. I can find the specific data on growth ( temp , calories etc) but I am not sure it would help with the question
Try this link for an explanation and charts -
http://www.aces.edu/pubs/docs/A/ANR-1193/Also try this:
https://www.aces.edu/blog/topics/fi...easy-to-measure-index-of-fish-condition/"Fisheries managers often need to know if fish are growing poorly or even losing weight. Lack of food, poor water quality, poor water temperatures (too hot or too cold), or disease can cause stress that results in poor growth. While growth may be difficult to measure, condition or plumpness of the fish is easy to measure and indicates if the fish are under stress."
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