Lineage 2 Fishing skills

So, about fishing, I get that the fishing expertise skill regulates what you can catch and what colors you get, but is there a more precise guideline to that? Is there an exact overview of what you can get at what level of expertise? Also, is it true that you should keep your pumping and reeling no more than 2 levels above your expertise?

Expertise Fish
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Level 1-3: Green fish (Small, normal, Big)
Level 4-6: Jade fish (Small, normal, Big)
Level 7-9: Blue fish (Small, normal, Big)
Level 10-12: Yellow fish (Small, normal, Big)
Level 13-15: Orange fish (Small, normal, Big)
Level 16-18: Purple fish (Small, normal, Big)
Level 19-21: Red fish (Small, normal, Big)
Level 22-24: White fish (Small, normal, Big)
Level 25-27: Black Fish (Small, normal, Big)