[i have crabs]

ive had a few groupers and a snapper go from 2-3" to over 12" in less than 2 years then just maintain that size.
then thiers buddy who i almost bought as a 4" grouper when i got 2 others and when i did get him from golds a year later he was 18" or so and now hes close to the 20-21" range.
i also had a snowflake eel go from 8" to over 24" in 2 years