River fish

Use an equal weight; cut into the same size pieces and add near the end so it does not flake apart.

Use an equal weight; it is softer, so simmer gently for 3–5 minutes less.

Use an equal weight; it holds well in curry but is richer, so skim excess oil if needed.

Use the same weight as the fish; cube and add in the last 5 minutes so it stays soft.

Use the same weight; parboil wedges first and simmer 10–15 minutes longer than fish.

Use the same weight; parboil 15 minutes, then simmer until tender — it needs longer than fish.