They heal 4 HP. Source: http://runescape.wikia.com/wiki/Sardine
Eating a bass would heal 130 LifePoints.
it has 80 hp
They heal 21 Hp
400 exp.
920 each
35
On average, sardines can cost anywhere from $1 to $4 per can.
usually each trout gives you 50xp
75 exp each.
You get 50 mining experience for every coal you mine.
50 Fishing XP 77 Cooking XP
Cooking a tuna give 100 exp. It also heals 100 life points.