Base of ventrals midway between front-border or hind-border of eye and base of caudal..
Base of ventrals more backwards, at most midway between head and base of caudal, generally nearer to base of caudal than to head
Head from tip of upper jaw to branchial opening 3.2 in trunk. Caudal with a black border ..
Head from tip of upper jaw to branchial opening 3.5 – 3.7 in trunk. Caudal with a black border
Head from tip of upper jaw to branchial opening 3.7 – 4 in trunk. Tips of caudal black