This is definitely a case where something got lost in translation. The Gamakatsu Smallest tanago hook is much larger than the Owner Smallest hook
Gamakatsu
Gamakatsu Hooks
Gamakatsu Fishing Hooks in Fishing Tackle
Time-honored, traditional design combined with Gamakatsu's brand of sharpness and strength makes these hooks anything but tradtional. Gamakatsu's
Worm, Straight Shank, O’Shaughnessy Bend
Gamakatsu Big River Open Eye Hook - This fast penetrating hook holds better than conventional hook designs. And when fished barbless (which requires pinching the barb down), it's the best barbless hook you'll find. The unique Big River hook design locks fish in place when hooked. Forged for exceptional strength and built Gamakatsu sharp the Big River Open Eye Siwash is sure to make great lures even better. Available in Nickle Silver Black (NSB) finish for corrosion resistance.
Gamakatsu Big River Bait, Open Eye Hook, Size: 3/0
Gamakatsu Sea Tanago Hook White No. 6 Fishing Hooks
Worm, Straight Shank, O'Shaughnessy Bend - Gamakatsu USA Fishing Hooks
Worm, Straight Shank, O'Shaughnessy Bend - Gamakatsu USA Fishing Hooks
Tanago Small fish of the carp family
Gamakatsu KIWAME TANAGO Hook with 3cm Tetoron #100 5pcs