We might as well since I spent the time typing up the original text.
Here are the stats for the giant seahorse from Dragon Magazine #327...
Giant Seahorse
Large Animal (Aquatic)
Hit Dice: 3d8 (13 hp)
Initiative: +2
Speed: Swim 60 ft. (12 squares)
Armor Class: 13 (-1 size, +2 Dex, +4 natural), touch 11, flat-footed 13
Base Attack/Grapple: +2/+8
Attack: Tail slap +4 melee (1d6+2)
Full Attack: Tail slap +4 melee (1d6+2)
Space/Reach: 10 ft./5 ft.
Special Attacks: -
Special Qualities: Low-light vision
Saves: Fort +3, Ref +5, Will +2
Abilities: Str 14, Dex 15, Con 11, Int 2, Wis 12, Cha 8
Skills: Hide +4*, Listen +5, Spot +5, Swim +10
Feats: Alertness, Endurance
Environment: Any aquatic
Organization: ?
Challenge Rating: 1
Treasure: None
Alignment: Always neutral
Advancement: -
Level Adjustment: -
Skills: A giant seahorse has a +8 racial bonus on any Swim check made to perform some special action or avoid a hazard. It can always choose to take 10 on a Swim check, even if distracted or endangered. It can use the run action while swimming, provided it swims in a straight line.
*A giant seahorse has a +4 racial bonus on Hide checks when in an area of dense seaweed or other aquatic foliage.