monster, sea, horse:3

Azure, in pall three sea-horses tails to center Or. Bazyli Oleschsky (1/1999 Atla)

Azure, on a bend sinister argent between two lymphads Or, three sea-horses palewise gules. Geoffrey of Hastings (10/1992 Aten)

Azure, three sea horses and on a chief argent three crosses of Cleves azure. Ludwig von Tschelln (9/2004 Eald)

Azure, three sea-unicorns erect, one and two, argent and a chief invected Or. Lynette de Laurier (10/1983 AnTi)

Azure, three winged seahorses argent. Nycolas Sparrowe (2/2011 AEth)

Per bend vert and sable, on a bend argent, three sea-horses palewise purpure. Niamh ingen Maolán (10/2005 AEth)

Per pale gules and azure, an anchor and on a chief invected Or three seahorses erect gules. Dietrich of Huntington (1/1998 Arte)

Sable, a fess between three seahorses naiant argent, crined and tailed Or. Meriel FitzWilliam (5/2004 Midd)