These include the pygmy sea horse, which could easily fit on your fingernail, and the potbellied sea horse, which can grow to over 13 inches [30 cm] in length.
Starp tām ir gan sīciņais Hippocampus bargibanti, kas brīvi varētu novietoties uz cilvēka naga, gan tāda paprāva zivs kā Hippocampus abdominalis, kas var pārsniegt 30 centimetru garumu.