horsefish

noun5

1. •
   A sea horse (Hippocampus spp.).
2. •
   A horseshoe crab (order Xiphosura spp.).
3. •
   An opah (family Lamprididae).
4. •
   Any of several species of genus Congiopodus.
5. •
   (no longer used) A sauger (Sander canadensis).