Statement 1: Pisces have a three-chambered heart.
Statement 2: Seahorse belongs to class pisces.
Statement 1 is false and statement 2 is true
Pisces are aquatic vertebrates that live in water. They have paired appendages called fins. They can taken in oxygen dissolved in water through the gills. They have two-chambered heart. Skin is generally covered by protective dermal scales. All fishes belong to the class pisces.
Example: Seahorse, carp, ray fish, eel etc.