Which one of the following is incorrectly matched with its characteristic and the taxon? Animal Characteristics Taxon (I) Trygon Poison sting Chondrichthyes (II) Scoliodon Ampulla of Lorenzini Chondrichthyes (III) Exocoetus Pectoral fin is large Osteichthyes (IV) Hippocampus Parental care Chondrichthyes

Step-by-step solution

Trygon and Scoliodon both belong to the class Chondrichthyes of super class Pisces, Subphylum Vertebrata of Phylum Chordata which possess cartilaginous endoskeleton. Notochord is persistent throughout life in Chondrichthyes and possess a ventrally placed mouth. Skin contains minute placoid scales. Trygon possesses poison sting and is commonly known as sting ray. Scolidion possesses special electro receptors known as Ampulla of Lorenzini. They both are poikilothermous animal with two chambered heart. Exocoetus and H