Petromyzon is

Petromyzon spawns

Petromyzon spawns

Assertion. Petromyzon ascends the rivers to spawn. Reason. It destroys foodfishes.

How many of the given animals are chordates with vertebra and jaws ? Sea hare, Doliolum , Stingray, Petromyzon , Salpa, Ichthyophis , Macropus, Clarias , Branchiostoma ,chelone, Balanoglossus

How many of the given animals are chordates with vertebra and jaws ? Sea hare, Doliolum , Stingray, Petromyzon , Salpa, Ichthyophis , Macropus, Clarias , Branchiostoma ,chelone, Balanoglossus

Study the given list of animals : Aurelia, Lepisma, Petromyzon, Hippoxcampus , Asterias , String ray How many true fish in given list ?

Study the given list of animals : Aurelia, Lepisma, Petromyzon, Hippoxcampus , Asterias , String ray How many true fish in given list ?

Read the following matches about chordates and it's characteristics. I. Petromyzon - belongs to cyclostomata and are endoparasites on some fishes. II. Scoliodon - a Chondrichthyes in which teeth are modified placoid scales. III. Hippocampus - a cartilaginous aquarium fish known as a sea horse. IV. lchthyophis is a limbless viviparous amphibian with direct development. Select the incorrect statements ?

Read the following matches about chordates and it's characteristics. I. Petromyzon - belongs to cyclostomata and are endoparasites on some fishes. II. Scoliodon - a Chondrichthyes in which teeth are modified placoid scales. III. Hippocampus - a cartilaginous aquarium fish known as a sea horse. IV. lchthyophis is a limbless viviparous amphibian with direct development. Select the incorrect statements ?

Which of the following is the larva of Petromyzon ?