Marine Bio Batoids Review

Batoids, as a group, includes

• sharks

• rays

• skates and rays

• sharks, skates, and rays

Elasmobranchs, as a group, include...

• sharks

• skates and rays and sharks

• skates and rays

• sharks, skates, rays, and ratfish

Has 2 small dorsal fins on a stubby tail

• skates

• rays

• both skates and rays

• neither skates and rays

Has a barb on its long, skinny tail

• skate

• stingray

• manta ray

• both skates and rays

The males have claspers

• sharks

• skates

• rays

• all 3

This (these) animals have internal fertilization during reproduction

• sharks

• skates

• rays

• all 3

Pup development inside the mother but attached to a yolk

• oviparous

• viviparous

• ovoviviparous

• placental viviparity

This animal has ONLY oviparous development

• sharks

• skates

• stingrays

• manta rays

This animal has ONLY ovoviviparous development

• sharks

• skates

• rays

• ratfish

This animal has all 3 types of development

• sharks

• skates

• rays

• ratfish