Cartilaginous Fishes

Venomous spine, males have a "tentaclum" (weird spiny thing on nose), Oviparous, Desmersal

What group contains the "cow and frilled sharks"?

7 gills slits, 1 dorsal fin, 1 anal fin, scattered black spots on body, 3m max total length, Humboldt bay birthing/nursery, Cosmopolitan distribution

Two small to moderately large dorsal fins usually preceded by a spine, no anal fin, eyes with out a nictitating membrane, spiracle, body with white spots on side, Very abundant, Anti tropical distribution, schooling, 100yrs lifespan, Name Family, genus, species

Name the family that has; Pointed snout, no nictitating eyelids, Large gill slits that extend well above middle of body and slightly on ventral surface, all gill slits anterior to pectoral fin base.

Pectoral fin origin mostly ahead of dorsal fin origin, one keel on caudal peduncle, teeth with serrated edges and no lateral cusplets, Cosmopolitan distribution, cannibalistic viviparity, <6 meters, 30yrs max

Pectoral fin origin mostly below first dorsal fin origin, two keels on caudal peduncle, teeth smooth with lateral cusplets, Japan to Baja, cannibalistic viviparity, 3meter max total length, Specialized for foraging on Salmon

What group is characterized by; narrow gill slits, presence of a nintitating eyelid, two spineless dorsal fins, five paired gill slits, mouth extends beyond eyes, anal fins present?

Origin of first dorsal fin over or behind origin of pelvic fins, spiracle present, oviparous.Name family

What family is characterized by; eyes oval, spiracle present, long labial furrows, no precaudal pits

Broad black bars, saddles and spots on back and spines