Quiz 1- Orders and Identification

Shark orders

1. Squatiniformes

2. Pristiophoriformes

3. Squaliformes

4. Echinorhiniformes

5. Hexanchiformes

6. Heterodontiformes

7. Orectolobiformes

8. Carcharchiniformes

9. Lamniformes

Ray Orders

1. Rhinopristiformes

2. Torpediniformes

3. Myliobatiformes

4. Rajiformes

Angel shark

Squatiniformes

Saw Shark

Pristiophoriformes

Dogfishes

Squaliformes

Bramble sharks

Echinorhiniformes

Cow sharks

Hexanchiformes

Horn Sharks

Heterodontiformes

Carpet sharks

Orectolobiformes

Ground sharks

Carcharhiniformes

Mackerel shark

Lamniformes

Sawfishes & guitarfishes

Rhinopristiformes

Electric rays

Torpediniformes

Stingrays

Myliobatiformes

Skates

Rajiformes

Steps for identifying a shark if anal fin is present

1. Anal fin (Present)

2. Dorsal fin (if theres 2 or 5 gill slits)

3. Spines (none)

4. Mouth in front or behind eyes (if behind)

5. Nictitating eyelids

How to identify a shark if no anal fin present

1. Anal fin (not present)

2. Body shape

3. Snout length

Steps for identifying Squatiniformes

Angel shark

1. No anal fins

2. Body flattened ray like mouth terminal

Identify a saw shark

(Pristiophoriformes)

1. No anal fin

2. Body elongated not ray like

3. Snout is elongated and saw like

If a shark has no anal fin, body is not ray like, and the snout is short what is it?

1. Echinorhiniformes or Squaliformes

2. Bramble shark or Dogfish

What has an anal fin present and one dorsal fin and how many gill slits?

6 or 7 gill slits

Hexanchiformes

Cow shark

How to identify a carcharhiniformes?

Ground shark

1. Anal fin present

2. 2 dorsal fins or 5 gill slits

3. No fin spines

4. Mouth behind front of eyes (no overlap)

5. Nictitating eyelids

How to identify Lamniformes

Mackerel shark

1. Anal fins

2. 2 dorsal fins or 5 gill slits

3. No fin spines

4. Mouth is behind eyes

5. No Nictitating eyelids

How to identify Orectolobiformes

Carpet shark

1. Anal fins

2. 2 dorsal fins or 5 gill slits

3. No fin spines

4. Mouth is in front of eyes (overlapping)

How to identify Heterodontiformes

Horn shark

1. Anal fin present

2. 2 dorsal fins or 5 gill slits

3. Spines present

How to identify sawfish

Rhinopristiformes

1. Saw like snout

How to identify guitarfish

Rhinopristiformes

1. No sawlike snout

2. 2 dorsal fins that are closer to the pelvis not tail

3. No electric organ present

How to identify Torpediniformes

1. No saw like snout

2. 2 dorsal fins closer to pelvis not tail

3. Electric organ

How to identify Rajiformes

Skates!!

1. Snout not sawlike

2. 2 dorsal fins fins close to tail or none

3. 2 pelvic lobes

How to identify Myliobatiformes

Sting ray

1. Snout not sawlike like

2. 2 dorsal fins near tail or none

3. Single lobed pelvis

4. Head incorporated into disk

How to identify Myliobatiformes (eagle, manta, cownose)

1. snout not sawlike

2. 2 dorsal fins near tail or none

3. Single lobed pelvis

4. Head part elevated eyes on side

Rhinopristiformes guitar fish

Ground shark if eyelid- Carcharhiniformes

Mackerel shark if not- Lamniformes

Carpet shark- Orectolobiformes

Mouth in front of eyes

Cow shark- Hexanchiformes

Carcharhiniformes, ground shark

if no eyelid

Lamniformes- Mackerel shark

Saw shark- Pristiophoriformes

Ground shark- Carcharhiniformes

Squaliformes, dogfish

Heterodontiformes, horn shark

Skate, Rajiformes

Torpediniformes, electric ray

Myliobatiformes, sting ray

Rhinopristiformes, guitarfish

Sawfish Rhinopristiformes

Echinorhiniformes or Squaliformes