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Class of fishes, commonly known as the cartilaginous fishes, having a cartilaginous skeleton, spiral valve in the gut and no lungs or air bladder, and including the rays, skates and sharks.

The following taxa of this class occur in the region:

Family Carcharhinidae (Requiem sharks)
Family Dasyatidae (Stingrays)
Family Mobulidae (Devil rays)
Family Myliobatidae (Eagle rays)
Family Rhincodontidae (Guitarfishes)
Family Sphyrnidae (Hammerhead sharks)
Family Urolophidae (Round stingrays)
Aetobatus narinari (Spotted eagle ray)
Dasyatis americana (Southern stingray)
Urolophus jamaicensis (Yellow stingray)
Manta birostris (Manta)
Sphyrna lewini (Scalloped hammerhead)
Ginglymostoma cirratum (Nurse shark)
Negaprion brevirostris (Lemon shark)
Carcharhinus perezi (Reef shark)

Cartilaginous fishes (Class Chondrichthyes)