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SKIPJACK TUNA [ Katsuwonus Pelamis ] YELLOWFIN TUNA [ Thunnus Albacares ] SCALLOPED HAMMERHEAD [ Sphyma Lewini ] SHORTFIN MAKO [ Isurus Oxyrinchus ]
n Belly features 4-6 prominent dark stripes n Second dorsal fin and anal fins bright yellow n Front edge of hammer is slightly rounded n Incredibly fast swimmers with superior lateral movements
n Dark purplish-blue, silver lower sides and belly n Finlets lemon-yellow with narrow black margins n Primarily lives in warm temperate and tropical coastal waters n In average full-grown length of 6 to 8 feet
n Pectoral and pelvic fins very short and broad n Dark blue above, silvery-gray sides and belly n Pectoral fin has dark tip on underside n Weigh up to 1750 lbs
n Finlets dusky n More slender than bluefin or bigeye tunas n Often seen during the day in big schools n Bluish black and white underside
n Feeds primarily on fish such as sardines, mackerel, and herring n Sleek spindle shaped shark with a long conical snout

BLUE SHARK [ Prionace Glauca ] DUSKY SHARK [ Carcharhinus Obscurus ] SMOOTH HAMMERHEAD [ Sphyrna Zygaena ] SPINNER SHARK [ Caracharhinus Brevipinna ]
n Generally lethargic, they are capable of moving very quickly as needed n Long streamlined body that is brown or gray above and white below n Head resembles more of an ax rather than the classic hammer n Slender shark with a long, narrow, pointed snout, long gill slits
n Top of the body is deep blue, lighter on the sides, and the underside is white n First dorsal fin originates over or near the free rear tips n Steeply ascending first dorsal fin which tapers into a sickle form at the back and small, narrow-cusped teeth
n Pointed snout and extra-long dorsal fins of the pectoral fins n Primary color on the top is olive green or dark gray-brown n Coloration is grey above, white below, with a conspicuous
n Typical weight is 300 lbs to 400 lbs n There is a low ridge between the dorsal fins and white underneath white band on its sides
n Prefer cooler waters n On the side of the body a stripe can be seen from the n Prefer waters relatively close to shore n Black-tipped fins
pelvic fins to the head n Teeth are similar in both the upper and lower jaws, are n Capable of vertical spinning leaps out of the water
n Average size is about 8 ft total length and 400 lbs triangular and smooth edged as a feeding technique

GREAT WHITE SHARK [ Charcharodon Carcharias ] NURSE SHARK [ Ginglymostoma Cirratum ] THRESHER SHARK [ Alopias Vulpinus ] TIGER SHARK [ Galeocerdo Cuvieri ]
n Common indoor bottom-dwelling shark n Large, thresher-like tail or caudal fins n Size averages 11ft. to 14 ft. and weighs 850 to 2000 lbs
n Found in coastal surface waters in all major oceans
n Underslung mouth and barbells at the nostrils n Tail is used as a weapon to stun prey n Dark stripes down its body, which fade as the shark matures
n Reaching lengths of more than 20 ft and weighing up to 5,000 lbs
n Light yellowish-brown to dark brown, with or without small dark spots n Small dorsal fin and large, recurved pectoral fins n Skin can typically range from a blue to green hue to light with
n Shape is much like the Mako
n Non-migratory-adapts to cold by becoming even less active n Color ranges from brownish, bluish or purplish gray a white or light yellow underbelly
n Robust large conical-shaped snout
dorsally with lighter shades ventrally n The second largest predatory shark other than the great white
n Almost the same size upper and lower lobes on the tail fin
n May live for 20 years or more n Head is somewhat wedge-shaped
n White underside and a grey dorsal area.
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