Tooth Morphology & Glossary Common questions about modern and fossil shark teeth
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Friends, beer and . . . butterflies? Is this how we do conservation now? Our scientists have worked hard to identify and study species at risk of extinction for decades, but they know it takes a village to pull them back from the brink. So, they got creative with beer and butterflies. Way bac
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Clarias batrachus This long, dark fish has lung-like organs and a high tolerance to harsh living conditions, and it can leave the water to walk/wiggle to a better location as long as it stays moist. Although it is native to Southeast Asia, it has successfully invaded other areas with the help of
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Lamna nasus This shark closely resembles the white and salmon sharks, but it is easy to identify the white or light gray free rear tip of its dorsal fin. It has the classic mackerel shark appearance, from its conical snout to its crescent caudal (tail) fin, and the dark grey coloring over its bod
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Alopias pelagicus These sharks are easily recognized for their long upper caudal fin lobes (the top half of their tail fin), which they use to stun smaller fish and squid, making them easier to catch. They are not considered a danger to humans. Historically, they were prized for their large l
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Selected EA Publications Reprints of published material are available on request to the individual authors. A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z A Arnold, W. S., T. M. Bert, I. R. Quitmyer and D. S. Jones (1997) Contemporaneous Dep
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Coryphaena hippurus The dolphinfish is also often called mahi-mahi, and not at all related to the marine mammal dolphins. This colorful, distinct fish has a long body and a blunt face, with a forked caudal fin (tail), and a dorsal fin that runs the length of its body. It is brightly colored, most
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Isurus oxyrinchus The shortfin mako is considered the fastest shark in the world, able to reach burst swimming speeds of up to 43 mph (70 km h-1) (Diez et al. 2015). This classically shaped shark is hydrodynamically efficient with a pointed snout, triangular dorsal fin and large and a crescen
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Squalus acanthias This long, slender dogfish has a pointed snout, large eyes, and spines in front of its two dorsal fins. It is a brownish slate color, fading to a pale underbelly, with rows of white spots down its upper body that fade with age. These migratory, schooling sharks spend winters in
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albacares This is a large torpedo-shaped fish, with a round body that is metallic blue-green
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