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The smooth hammerhead (Sphyrna zygaena) is a species of hammerhead shark, and part of the family Sphyrnidae.This species is named "smooth hammerhead" because of the distinctive shape of the head, which is flattened and laterally extended into a hammer shape (called the "cephalofoil"), without an indentation in the middle of the front margin (hence "smooth").
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 December 2024. Family of sharks Hammerhead sharks Temporal range: Early Miocene – recent PreꞒ Ꞓ O S D C P T J K Pg N Scalloped hammerhead Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Order: Carcharhiniformes ...
The smooth hammerhead shark is generally found in the shallow waters of bays, ... The majority of these attacks have occurred off the coast of Florida, California, and Australia.
The second-largest hammerhead shark, the smooth hammerhead can measure up to 5 m (16 ft) long. It is an active predator that takes a wide variety of bony fishes and invertebrates, with larger individuals also feeding on sharks and rays. As in the rest of its family, this shark is viviparous and gives birth to litters of 20–40 pups.
The smooth hammerhead is one of nine known species of hammerhead shark. It is considered "vulnerable" on the International Union for Conservation of Nature's list of threatened species.
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Great hammerhead embryos are connected to their mother by a placenta during gestation. As with other hammerhead sharks, great hammerheads are viviparous; once the developing young use up their supply of yolk, the yolk sac is transformed into a structure analogous to a mammalian placenta. Unlike most other sharks, which mate on or near the sea ...
Carolina hammerhead: Sphyrna gilberti? western Atlantic Ocean Scoophead: Sphyrna media: DD California and northern South American coast Smalleye hammerhead: Sphyrna tudes: VU eastern South American coast Smooth hammerhead: Sphyrna zygaena: VU worldwide subtropical coasts, southern South America, Australia and New Zealand coast Whitefin ...