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Sphyrna alleni, the shovelbill shark, is a species of hammerhead shark found along the West Atlantic coast from Belize to Brazil. Its pointed cephalofoil distinguishes it from the more northern bonnethead shark (Sphyrna tiburo), from which it was split in 2024. The species is also diagnosed by different tooth and precaudal vertebrae counts.
The basking shark is the only extant member of the family Cetorhinidae, part of the mackerel shark order Lamniformes. Johan Ernst Gunnerus first described the species as Cetorhinus maximus, from a specimen found in Norway, naming it. The genus name Cetorhinus comes from the Greek ketos, meaning "marine monster" or "whale", and rhinos, meaning ...
The bonnethead (Sphyrna tiburo), also called a bonnet shark or shovelhead, [3] is a small member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae.It is an abundant species in the littoral zone of the North Atlantic and the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be ...
This bottom-dwelling shark is most common over sandy or rocky bottoms. It is found in progressively deeper water towards the northeastern portion of its range, from 0–15 m (0–49 ft) off Cape Town to 40–130 m (130–430 ft) off KwaZulu-Natal; this distribution pattern may reflect this shark's preference for cooler waters. [6]
The Atlantic sharpnose shark is a small shark in comparison to others. The Atlantic sharpnose shark's maximum species length is known to be about 110–120 cm (3.6–3.9 ft). Although its average adult size tends to be about 91.4–99 cm (3.00–3.25 ft). Reports exist of these sharks living up to 19 years in the wild. [2]
The speartooth shark has a streamlined, rather robust body with a short, wide head. The snout is flattened, with large nostrils divided into incurrent and excurrent openings by large, triangular flaps of skin. The eyes are small and equipped with nictitating membranes (protective third eyelids). The sizable, arched mouth has very short furrows ...
As far as real-life Fonz, Henry Winkler, is concerned, his "jump the shark" moment will never jump the shark. If anything, the beloved actor has doubled down on being the face of jumping the shark ...
The average spinner shark is 2 m (6.6 ft) long and weighs 56 kg (123 lb); this species attains a maximum known length and weight of 3 m (9.8 ft) and 90 kg (200 lb). Indo-Pacific sharks are generally larger than those from the northwest Atlantic. [3] This species has a slim, streamlined body with a distinctive, long, pointed snout.