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Although they have ears, many fish may not hear very well. Most fish have sensitive receptors that form the lateral line system, which detects gentle currents and vibrations, and senses the motion of nearby fish and prey. [1] Sharks can sense frequencies in the range of 25 to 50 Hz through their lateral line. [2]
English: A diagram showing a newborn, an average-sized adult, and large adult basking shark (Cetorhinus maximus). • The maturity and growth of the basking shark are poorly understood. [1] [2] • Newborn basking sharks are around 1.5 to 1.7 meters (4.9 to 5.6 ft) in length (1.5 m shown in the diagram above). [1] [3]
Other common names include bone shark, elephant shark, sailfish, and sunfish. The basking shark is a cosmopolitan migratory species found in all the world's temperate oceans. A slow-moving filter feeder , its common name derives from its habit of feeding at the surface, appearing to be basking in the warmer water there.
The five senses that blue sharks share with other members of the Carcharhinidae family is vision, hearing, lateral line, chemoreception, and electroreception. These senses allow them to perceive and react to a variety of biotic and/or abiotic stimuli in their immediate environment and across a different range of spatial scales.
Get excited for the 35th official Shark Week, from July 23 to July 29, with these shark facts. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the division Selachii [1] (or Selachimorpha) [2] and are the sister group to the Batoidea (rays and kin).
These baby sharks huddle together and swim toward warmer water until they are old and large enough to survive on their own. [19] In 2007, the bonnethead shark was found to be capable of asexual reproduction via automictic parthenogenesis, in which a female's ovum fuses with a polar body to form a zygote without the need for a male. This was the ...
Sharks are much more sensitive to electric fields than electroreceptive freshwater fish, and indeed than any other animal, with a threshold of sensitivity as low as 5 nV/cm. The collagen jelly, a hydrogel , that fills the ampullae canals has one of the highest proton conductivity capabilities of any biological material.