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The whale shark is a filter feeder – one of only three known filter-feeding shark species (along with the basking shark and the megamouth shark). It feeds on plankton including copepods, krill, fish eggs, Christmas Island red crab larvae [62] and small nektonic life, such as small squid or fish.
Orca gladiator (Bonnaterre, 1789) The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable its black-and-white patterned body.
Rhincodontidae. J. P. Müller and Henle, 1839. Genera. Rhincodon. † Palaeorhincodon. Rhincodontidae is a shark family which includes the whale shark, the sole extant member and the largest living fish. A single extinct genus, Palaeorhincodon, is known from the Paleocene as well.
They were soon gnawing and ripping at the whale as it drifted beside the boat. “That is a big shark,” one crew member said as he watched. Company owner Craig Marcum identified the feasting ...
Diet and nutrition. Sharks are very frequently overfed by amateur aquarists, which can lead to obesity or unnaturally fast growth rates. [7] Captive sharks are healthiest when fed at levels similar to their food intake in the wild. [7] Usually this amounts to 1-3% of their body weight weekly. [7] However, aquarium conditions and species ...
Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.
Shark. † Synechodontiformes. Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha[1] (or Selachii) and are the sister group to the Batoidea (rays and kin).
A planktivore is an aquatic organism that feeds on planktonic food, including zooplankton and phytoplankton. [1] [2] Planktivorous organisms encompass a range of some of the planet's smallest to largest multicellular animals in both the present day and in the past billion years; basking sharks and copepods are just two examples of giant and microscopic organisms that feed upon plankton.