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 (or Selachii) and are the sister group to the Batoidea (rays and kin). Some … Visa mer Until the 16th century, sharks were known to mariners as "sea dogs". This is still evidential in several species termed "dogfish," or the porbeagle. The etymology of the word shark is uncertain, the most … Visa mer Teeth Shark teeth are embedded in the gums rather than directly affixed to the jaw, and are constantly replaced throughout life. Multiple rows of replacement teeth grow in a groove on the inside of the jaw and steadily move … Visa mer Smell Sharks have keen olfactory senses, located in the short duct (which is not fused, unlike bony fish) between the anterior and posterior nasal … Visa mer Shark lifespans vary by species. Most live 20 to 30 years. The spiny dogfish has one of the longest lifespans at more than 100 years. Whale sharks (Rhincodon typus) may also live over 100 years. Earlier estimates suggested the Greenland shark (Somniosus microcephalus) … Visa mer Fossil record The oldest total-group chondrichthyans, known as acanthodians or "spiny sharks", appeared during the … Visa mer Buoyancy Unlike bony fish, sharks do not have gas-filled swim bladders for buoyancy. Instead, sharks rely on a large liver filled with oil that contains squalene, and their cartilage, which is about half the normal density of bone. Their liver … Visa mer The classic view describes a solitary hunter, ranging the oceans in search of food. However, this applies to only a few species. Most live far more social, sedentary, benthic lives, and appear likely to have their own distinct personalities. Even solitary sharks … Visa mer Webb23 nov. 2024 · mud shark (plural mud sharks) (derogatory, offensive, ethnic slur) A non-black person, usually a white woman, who has sexual relationships with black people, usually men. 2008, Rachel Kushner, Telex from Cuba (page 26) The courtships were called off. The guys all joked about it afterward, said Mr. Bloussé was a nigger-lover and a mud …

Shark Definition & Meaning Dictionary.com

Webb4 jan. 2024 · Ailana. A name as beautiful as it sounds, Ailana is of Finnish origin and refers to the ‘moonlight.’. Related: 100 Common Finnish Surnames Or Last Names With Meanings. 2. Ai’la’ausd. It is a religious Hawaiian last name that means ‘Fire God.’. 3. Aka. This name can mean ‘affectionate,’ or ‘noble.’. Webb17 mars 2024 · But there is a gender-neutral name that means “Indigenous Australian” that might fit the bill: Bili. If that’s not taking your fancy, we have over 400 other Australian baby names for you to peruse, so you can see which ones are most suitable for your little peanut and your family. high energy density foods

List of Shark Species and Facts - ThoughtCo

Webb15 apr. 2024 · This name is apt for a shark because one could argue that since a Great White Shark is a great predator, it is the king of the sea. Male Shark Names It’s common … Webbshark noun [C] (FISH) B1. a large fish that has sharp teeth and a pointed fin on its back: a great white shark. a basking shark. The movie "Jaws" is about a man-eating shark. … WebbName meaning: Hoshigaki=Dried persimmon, Kisame=Ogre/Demon Shark Hyuuga Hanabi Name meaning: Hyuuga=Towards the sun, Hanabi=Fireworks Hyuuga Hiashi Name meaning: Hyuuga=Towards the sun, Hiashi=Daytime or spreading of a fire ... Name Meaning: Kaguya=Furniture Store, A name; Kimi=you, governing person maro=You, one … how fast is the fastest human swimmer