CARTILAGINOUS FISH Meaning and
Definition
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Cartilaginous fish refers to a taxonomic group within the class Chondrichthyes, which is a diverse group of fish characterized by having a skeleton made entirely of cartilage instead of bone. This distinct feature sets them apart from other fish, known as bony fish, which have skeletons composed of bone.
Cartilaginous fish include species such as sharks, rays, and skates. They have a variety of adaptations that contribute to their success in marine environments. Their cartilaginous skeleton provides flexibility, allowing them to navigate and maneuver swiftly in water. This flexibility also contributes to their increased durability when compared to bony fish, making them well-suited for their predatory and scavenging lifestyles.
These fish have streamlined bodies, typically with a dorsal (upper) and ventral (lower) side. Most species have multiple rows of teeth, which are continuously replaced throughout their lives. This enables them to catch and consume a wide range of prey, from smaller fish to marine mammals.
Cartilaginous fish are predominantly carnivorous and play important roles in marine ecosystems as both top predators and scavengers. They have distinct physiological characteristics, including efficient sensory systems, such as electroreception and an excellent sense of smell, helping them locate prey over vast distances.
The reproductive biology of cartilaginous fish varies among species. Some are oviparous, laying eggs in external egg cases, while others are viviparous, giving birth to live young. This diverse reproductive strategy contributes to their ability to adapt to various ecological niches and ensures the successful continuation of their populations in different aquatic environments.
Common Misspellings for CARTILAGINOUS FISH
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Etymology of CARTILAGINOUS FISH
The word "cartilaginous" is derived from the Latin word "cartilago", which means "gristle" or "cartilage". It refers to a strong, flexible, and non-mineralized connective tissue found in the bodies of certain animals, including humans.
The term "fish" comes from the Old English word "fisc", which can be traced back to the Proto-Germanic word "fiskaz". It is believed to have originated from the Proto-Indo-European root "peisk", meaning "fish".
When combined, "cartilaginous fish" simply refers to a group of fish possessing a skeleton made of cartilage, rather than bone. Examples of cartilaginous fish include sharks, rays, and chimaeras.
Similar spelling words for CARTILAGINOUS FISH
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