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The lateral line, also called the lateral line organ (LLO), is a system of sensory organs found in fish, used to detect movement, vibration, and pressure gradients in the surrounding water. The sensory ability is achieved via modified epithelial cells , known as hair cells , which respond to displacement caused by motion and transduce these ...
The lateral line in fish and aquatic forms of amphibians is a detection system of water currents, consisting mostly of vortices. The lateral line is also sensitive to low-frequency vibrations. It is used primarily for navigation, hunting, and schooling. The mechanoreceptors are hair cells, the same mechanoreceptors for vestibular sense and hearing.
The lateral line is clearly visible as a line of receptors running along the side of this Atlantic cod. The lateral line is a sense organ used to detect movement and vibration in the surrounding water. For example, fish can use their lateral line system to follow the vortices produced by fleeing prey. In most species, it consists of a line of ...
Additionally, there are differences in the lateral line system among different types of hagfish. Instead of having a simple form of a lateral system like the hagfish Eptatretus, an adult Myxine glutinosa has no lateral line system. [10] Scientists often compare Hagfish and lampreys because both are referred to as jawless fish (agnathans).
Ampullae of Lorenzini are physically associated with and evolved from the mechanosensory lateral line organs of early vertebrates.Passive electroreception using ampullae is an ancestral trait in the vertebrates, meaning that it was present in their last common ancestor. [7]
Ampullae of Lorenzini are a network of small jelly filled pores called electroreceptors which help the fish sense electric fields in water. This aids in finding prey, navigation, and sensing temperature. The lateral line system has modified epithelial cells located externally which sense motion, vibration, and pressure in the water around them ...
The fish lateral line consists of thousands of hair cells. [3] In fish, a neuromast is a fine hair-like structure that uses transduction of rate coding to transmit the directionality of the signal. [4] Each neuromast has a direction of maximum sensitivity providing directionality. [5]
Lateral line – sense organ that detects movement and vibration in the surrounding water; Shark cartilage – material that a sharks' skeleton is composed of; Shark teeth; Spiracle – pumps water across gills; Clasper – the anatomical structure that male sharks use for mating; Fish anatomy – generic description of fish anatomy