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Poromitra oscitans, the yawning, is a fish of the family Melamphaidae, found in tropical and subtropical waters of the indo-Pacific region. It grows to a length of 8.2cm SL, and lives at a depth of 643-5320m.
Almost all vertebrate animals, including mammals, birds, reptiles, amphibians, and even fish, experience yawning. The study of yawning is called chasmology. [5] [6] [7] Yawning (oscitation) most often occurs in adults immediately before and after sleep, during tedious activities and as a result of its contagious quality. [8]
Osteichthyes (bone-fish) or bony fishes are a taxonomic group of fish that have bone, as opposed to cartilaginous skeletons. The vast majority of fish are osteichthyans, which is an extremely diverse and abundant group consisting of 45 orders, with over 435 families and 28,000 species. [21] It is the largest class of vertebrates in existence today.
Yawning is also phylogenetically preserved, meaning it occurs in many different animal species including mammals, birds, reptiles, amphibians, and fish, Epstein adds. Why do I yawn when I’m bored?
In a new study, researchers from the University of Nottingham looked at the brain to determine what makes yawning contagious. The BBC reports it happens in the part of the brain that controls ...
The fish is able to both expand its head and extend its mouth forward, thus expanding the head and giving it a more elongated shape more often seen in large fish. The fish employs this behavior periodically when not feeding, as though yawning. [1] The fish's face is relatively flat. The camouflage allows it to blend in with its surroundings.
The post Here’s Why Yawning Is Contagious appeared first on Reader's Digest. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...
The branchial system is typically used for respiration and/or feeding. Many fish have modified posterior gill arches into pharyngeal jaws, often equipped with specialized pharyngeal teeth for handling particular prey items (long, sharp teeth in carnivorous moray eels compared to broad, crushing teeth in durophagous black carp).