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Pit spawning, also referred to as substrate breeding, is a behavior in cichlid fish in which a fish builds a pit in the sand or ground, where a pair court and consequently spawn. [67] Many different factors go into this behavior of pit spawning, including female choice of the male and pit size, as well as the male defense of the pits once they ...
Their croaking mechanism involves the beating of abdominal muscles against the swim bladder. [13] Sciaenids are found worldwide, in both fresh and salt water, and are typically benthic carnivores, feeding on invertebrates and smaller fish. They are small to medium-sized, bottom-dwelling fishes living primarily in estuaries, bays, and muddy ...
Move over, Wordle, Connections and Mini Crossword—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity ...
Red muscles are used for sustained activity such as cruising at slow speeds on ocean migrations. White muscles are used for bursts of activity, such as jumping or sudden bursts of speed for catching prey. [45] Mostly fish have white muscles, but the muscles of some fishes, such as scombroids and salmonids, range from pink to
The abdominal wall is made up of several layers of muscles, which are collectively known as the abdominal muscles. These muscles support the spine, protect the internal organs, and help with movement. The five main abdominal muscles are: Rectus abdominis muscle; External obliques muscle; Internal obliques muscle; Pyramidalis muscle
The name "anglerfish" derives from the species' characteristic method of predation. Anglerfish typically have at least one long filament sprouting from the middle of their heads, termed the illicium. The illicium is the detached and modified first three spines of the anterior dorsal fin .
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Perch is a common name for freshwater fish from the genus Perca, which belongs to the family Percidae of the large order Perciformes.The name comes from Greek: πέρκη, romanized: perke, meaning the type species of this genus, the European perch (P. fluviatilis).