How to use sciaenids in a sentence? Find typical usage patterns (collocations)/phrases/context for "sciaenids" and check conjugation/comparative form for "sciaenids". Mastering all the usages of "sciaenids" from sentence examples published by news publications.
A notable trait of sciaenids is the ability to produce a "croaking" sound. However the pitch and use of croaking varies species to species. The croaking ability is a distinguishing characteristic of sciaenids. The croaking mechanism is used by males as a mating call in some species.
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Trypanorhyncha is an order of cestodes, a type of flatworm. Some species infect gamefish, such as sciaenids, during the parasitic worm's plerocercoid stage, and are commonly called spaghetti worm because of their appearance, approximating cooked spaghetti. Such species include Poecilancistrium caryophyllum and Pseudogrillotia pleistacantha.
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The mouth is set low and is usually inferior. Their croaking mechanism involves the beating of abdominal muscles against the swim bladder. 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 river banks.
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To produce the croaking sound, special muscles vibrate against the swim bladder. These muscles are called sonic muscle fibres, and run horizontally along the fish's body on both sides around the swim bladder, connected to a central tendon that surrounds the swim bladder ventrally. These sonic muscle fibres are repeatedly contracted against the swim bladder to produce the croaking sound that gives drum and croaker their common name, effectively using the swim bladder as a resonating chamber. The sciaenids' large swim bladder is more expansive and branched than other species, which aids in the croaking.
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They are excellent food and sport fish, and are commonly caught by surf and pier fishers. Some are important commercial fishery species, notably small yellow croaker with reported landings of 218,000–407,000 tonnes in 2000–2009; according to FAO fishery statistics, it was the 25th most important fishery species worldwide. However, a large proportion of the catch is not reported at species level; in the FAO fishery statistics, the category "Croakers, drums, not elsewhere included", is the largest one within sciaenids, with annual landings of 431,000–780,000 tonnes in 2000–2009, most of which were reported from the western Indian Ocean (FAO fishing area 51) and northwest Pacific (FAO fishing area 61).
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