swim bladder


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swim bladder

n.
A gas-filled structure in many fishes that functions to maintain buoyancy and, in some species, to aid in respiration or to produce sound. Also called air bladder, gas bladder.

swim bladder

n
(Zoology) ichthyol another name for air bladder1

air′ blad`der


n.
1. a vesicle or sac containing air.
2. an air-filled sac at the top of the body cavity in bony fishes, serving in most to regulate hydrostatic pressure. Also called swim bladder.
[1725–35]

swim bladder

(swĭm)
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.swim bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancyswim bladder - an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
sac - a structure resembling a bag in an animal
Translations

swim bladder

nSchwimmblase f

swim bladder

n (Zool) → vescica natatoria
References in periodicals archive ?
The totoaba's swim bladder is considered a delicacy in China and can fetch up to $20,000 on the black market.
Many goldfish suffer from Swim Bladder Disease that prevents them from staying afloat.
According to SoftSchools.com, catfish are able to produce and detect sound due to a bony structure that connects their swim bladder and auditory system.
Swimming on his side may be linked to a skin problem, or could be due to an issue with his swim bladder. This is an air-filled sac which inflates and deflates to aid buoyancy.
Sadly, that is part of a trail of blood spattered across the planet, taking the shape of Chinese characters for trinkets and various "traditional medicines" that spell out ivory, rhino horn, jaguar fangs, swim bladder, shark's fin and a host of other ghastly products.
It has no swim bladder to stabilise it in the water column, unusual among fish.
Surface action is mainly to gulp air for swim bladder adjustment - these fish won't look at anything.
These types of fish can carry out lung respiration (Moraes et al., 2005), skin respiration (Mittal and Munshi, 1971; Park et al., 2006), swim bladder respiration (Graham, 2011), air bladder respiration (Hughes et al., 1974); supra-branchial organ respiration (Hakim et al., 1978; Baloch and Jafri, 2004) or digestive track respiration (Park and Kim, 2001; Podkowa and Goniakowska-Witalinska, 2002; Cruz et al., 2009).
A A calf's stomach B A sturgeon's swim bladder C Albumen (egg white) D A sheep's gall bladder QUESTION 15 - for 15 points: Bizet's opera The Pearl Fishers is set on which island?
Darwin (1859) accepted the hypothesis that during metamorphosis the Pleuronectiformes symmetrical larvae could not long retain a vertical position because of the excessive depth of their bodies and the loss of the swim bladder.