physoclistous


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physoclistous

(ˌfaɪsəʊˈklɪstəs)
adj
(Zoology) (of fishes) having an air bladder that is not connected to the alimentary canal. Compare physostomous
[C19: from Greek phusa bladder + -clistous, from kleistos closed]
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Piapara Leporinus obtusidens is a large migratory physoclistous fish species that may be negatively impacted by dam construction in its natural habitats in South and Southeast Brazil (GLUSCZAK et al.
High discard mortality of physoclistous fishes caught in deep waters (depths >40 m), combined with intense gulf-wide recreational fishing effort (Coleman et al.
parasitize fish that are physostomous not physoclistous (walleye are physoclistous).
The effects of CAR fishing can be problematic particularly for marine species like red snapper that inhabit relatively deep water and possess a physoclistous gas bladder (i.
The opposite has been observed in physoclistous species due to barotrauma, because of organ damage caused by gas expansion in the body cavity during capture (e.
multidens from depths of 60 meters or greater results in a high mortality of fish because the physoclistous ruptures causing internal hemorrhaging and hence there is a low probability of survival of any fish returned to the sea.
Most rockfishes have physoclistous swim bladders that expand with the reduced pressure as these fish are brought to the surface.