this is "nightline" -- >> tonight, lunchtime lift. talk about a quick fix. you walk in like this. 25 minutes and $2,500 later, you come out looking like this. it only lasts 24 hours. but some consequences could be permanent. why women are opting for a short-term confidence boost. and what doctors say about the risk. race against time. right now, there's a catastrophic water shortage throughout the country. >> it's only water. nowhere is it worse than here, in california. we're going to the mission for one species threatened by this drought. can anything be done? or is site too late? but first, the "nightline five."

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the effects wear off after just one day. and yet, a lot of women are lining up for this expensive quick fix, even though not all doctors are onboard. here's abc's linzie janis. >> reporter: for five years, caylee goodwin has been dreaming of going bigger. >> this is what i look like in this dress, without the procedure. >> reporter: but was scared of the commitment. not anymore. >> hi, caylee. good seeing you again. >> reporter: introducing the 24-hour boob job. >> it's my anniversary. i got this really great dress. and i'm kind of hoping that it will be a bigger night than most. >> reporter: the 27-year-old is part of the latest trend in cosmetic surgery. not an extreme makeover. but a fast and fleeting fix. she is ditching the push-up bra in favorite of a new procedure that takes 20 minutes and lasts about 24 hours before the breasts deflate to their original shape. >> it's for someone who has a

nice shape to their breasts. but they just want to be a little more full with cleavage. >> reporter: starting at $2,500, the price increasing by cup size. norman rowe, a manhattan plastic surgery is one of the only doctors in america to inject a saline solution into patients' breasts to give them instant fullness and lift. >> i can give a patient a cup, cup and a half bigger. >> reporter: amanda sanders, a celebrity image consultant, has had the procedure twice. >> i wish i could do it every day. once i did it for an event. and the second time was for a vacation. >> reporter: could the person you within on vacation with, could he tell they were deflating? >> at the end, it really didn't matter. >> reporter: the 24-hour boob job is not without controversy. or risk. >> anytime you make a break in the skin, with a needle or a scalpel, there are risk of infriction. >> reporter: dr. rowe admits while there's some risk of

inflecti inflectii infection, the only thing he's seen is minor bruising. then, there's the cost. if you break it down, it comes to about $100 an hour. the average, more permanent breast lift was roughly $4,200. but price isn't an issue for caylee. 20 minutes later, she's ready for her night to remember. he's definitely going to notice? >> for sure. >> reporter: she's grateful for the extra boost of confidence. this is one of the many instant makeovers on the market, helping to make plastic surgery a $12.6 billion a year industry in the u.s. now, you can even make inches disappear during your lunch. >> this is your fat. >> yes. >> okay. all this. and we're going to make your arm, today, look like that. >> reporter: blanca ramirez is about to get liposuction on her

lunch break. in 45 minutes, this doctor promises to give her brand-new, skinny arms. she says it's a trouble spot that's plagued her since childhood. >> i feel like my arms don't slim down. >> better in the bucket than in the body. that's what i tell people. >> reporter: her surgeon, aaron rollins, founder of elite body structure, is the self-proclaimed body doctor to the stars. he says come award seasons, celebs flock to his office when they need fat removed fast. >> you can only fit the dress to the body so much. and you have to fit the body to the dress. >> reporter: he says business is booming. and his airbrush laser lypo technique is more advance than the crude procedure of fads past. >> when you get lipo, it looks like you got hit by a truck. >> reporter: it's so minimally invasive, that patients remain awake during the procedure. and often go back to work after

it's over. >> see that tricep that's going to be coming out there. >> reporter: blanca is one of dr. rollins' regulars. over the years, he sculpted her chin and carved fat away from her tummy, as she told "nightline" anchor, juju chang, last year. >> what did your friends say? >> they thought i lost weight. >> what did you tell them? >> well, yeah. >> reporter: after today's procedure, blanca says she will finally be satisfied. >> i tell people this is about 90% art and 10% medicine. >> reporter: blanca's own makeover is about to begin. but first, a little laughing gas to take the edge off. are you nervous at all? >> just waiting for it to be over. >> reporter: he injects plenty of numbing fluid into her arms. >> we're going to get through this, blanca. >> reporter: and finally breaks out the fat-melting laser. >> here we go. this is moving over 1,000-times a minute. do you feel anything, blanca? >> just like a vibration. >> you're looking at it come out.

what do you think? >> i'm feeling it disappear. >> as you pinch, your pinch gets smaller and smaller. >> that's crazy. >> reporter: and he says instant fat removal, has a lasting, emotional benefit. >> how long did your arms bother you? a few years? >> since junior high. >> and suddenly, your arms are beautiful and skinny. it's very encouraging. and you want to go to gym, even though you're tire affidavit work, because you're excited about your results and you want more. >> reporter: we know how easy it all looks. but is lunchtime lipo really safe? >> there's no such thing of doing anything to the body without risk. especially making permanent change like this. >> reporter: dr. rollins claims the risk of infection or complications using his method are roughly equivalent to getting a tooth pulled. but critics warn if used improperly, laser-assisted lipo can carry a high risk of deformity. >> a vast majority of complications happened with

older techniques, under general anesthesia, which has its own risk factors and complications. that sound you're hearing -- >> that was my next question. >> is the sound of empty arm. >> reporter: it's been about 45 minutes. dr. rollins has removed about a soda can worth of fat. but this quick fix doesn't come cheap. he usually charges between $3,000 and $10,000, depending on the procedure. >> you look great. why did you do it? >> i don't know. he always -- i guess you're never happy. i don't know. >> does that mean you're never going to be happy? >> no. now, i have my skinny arms. >> now, you're done. >> now, i'm done. now, i'm just hitting the gym and sticking to my diet. >> reporter: after a few minutes recovering, just as advertised, blanca is at her desk at a nearby doctor's office. >> how do you feel? >> reporter: and a few weeks after surgery, she seems pleased with her recovery. and her new arms. ♪

as for caylee back in new york, she says her temporarily-enlarged breasts were a success. >> he noticed right away. we had a great time. he got to touch them, see what they were like. >> reporter: she is still considering permanent breast implants. but first, just to be sure, another 24-hour boob job with dr. rowe. >> if i'm going to spend all of the money to have an actual surgery, to me, what's another $2,500 to make myself feel 100% confident with my decision? >> reporter: for "nightline," i'm linzie janis, in new york. next, we take you inside an unprecedented fish rescue mission. california officials race to save an entire species from california officials race to save an entire species from doom. online? fill your viagra preson go to viagra.com to find out about viagra home delivery. millions of men have some degree of erectile dysfunction. talk to your doctor, if viagra is right for you, you can fill your prescription at your pharmacy,

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tonight, as we head into the waning days of summer, a record-setting drought, one that's cost california's economy alone more than $2 billion, is wreaking havoc on humans and wildlife alike. we're taking you to the front lines of an epic struggle to save one already-threatened species before it's too late. it's just past dawn on this dusty patch of land in the farthest reaches of northern california. this team from the department of fish and wildlife, is in a race against time. we're wading into this murky corner of a creek on an unprecedented fish rescue mission. the fish got trapped in here. >> they got trapped because the water drops out. >> reporter: the problem, a drought of epic proportions. so bad in some areas, there's no

running water. 63 trillion gallons of water has disappeared. this was the landscape three years ago. this is now. >> in a dourought year like thi fish are going to die. we can't have thousands of dead fish washed up on the streams. we just can't. >> reporter: their they're on the hunt for the fabled koho salmon. they're supposed to return to their birth spot to spawn. there wasn't enough water for the parents to get all the way back. the babies were born in the wrong spot. >> the fish is only tolerate so much temperature and so much low water. >> reporter: they're hoping to avoid the worst-case scenario, the type of fish kill that oc r occurred in 2002, when rising water temperatures left fish vulnerable to the disease. what's the goal today? >> 500 to 2,000 maybe grow up.

>> reporter: they can grow up to be more than two feet, the baby salmon they're looking for are tiny, just two or three inches long. in their first netting, they get plenty of fish. but no koho. >> that's a sucker. >> can you hold that up there? >> reporter: they switch locations. you rattling them out? >> trying. >> reporter: then, success. >> there we go. >> reporter: that's one? finding them is the easy part. now, they have to sort them and calibrate every detail of their transport, so they survive, what from their vantage point is a harrowing journey to a new home. he's shocked? not every fish will make it. some try to escape. so far, they've only netted a few dozen fish. a drop in the bucket. >> one, two, three. oh. >> one's up top. >> reporter: it's a remarkable sight. scores of healthy babies that

may represent the future of the species in this area. these salmon are already on the threatened list. you can't fish or eat them. for jake, one of the rescuers, that's just as well. you like fish? >> no, i don't. >> reporter: you don't eat fish? >> i don't eat fish. >> reporter: why not? >> i don't eat wish. >> reporter: is that a philosophical moral thing? >> no. it's only fish. >> reporter: to improve their chances of survival, the rescue team has to mimic the river's conditions for the short ride to their new home. >> we're going to put them in this tank. there's oxygen going into this tank. i just turn it on. >> reporter: 500 salmon are pound for a hatchery an hour away. they'll ride out the drought in fish tanks. but they're already showing signs of distress. they freak out. >> they need oxygen. >> reporter: the remaining fish will be moved to other areas of the river with better conditions, where they're more likely to survive in the wild. this is like a little fish

m.a.s.h. unit. but first, the fish biologists have to tag them so they can be tracked. >> we're going to make a small incision on the left side of the fish. >> reporter: first, you have to knock them out. >> we have to knock them out with alka-seltzer gold. they kind of go to sleep for a little bit. >> reporter: time to go sideways. >> that's a good sign. >> reporter: they are getting sleepy. then, the tiny fish head to the miniature operating table. >> we measure him. he's going to be 59 millimeters. we take the tag and slide it into the incision. >> reporter: how rewarding it is it? >> it's very rewarding. to have a job where you know you're making a difference. and in the long-term, can keep this population alive. >> that's about all she's going to need. >> reporter: the salmon rescue operation involves many different players. including local landowners, many

of the threatened fish have ended up on their property. where we're walking is normally underwater. >> yes. >> reporter: what does it tell you about the shape of the river? >> this river is in the worst condition that it's been in, at least in 30 years. >> reporter: preston harris is a local farmer who works with the scott river water trust, which manages the region's precious little water. the drought has cost the agriculture industry an estimated $1.5 billion. >> you have a threatened species on your properties. >> reporter: but you have crops you have to grow. >> crops you have to grow. >> reporter: the farmers have agreed not to divert water from the river for their crops to help save the fish's habitat. this is noah's ark. >> this gives us a fallback safe haven for the fish. >> reporter: the fish at the hatchery end up here, at an enormous fish incubator. >> it has a filter to fish out the waste. >> reporter: it's a very fancy fish tank. >> yes, it is. yes, it is.

>> reporter: the team, still out on the water, nets another 1,000 fish. these fish, too, get a lift. >> water's cooler. and there's a lot of cover for them here. >> reporter: in most years, the fish would have gotten here on their own? >> yes. >> reporter: but this year, you're having to truck them. >> right. >> reporter: their new home is a shady grove with plenty of cover. so, what are we about to see here? this is like the final push, right? >> yeah. this is tend of it. this is where we're going to release them. >> reporter: they scatter quickly. so far this summer, the team has found a new home for more than 100,000 fish. what goes through your mind? what do you think when you see that? >> it's a good feeling. i wish we didn't have to do it. but given the conditions, with the drought and the salmon numbers, we have to. >> you feel like you did a good thing. you helped them out. >> reporter: although they're safe for now, there's no guarantees that the drought won't hit them here, too.

our thanks to the men and women at california fish and wildlife for the unprecedented access. we'll be right back.

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and save 50 percent off skullcandy headphones. or get a 20-dollar gift card with air raid speaker purchase. tonight, alarming news that the u.k. has raised the terror threat to severe, the highest level in months. while conflict with isis in

syria escalates and the brutal body count begins to rise, a stunning, new number from the giants. more than half of syria's population, many of them children, on the run. more than 3 million people have fled the country. and our cameras are right there. david muir and our team on the syrian border, where children don't board school buss. they board pickup trucks like these, to work in the fields, supporting their families. at 8, 9 or 10 years old. they come from middle-class families. their parents, once teachers, lawyers. now, they are the ones supporting their parents. we'll have more of david's reporting and the sliver of hope he discovered, next week on "world news" with david muir. tune in for david's full report on tuesday. thanks for watching abc news. tune into "good morning america" tomorrow. as always, we're online at abcnews.com. and before we leave you tonight, for the labor day weekend, we want to welcome david officially to the anchor chair of "world

news" tonight, as diane sawyer passes the torch from one dedicated, hard-working reporter, to another. >> reporting from joplin, missouri. moore, oklahoma. >> home after home obliterated. >> hurricane katrina. revolution in egypt. earthquake in haiti. tsunami in japan. >> you can hear the gunfire just around this wall. >> the stories from every corner of the planet. every inch of america, because he knows there's so much at stake. when american jobs are on the line, he leads the charge. >> back on the job. >> back on the job. >> made in america. >> he's been right there. >> our first report is from abc's david muir. >> david muir, near the front lines.

>> abc's david muir leads our coverage once again tonight with that exclusive. david? connecting us to each other. and the events in our world that matter most. changing lives for the better. >> welcome home. >> thank you. how are you? >> this is the strength of abc news. and the tradition continues. this is david muir. >> abc's "world news tonight" with david muir.