Wednesday, January 16, 2008

The Unusual Dietary Preferences of Oceanic Whitetip Sharks - Nov. 1, 2007

We departed earlier than usual today because we were up at an ungodly hour. I went in to work at SeaPics.com for a while before going out. Surprisingly, my employee, Christine, was already in the office at 5.45 a.m. Yes folks, I have some seriously dedicated employees!

There weren't many trailers down at the marina, which is usually a sign that the fishing's subpar. No worries for us, because when the fishing's bad, we're taking photos. Likewise, when there's nothing to photograph, we're fishing, so we're always occupied.

We did our usual rounds of going out to the FADs (Fish Aggregation Devices), but there wasn't much happening. Masa put out all kinds of trolling lures, but we had no luck. Because we were out earlier than usual, we had a nice view of Mt. Hualalai, which is often clouded over a little later in the day. There were no whales or dolphins to photograph, so we took some scenic shots of the mountain.

For those of you who are unfamiliar with the Big Island, Hualalai (8,271 ft) is one of the 5 volcanoes that make up this island. It's not as well-known as Mauna Kea, the highest point in the Pacific, or Mauna Loa, the most massive mountain in the world, or the active vocano, Kilauea, all of which are also on the Big Island, but it's the dominant geographical feature of Kailua Kona, where we live. Hualalai is dormant, but will no doubt erupt again at some point in the future. It last erupted in 1801, and they say it erupts in a 200-year cycle, which means ... well, let's think about fishing.

We headed south, trolling for ono, also known as wahoo or Pacific kingfish. We traveled at high speed of about 8 to 12 knotts, which is best for ono fishing, and with all the right gear out. We found ourselves in a small parade of fishing boats doing the same thing: going out to the 150 to 250 ft. depth, called "Ono Lane", then following the drop-off in a southerly direction. We did this from about 7:30 to noon. There was no action on our lines, so were taking pictures of the nothing that surrounded us. The Kona coast doesn't have the dramatic cliffs of the Hamakua coast on the north side of the island, so pictures of this area aren't very marketable. We got some scenic photos that could make background shots for a magazine spread or pamphlet. We also got some shots of the waves crashing on the 20 ft volcanic rock cliffs when we passed by the tip of Kealakekua Bay.

Having gotten up so early on this beautiful, calm day, I was sleepy, so I slept on the floor for a while. Masa told me later that C buoy was as dead as it could be for fishing. When I woke up, he was driving the boat down to UU buoy, which is near Kona Paradise subdivision. Finally we saw some activity. There were about 5 fishing boats working at the buoy and many birds flying overhead.

We saw a small pod of pilot whales nearby, maybe 9 or 10, logging. As expected, there were some oceanic whitetips milling around with them. Masa wanted to get in the water for some photos. He entered the water quietly and found himself fairly close to the large bull pilot whale that was relaxing there. These bulls can be unpredictable, and Masa didn't want to get close enough to disturb it. They floated around in the water there together for about 10 minutes or so, just eyeing each other.

While Masa was attempting to photograph one of the oceanic whitetip sharks coming his way, he saw one of the pilot whales poop 30 feet below, which sent the oceanic whitetips into a minor frenzy. Three of the four sharks immediately sensed the huge, free meal and rocketed into the cloud of poop, eating it. This behavior explains why they hang with the pilot whales, but it makes you wonder why they don't spend more time checking out the delectable diver in their midst. I guess whale poop is tastier, which is lucky for Masa.

Masa got back in the boat and we continued fishing. Right there at UU buoy, he got a 20 lb bigeye tuna on a jig. He bled it over the side, which is what Masa does to ensure tasty sashimi. This brought those whitetips barreling over to the boat. With all that blood in the water, Masa jumps in for some pictures! Unfortunately, the whitetips didn't approach Masa close enough for the picture he wanted, of several in the same shot. Masa finally came back on the boat to try for another tuna.

Right away, he got a tuna, but with the blood in the water, those whitetips didn't let Masa enjoy it for long. They latched onto that tuna, churning up the water, and tore it apart. Now we know why the whitetips are nice to Masa; he feeds them tuna!

We headed south for a while and ran into a pod of friendly pantropical spotted dolphins. They hung with us a bit, but the light was poor, so it wasn't a great photo op.

Now we were at B buoy, which is really far out from Kona for a small boat. The B buoy is located about 5 miles offshore of an old fishing village, Miloli`i. We quickly got another bigeye tuna, 15-20 lbs, then another. These fish are great for sushi, but for the moment, we were fascinated by the small cookiecutter shark scar that decorated the side of one of them. For those of you unfamiliar with this species, a cookiecutter shark is a small (20 inch) shark that latches onto dolphins, whales and large fish with a suction action. It then twists its body in a violent motion and slices off a hunk of flesh, leaving a single circular scar of 2 to 4 inches in diameter, depending on the size of the shark. The victims generally have no long term effects from this, but live the rest of their lives with that nice, round tattoo.

On our third strike, we knew a shark was in the area. The tuna was being reeled in at a predictable pace, when suddenly, in a burst of strength, it just took off, as it tried to avoid the shark. No luck for the fish or for us, as the large shark grabbed the tuna and settled in for a short game of tug-of-war. The shark was thrashing around and cut the tuna in two; all we pulled up was the head. You'd think Masa would be disappointed to lose the tuna, but he seemed pleased that he didn't lose his jig. However, with sharks in the area, we knew we'd lose any tuna we'd catch, so we headed back to UU.

There we caught a small great barracuda. Barracudas are beautiful fish, but not good for eating because of the danger of ciguatera, a reef toxin prevalent among predatory fish that inhabit tropical reefs. It's rare to catch a barracuda so far out, as they generally stick near the reefs where they feed. As we took some photos, it thrashed about and cut the line with its sharp teeth, and plunged back into the water. Chalk up another one for the fish.

For our efforts this day, we had little to speak of in the way of photographs. On the other hand, we caught several bigeye tuna and managed to land 4 intact. Great sushi tonight! And for those of you who follow this blog, we are pleased to say that Sugar, my Tibetan spaniel, did really well on the boat today; no sea sickness at all!

Kona Sue

http://www.seapics.com
SeaPics.com Blog
All pix from today's excursion!

Links to stock photos of species mentioned in today's blog (please be patient!-10 seconds to load):

cookie-cutter shark
great barracuda
pilot whales
oceanic whitetip sharks

Eye to Eye with Pilot Whales & Oceanic Whitetip Sharks! - Oct. 25, 2007

It's been a couple of weeks since my last blog entry, but only because we had mechanical problems. The starter on Masa's boat didn't work, so we had to get it repaired. Two weeks confined to land; hate when that happens.

Today also started out a little iffy. We were all gassed up and down at the marina, ready to rock 'n' roll, when we realized we'd left the ice on the floor of Masa's house. Raced back for that, wondering what else would go wrong. As it turned out, the rest of the day was excellent, if you can call a day without catching any fish excellent. What we had instead was the kind of photo opportunities that remind us why we live in Kona, and why we work for SeaPics.com. It was also notable for another reason; it was the first time on the water for my new puppy, Sugar. She's a Tibetan Spaniel, and quite possibly the cutest dog in the world. We'd get to see what kind of sea legs she had, and because I have photos to capture the moment, so will you!

As we got a late start, we decided to go straight to C buoy without trolling. About 5 miles from Keauhou Bay, we spotted a pod of pilot whales, probably 50 or 60 of them! The light was perfect, so we went in their direction for some pix. As we approached, we encountered some other visitors: a small pod of bottlenose dolphins had converged on the same spot. There must have been some baitfish there, as the dolphins were swimming frantically in circles. The pilot whales were there, too, and they didn't seem happy to have the dolphins mixed in with their pod. The biggest bull, probably the leader of the pod, seemed very agitated. He was launching his body out of the water and slamming on the surface, in some kind of threat display to the dolphins. While all this was going on, a couple of oceanic whitetip sharks came into view. I mentioned in my previous blogs how oceanic whitetips are often in the vicinity of pilot whales, and here they were, right on schedule. This was clearly going to be an amazing day. How often do we get an opportunity to try and get dolphins, whales and sharks in the same shot? And as we got our gear ready for the big moment, of course, they all disappeared! Poof. Gone. Hasta la vista.

It was then that we noticed Sugar was gone, too, I panicked for a moment, wondering if she'd been on the oceanic whitetips' menu. We scrambled around the boat, calling her name. It's a small 19 foot boat, so to not see her was scary. Fortunately, we found her, wedged between the cooler and the side of the boat. She found the most comfortable spot by herself. Smart dog!

We thought the pilot whales had gone north, so we slowly went that way, back in the direction we came from this morning. We soon came across them again, and they appeared much more relaxed now. We've seen pilot whales often, and it's always hard to know what kind of behavior to expect. Sometimes they leave as fast as they can, sometimes they stick around to see what's up. This time, fortunately for us, it was the latter. We watched the pilot whales "logging" for a while. This is an observable behavior where they line up in a row, right next to each other, rubbing skin, in some kind of socializing activity. As our boat approached, they didn't make a move to leave. They stuck around, curious, and started spy-hopping, a behavior common to all intelligent marine mammals. One will pop its head out of the water, straight up, and watch us. Then another one did it, and another. Soon all around us was this whole pod of pilot whales spyhopping like crazy. It was a little surreal, and not unlike a game of whack-a-mole, with their heads bobbing up and down, randomly on all sides of our boat. It was an amazing display, as we hadn't ever seen this many "pops" before. We just stared at them, clicking off shot after shot.

As we were enjoying the show, two oceanic whitetips approached the boat. Now we knew we had to get into the water, if only to get the whitetips and pilot whales in the same photograph. As Masa prepared to enter the water, he fretted about what camera gear to take. The dilemma in this situation is always the same, and it's a catch-22. To take good pictures of the whitetips, you need a bulky two strobe setup complete with long strobe arms. However, to get the pilot whales, it's better if you can swim freely at their pace, which is hard to do with all that equipment. Take the strobe and risk not getting the whales; go light and forget about the sharks. It's a roll of the dice.

Masa decided to take the strobes, as he was sure the sharks would approach him. One of the whitetips was big, probably 9 feet or so, and usually, the bigger the shark is, the closer Masa can get to it. Large sharks aren't afraid of anything, particularly something Masa's size. Past experience told him that if he left his strobes behind, the shark was going to approach and pose for him inches from his dome port, so he took them with him.

He got into the water, and sure enough, that big whitetip rolled right up to him. This species will often do that, as they're curious to see what you are. They'll come right in for a bump to see if you're edible, so it's nice to have a camera housing between you and them. With the adrenalin rush of that big whitetip coming in, Masa waited and waited till the last second and snapped the shot. He got it nicely, and the shark veered off when the strobes flashed. Check out the shot to the right, as well as this nice profile shot of an oceanic whitetip.

Later on, he also got some pics of the smaller shark and a rare shot of a whitetip with some schoolies, which are juvenile mahi mahi. Click on this link to see the shot: oceanic whitetip with schoolies

While we were focusing on the oceanic whitetips, the pilot whales continued heading north. Masa got back in the boat, and we followed them for another go. Masa kept shooting the oceanic whitetip sharks, but he also had a good opportunity to observe a mother and calf pilot whale pair. This is not easy to do, as the mother is protective of her offspring, just like human mothers. Invariably she keeps the calf on the far side of her, away from strangers, which means she's usually blocking the shot. She kept nudging the calf away, but at one point, the calf, like a typical teenage, ignored Mom's warning, and slid under her for a better view of Masa. The shot here on the left is the result of that episode of misbehavior.

We caught no fish on this day, but it was awesome photo-wise. There's actually a lot more to write about, but I'm going to save if for another day. As a final shot, though, here's Sugar, expressing her feelings about today's experience on the water. Don't worry viewers; after two minutes on dry land, she stopped drooling and was feeling just like normal!

http://www.SeaPics.com
SeaPics.com Blog
All pix from today's excursion!

Links to stock photos of species mentioned in today's blog (please be patient!-10 seconds to load):

bottlenose dolphins
pilot whales
oceanic whitetip sharks
mahi mahi

Drifting Along with an Oceanic Whitetip Shark -
Oct. 4, 2007

We began our day at VV buoy where the current was really ripping. There wasn't much going on there fishing-wise, so we concentrated on photography. We took some photos of the buoy, which was tilted over diagonally by the current. At SeaPics.com, we sometimes get photo requests for ocean currents, which is a difficult topic to illustrate. Today, though, we got some decent shots of water currents around the buoy, along with the brown booby resting on it.

After hanging around there for a while, we spotted an oceanic whitetip shark approaching the boat. Masa was eager to get some shots of this one, so despite the current, he jumped in. Predictably, he drifted well away from the boat without getting off much of a shot. I took the boat down to pick him up, and we went back to the buoy to try again. We ended up repeating this exercise about 10 or 12 times, trying to get off a shot of that shark.

The current was still pulling hard, and there was a lot of fishing line tangled on the buoy chain, stretched out horizontally by the tug of the current. Masa was a bit worried about getting tangled up in that stuff. Most days, when there's no current, the lines just dangle straight down, unnoticed, but today it was a diver trap.

By now, the oceanic whitetip had accumulated some nice rainbow runners and pilot fish. These fish are sometimes seen together with oceanic whitetips, and shots of them in a group are colorful and very marketable. Despite the current and the dangerous fishing lines, we kept at it. Masa urged me to get in the water on the grounds that I needed to witness this puppy face to face for my blog. I eventually got in, carrying a small bat with me.

Oceanic whitetips are large pelagic sharks and known to be aggressive. They like to approach fishing boats and grab whatever fish are being reeled in. When a diver's in the water, they'll come right up to bump their nose with the camera casing, or take a nibble of whatever limb is being offered up. I was hoping this one, a female, wasn't in a mood for contact. As it turned out, she stayed about 12 to 15 feet away, which suited me just fine. We checked each other out for a while and drifted apart.

I climbed out of the water, and Masa tried his luck again. We repeated our game of hide-and-seek with the shark, but the current never did cooperate, and we called it a day, with just some so-so pics of her. Too bad; that oceanic whitetip lost her chance to be a cover girl for SeaPics.com.

As we left the area, we saw some small skipjack jump out of the water. Boobies were flying all around, attracted by the baitfish schooling there. A dog on a nearby boat was barking like crazy, which made us laugh.

From there we went to C buoy. A small pod of pilot whales, probably juveniles, was out there, just a little too far away for any decent shots. We noticed a frigate bird circling, which is usually a sign of baitfish, which in turn attract the big fish and the dolphins. As expected, there were some pantropical spotted dolphins leaping around the baitfish. We got some excellent pics of airborne dolphins. They jumped so high, it was sometimes hard to keep the horizon line in the shot. There were also some big tuna out there, and I got off a nice shot of a leaping tuna. I say it jump once and held ready for the second jump, which I got. Nice work, me! After a good afternoon of dolphin photography, we took off for home. Some baby dolphins followed us and rolled around and around in our boat's wake.

By now, a huge dark cloud had descended on us. We wanted to reach port before it really started pouring, but just then we spotted a beaked whale break the surface! We cut the engine, and miraculously, that whale metamorphosized into a drifting log. Incredible, the things that happen at sea. Despite the impending downpour, we decided to fish the log. Driftwood tends to accumulate small fish, and before long, it's a complete environment. We had time to catch a small striped wahoo, and then headed back to the Keauhou marina. We were drenched from the rain, but I had no time to change or even dry off, as it was my turn to carpool for my daughter's gymnastics group. No time to help Masa clean out the boat either; maybe next week!

http://www.SeaPics.com
SeaPics.com Blog
All pix from today's excursion!


Links to stock photos of species mentioned in today's blog (please be patient!-10 seconds to load):


oceanic whitetip sharks
pantropical spotted dolphins
pilot whales

Wednesday, January 9, 2008

Leaping Mahi Mahi - Sept. 27, 2007

Hi, everybody! This is my 1st blog, and I plan to keep it as a regular update of my fishing & photography trips around Kailua-Kona, Big Island, Hawaii, where I live.

I usually go out on the water about once a week with my longtime friend, Masa Ushioda. It's his boat, so if he's not out, then I'm landlocked. No blogs on those days!

We live on the west coast of Big Island, where there are heaps of fishing and photo taking opportunities. Masa is an award-winning professional photographer and the tech expert at my company, SeaPics.com. His photos of marine life have been published in tons of books, magazines, calendars - you name it. Today was just a day for fishing, though.

This day's fishing was notable for the pod of pilot whales we saw and for the school of mahi mahi that circled our boat! If you're interested in deep sea fishing, nature photography or Hawaii, please read on and check back to this blog from time to time!


9/27/07
We got a late start on this overcast day, and headed out to the VV Fad (Fish Aggregation Device) near Keauhou. We checked out what the other boats were fishing there, but it turned out to only be small aku, which didn't interest us. From there we headed out to C buoy, trolling with 4 rods as we went.

Just outside of Kealakekua Bay (where the famous Captain Cook met his maker) we spotted a nice pod of pilot whales heading in the opposite direction. This was not unusual, as we often see dolphins, beaked whales, pilot whales and more in this area. On this day, however, we knew the BBC was filming on the Big Island about oceanic whitetip sharks, which often accompany pilot whales, so we called our contact, marine photographer Doug Perrine, to identify the whales' location. No word yet if we actually aided the BBC effort.

We continued south and had no luck trolling. Then the ocean, which had been a bit rough, suddenly went flat, like glass. There were no boats in the area, which is usually a bad sign for fishing. Fortunately, we got a good sign that more than cancelled it out. Right in front of us, a huge pod of pantropical spotted dolphins began leaping and spinning. They were head slapping, tail slapping, mothers and calves alike, putting on a real display. They were excited, it turns out, about the huge school of bait fish right below! Just then, a 60 lb bigeye tuna popped out of the water, right next to us! If we were going to catch anything today, this was the spot!

Masa, who usually has a good sense of how to position the boat for fishing, tried a maneuver. He went to position the boat in front of the dolphins so they'd drive the fish our way, but when he did, everything got quiet. All the dolphins just disappeared, and we were staring at the silent, glassy water, wondering what happened. Then we saw them, about 7 or 8 mahi mahi, circling the boat!

Mahi mahi, as you probably know, are great eating and popular in restaurants worldwide. They're also known as dorado or dolphinfish. The latter name has fallen out of favor in restaurants, as people (in the West anyway) are not eager to eat anything called "dolphin." Mahi mahi (the Hawaiian name) are fish, and have no connection to dolphins, other than their name and their extraordinary leaping abillity. For stock photos of mahi mahi, check out this link: Mahi Mahi Pix

Masa started throwing bait into the water and got out every rod he had in the boat - about 10 or 12, and put on an assortment of lures. The mahi mahi kept circling, but no bites. After a while, Masa threw out a hook with some bait and caught a hagi (junkfish). He kept it on the line for a while to keep the mahi mahi interested. He then got out his new chum box full of last week's fish guts (Masa keeps the previous catch's frozen for just this purpose) and tossed it in. Unfortunately, the knot untied and Masa's new chum box slipped into the blue. See ya, $17.95!

After about 2 hours of watching the mahi mahi swim races around the boat, we finally hooked one! It leapt out of the water about 10 times, and got as high as 8 ft out of the water. Several times it jumped up and landed on its side with a big splash! When we got it in, it was over 3 ft long and about 15-20 lbs, a beautiful yellowish-green with blue speckles. Masa was so happy, as we'd been out all day. About an hour later, we caught another.

After we reeled in the second one, all the mahi mahi disappeared, like they'd suddenly got the idea we didn't have their best interests at heart. Masa phoned his wife to tell her we were heading home. Then just as we got underway, all the mahi mahi came back for another quick lap around the boat. Oh well, we'll see them next time!

On our way home, we passed VV buoy again, the one we started at this morning. There were two guys out there fishing from their jet skis, with their coolers of beer on the back. It was like Easy Rider out there, a mile into the ocean.

Kona Sue

http://www.SeaPics.com
SeaPics.com Blog

Links to stock photos of species mentioned in today's blog
(Please be patient!-10 seconds to load):

mahi mahi
pantropical spotted dolphins
pilot whales
oceanic whitetip sharks