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Archive for the ‘NGOO’ Category

In January 2018, a male juvenile monk seal was sighted on Niihau with a hook in his lower right lip. Photos of him happened to match another set of photos submitted by some kindly fishermen of a sighting in September 2017. Both sets of images showed the animal to be in good body condition with the hook not presenting a life-threatening situation. Clearly, the seal was managing to forage successfully. So, the decision was made to await an attempted de-hooking when the seal was next sighted–as long as he was in a safe place and situation to intervene.

Thing is, this wasn’t NG00‘s first hooking. In May 2016, he hauled out on a Kauai beach with a hook stuck in his lip. At the time, NOAA approved a trained team to capture him and remove the hook, and they did. Successfully. Then, 18 months later, he was hooked again. That was the Niihau sighting.

Months went by. NG00 was sighted but not in a safe place for intervention. Then, he was sighted, but he’d recently molted, so it was decided–once again–not to intervene.

You might be wondering about his flipper tag number. NG00 was tagged on Niihau, and his tags are black. As you can tell, he tends to make the swim back and forth from Niihau to Kauai fairly regularly.

Last week, the stars and seals aligned. After romping with with RG58, he hauled out in a safe spot. With NOAA’s approval, a trained team caught him, and safely removed the hook that he’d been sporting since, at least, September 2017.

This would be a good time to request fishers to use barbless hooks. Please.

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PC: J. Honnert

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PC: J. Honnert

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PC: J. Honnert

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PC: J. Honnert

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Field Report: November

Monthly Update: The Kauai team reported 28 individually identified seals in November for a grand total of 145 seal sightings reported to the hotline.

November: 145
October: 203
September: 199
August: 295
July: 414
June: 315
May: 332
April: 302
March: 299

New:

  • Juvenile female R7AA was disturbed by a leashed barking dog at Salt Pond Beach Park and left the area.
  • A seal was harassed at Mahaulepu by group of men making noises at it to elicit a response. They were also playing football very near the seal. The seal left the beach due to the disturbance; however, hauled out again later after the men were gone. The disturbance was witnessed and reported by a member of the public.

Updates:

  • Update: RK58 remains at Ke Kai Ola for rehabilitation. RK58 is now free feeding and gaining weight.
  • Sub-adult male NG00 hauled out at Poipu with the circle hook still in his lip. The original hooking occurred in Sept of 2017. The seal is in excellent body condition, but had just finished molting and was therefore not captured for de-hooking.
  • Poipu Keiki Pool: RK13 was displaced this month. That was her fourth displacement in 2 years. (Remember, this only happens with NOAA approval and by trained individuals.)
  • Bleach markings: 4 bleach marks were applied.
  • Molting: 2 seals molted this month.

Research/Support of PIFSC:

  • Sub-sampled scat, molt, and tissue plug samples accordingly.
  • Logged all seal sightings for PIFSC database. Organized photos and reported sightings, molt tallies, survival factors to send to PIFSC.

 

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Monk Seal Monday #40: NG00

Often, when an unknown Hawaiian monk seal turns up on Kauai’s shoreline, it’s assumed to have ventured over from Niihau. Very few monk seals from Niihau have been flipper-tagged, so there’s really no telling. But a seal known as NG00 has been flipper-tagged, and his tag is black with light-colored lettering.

In May 2016, juvenile NG00 popped up on a Kauai beach with a fish hook in his mouth. With NOAA approval, a trained team captured him and removed the hook.

In September 2017, the public reported another monk seal with a fish hook in his mouth. The photos resembled NG00.

Then, in early January of this year, NG00 was sighted on a west side Kauai beach, and a team responded to find a fish hook (but no trailing line) stuck in the left corner of his mouth. The bad news was NG00 was hauled out on rocks–not a good location for capture. The good news was that the location of the hooking was not life-threatening. The decision was to wait until he hauled up in a safe place before intervening.

Later in January, NG00 was reported on Niihau.

He reappeared on Kauai in April, still sporting the hook in the left corner of his mouth. Even so, he was in good body condition, indicating the hook was not hampering his ability to feed. Once again, his chosen haul-out location was rocky and not safe for capture.

NG00 wasn’t reported on Kauai again until late November. This time, he was on a sand, hauled out next to another seal (3CX). The circle hook was still lodged in his cheek, and he was still in good body condition. But NG00 had also recently molted and, therefore, it was determined he would not be captured. When monk seals go through their annual molt, they spend more time on the beach resting while the top layer of skin and fur along with it falls out in patches than they spend foraging. Molting eats up energy stores, so the weeks leading up to and after a molt are usually considered hands-off.

However, in a couple weeks, if NG00 happens to haul out in a safe location, NOAA will consider intervening to remove the hook. So, in the coming weeks, if you see a freshly-molted juvenile monk seal with black flipper tags and a fish hook in his lower lip, please call the Kauai Hawaiian Monk Seal Conservation Hui at 808-651-7668.

 

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Sightings:

The Kauai team logged 303 seal sightings this month. This included 30 individually identified seals.

April: 303
March: 299
Feb: 259
Jan: 336

New:

  • RK13 gave birth to PK1 on 4/20/2018. Extensive monitoring was immediately set-up and continues. Unfortunately, the location is notorious for off-leash dogs and past conflict between beach users and the monk seal program. Thus far, only minor issues have risen. Pup continues to thrive.
  • RK52 gave birth to stillborn female pup. This was RK52’s first birth. Carcass was sent to Oahu for necropsy.

Updates:

  • NG00 was re-sighted once this month and is likely still hooked. (See previous monthly updates for background.)
  • Poipu Keiki Pool: 2 displacements took place this month.
  • Bleach markings: 2 seals bleach marked this month.
  • Molting activity: one seal continues to molt this month.

Research/Support of Pacific Islands Fisheries Science Center:

  • Sub-sampled scat, molt, and tissue plug samples.
  • Logged all seal sightings. Thomton organized photos and reported sightings, molt tallies, survival factors to send to PIFSC.

 

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If you’ve heard about the storm that Kauai weathered over the weekend, some of you may be wondering about our Hawaiian monk seals. (If you haven’t heard about the storm, you can read more about it here.)

The Kauai Hawaiian Monk Seal Conservation Hui does not deploy volunteers to dangerous situations–during storms or otherwise–and didn’t yesterday, either; however, the general public reported four seals hauled out on southern and western shores yesterday. They were all reported to be fine. The brunt of the storm hit Kauai’s north shore. Obviously, monk seals are marine mammals and are much better adapted to handle rising waters than we mere humans.

Now, for the March Field Report:

Sightings:

The Kauai team logged 299 seal sightings this month. This included 30 individually identified seals.

March: 299
Feb: 259
Jan: 336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New

  • AF (Adult/Female) R376 was observed on Poipu Beach with bait trailing from her mouth and with a significant loss of weight since her previous sighting six weeks prior, suggesting she’d ingested a fish hook. With 13 volunteers assisting, a trained response team crowded her into transport carrier, and she was moved to DOFAW baseyard in Lihue to await arrival of an Oahu veterinary team. A fish bone was discovered to be lodged in her mouth. It was removed, she was given antibiotics and released at Poipu Beach by the end of the same day. Read more about this swift and successful response here.
  • JF (Juveniile/Female) R7AA hauled out onto the shoulder of the road near Brenneckes in Poipu. A visitor called the hotline, and later the seal was displaced into the water and away from the road entirely.
  • Several reports of dogs chasing seals off the beach at Maha’ulepu were reported to the hotline. No seal injuries have been reported. DOCARE has been alerted.
  • A report was made from a fisherman of a seal dead in a net 3.5 miles outside Nawiliwili Harbor. USCG provided vessel support to investigate and possibly retrieve. A large bill fish, not a seal, was found entangled in a large cargo net, partially eaten by sharks.

Updates on previously reports:

  • NG00 is likely still hooked and was not sighted this month. SM (Small/Male) Sighted on Niihau in January. Photos match pictures sent in last September by fisherman of a hooked seal along Kaumakani on Kauai. Seal presents in good condition. Since hook is not life threatening, the Kauai response team will attempt to de-hook him the next opportunity that presents itself.
  • Poipu Keiki Pool: no displacements took place this month.
  • Bleach markings: 3 seals bleach marked this month.
  • Molting activity: no seals molted this month.

Research/Support of Pacific Islands Fisheries Science Center:

  • Subsampled serum samples from R376 for PIFSC and shipped to Oahu.
  • Sub-sampled scat, molt, and tissue plug samples.
  • Logged all seal sightings. Organized photos and reported sightings, molt tallies, survival factors and sent to PIFSC.

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Sightings:

The Kauai team logged 259 seal sightings this month. This included 32 individually identified seals.

Feb: 259
Jan: 336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New Issues:

  • RK90 returned after 6 week absence. Was large and pregnant on 12/28/17 and then sighted on 2/17/18 thin. Likely pupped on Niihau. This would be her first pupping.

Updates on previously reported issues:

  • NG00 is likely still hooked and was not sighted this month. NG00 was observed with a circle hook in lower right lip. Sighted on Niihau in January. Photos match pictures sent in by fisherman along Kaumakani in September of a hooked seal. Seal in good condition, hook not life threatening, will attempt to de-hook next time hauled out on sand.
  • Poipu Keiki Pool: 6 displacements took place this month. Listed below are which seals and how many total times they have been displaced from the keiki pool. Please remember displacements require skilled training and, as always, prior approval from NOAA. Please never attempt this on your own. But please do call the hotline (808-651-7668) when/if you find a monk seal in the Poipu Keiki Pool.
    • RN02 – 3rd displacement
    • RG58 – 1st and 2nd displacement both this month
    • R339 – 4th displacement
    • RV18 – 1st displacement
    • RK90 – 3rd displacement
  • Morbillivirus vaccinations: All vaccines on Kauai have expired. No further vaccinations will occur for the time being.
  • Bleach markings: 2 seals bleach marked this month.
  • Molting activity: 1 seal molted this month.

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Sightings:

The Kauai team logged 336 seal sightings this month. This included 34 individually identified seals.

Jan:336
Dec: 270
Nov: 239
Oct: 225
Sep: 354

New Issues:

  • R376, adult female, hooked with small j-hook in lip. Hook came out without intervention several days later.
  • One new juvenile male, untagged and unknown, sighted on West Side.

Updates on previously reported issues:

  • R7AA, juvenile female, was observed with a moderate injury to right cheek, possibly a hook pull-out or moray eel bite. Antibiotics were given. Close monitoring continued, wound currently healing.
  • NG00, sub-adult male, was observed with a circle hook in lower right lip. Sighted on Niihau in January. Photos match pictures sent in by fisherman along Kaumakani in September of a hooked seal. Seal in good condition. Hook not life threatening. Will attempt to de-hook next time hauled out on sand.
  • Poipu Keiki Pool: 3 seals displaced from Keiki Pool.
  • Morbillivirus vaccinations: All vaccines on Kauai have expired. No further vaccinations will occur for the time being.
  • Bleach markings: 1 seal bleach marked this month.
  • Molting activity: no seals molted this month.

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