icon Cobalt Jellyfish  

Stacks to: 12
This item is Food that lasts 5 min.
This is a Small Saltwater Fish
Auction House: Food - Fish

Cobalt Jellyfish
[Inventory] M
This jellyfish lives in the seas of Vana'diel.

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Food Effects

  • DEX +1
  • MND -3

    • Mithra is the only race able to eat Cobalt Jellyfish.

Final Fantasy XI

Category: Final Fantasy XI
This page last modified 2011-12-08 17:33:33.
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Used in Quests:Dropped off Mobs:
Sold by Merchants for about 45 gil:

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Frustration! Then success!
# Nov 21 2010 at 6:43 PM Rating: Decent
3 posts
Ok . . . so after trying for hours to catch these with minimal success (and Denizanasi in Aht Urghan) I figured out that fly lure does NOT work very well. The best bait is insect balls in Selbina (no other fish will bite insect balls in Selbina). Hope this helps someone else who wants to level alchemy.
Sabiki Rig
# May 14 2009 at 10:02 AM Rating: Decent
18 posts
If you wanna try fishing these using the Sabiki Rig, and avoid other fish that tend to bite on it such as quus or sardines, I recommend the ponds in SSG. This is the only area I could find with this result for the rig. Only other fish to catch is Coral Butterfly, and they won't bite the rig. You also might consider canceling items here, for you can catch (as if you didn't know) Coral Fragments, which are good for breaking your line. Just some food for thought :)

Edited, May 14th 2009 2:10pm by Gremloc
"Perfection is a road, not a destination."
Gremloc of Diabolos
Bibiki bad ass
# Nov 02 2008 at 3:12 PM Rating: Decent
19 posts
On Kujata server they where selling here cheeper than anywahere @ 24 gil each and i was cathing them with decent success w/ worm lure there too.
# Oct 04 2007 at 12:40 PM Rating: Decent
1,983 posts
Sorry mispost. ; ;

Edited, Oct 5th 2007 12:29pm by Shamaya
Shamaya, Asura
If you're skilling Alchemy...
# Mar 01 2007 at 5:29 PM Rating: Decent
432 posts
***** Jellyfish, go for Denizanasi is Whitegate. You can fish 'em at the ports, I'm getting a ton of them with Halcyon Rod + Worm Lure. Combine is the same; four Denizanasi + Lightning Crystal = one Mercury, caps at 16 too.
You know how most people on the internet are 6'4" powerlifters who play hockey?

That's me, only really. That's why I don't care about FFXI like you do.
# Jun 06 2006 at 1:45 PM Rating: Decent
14 posts
I used little worms + halcyon rod in Selbina. I only caught Cobalt Jellyfish and the occasional rusty item, however, over half the time I didn't catch anything. ; ;
ship to Aht Urhgan
# Apr 20 2006 at 12:07 AM Rating: Decent
19 posts
these are sold on ship to Aht Urghgan
Where to catch them frequently...
# Apr 15 2006 at 12:04 PM Rating: Decent
8 posts
Location: Selbina
Rod: Fastwater
Bait: Little Worm

I catch nothing but cobalt jellyfish with this setup. Not sure about the skill level, I hear it's 4 but, just like synthesis, you could get an extra .1 or .2 skill up even if you are the same level as the cap.
RE: Where to catch them frequently...
# May 06 2006 at 6:59 PM Rating: Decent
64 posts
If you continue to skillup beyond the cap, that means you have not really hit the cap. I personally never had a synthesis that gave me skillups @ cap :P

Fishing cap for these is 5.

Edited, Sat May 6 18:53:14 2006
# Apr 05 2006 at 11:13 PM Rating: Decent
14 posts
In Port Jeuno off of the docks I was catching Cobalt relatively easily with a Halcyon Rod and Robber Rig. Level 27 Fisherman, all 4 pieces of fishing gear. Hope that helps any starting alchemists like me. ^_^

Edited, Thu Apr 6 00:15:52 2006
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Perfect for a new alchemists
# Feb 28 2006 at 2:41 AM Rating: Decent
11 posts
If your a new alchemist and skilling up on crafting poison dust and mercury like myself, fish in Port Jeuno with a Composite fishing rod and a worm lure. While fishing for the next 30 minutes I was only catching jellys and yellow globes.
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Fishing info
# Feb 24 2006 at 3:26 PM Rating: Decent
97 posts
Skillcap: 5

Rods:(X denotes possible break)
X Bamboo Fishing Rod
X Carbon Fishing Rod
Composite Fishing Rod
X Fastwater Fishing Rod
X Glass Fiber Fishing Rod
Lu Shang's Fishing Rod
Mithran Fishing Rod
Single Hook Fishing Rod
X Tarutaru Fishing Rod
X Willow Fishing Rod
X Yew Fishing Rod

Crayfish Ball
Fly Lure
Frog Lure
Insect Ball
Little Worm
Meat Ball
Peeled Lobster
Robber Rig
Rogue Rig
Sabiki Rig
Sardine Ball
Shrimp Lure
Sinking Minnow
Slice of Bluetail
Sliced Cod
Sliced Sardine
Worm Lure

Batallia Downs
Bibiki Bay (Purgonorgo Isle)
Bibiki Bay (Sunset Docks)
Cape Teriggan
Den of Rancor
Lower Jeuno
Manaclipper (Dhamel Rock)
Manaclipper (Purg.Isle->Sunset Docks)
Manaclipper (Sunset Docks->Purg.Isle)
Port Bastok
Port Jeuno
Sea Serpent Grotto (Lake)
Sea Serpent Grotto (Ponds)
South Gustaberg
Valkurm Dunes

Guild points:
Points: 15
Max/Day: 1200
Fishing info
# Feb 11 2008 at 7:45 AM Rating: Good
105 posts
great item to fish
# Jan 29 2006 at 9:09 AM Rating: Decent
36 posts
I've been using a Halcyon rod + fly lure in Port Bastok and have been getting nothing but Cobalt Jellyfish and the occasional 1 gil and rusty armor.

Edited, Sun Jan 29 09:10:27 2006
CoP: 6-4 (Omega/Ultima)
ZM: Ark Angels
71 SAM

Rogue 52
# Jun 29 2006 at 9:52 PM Rating: Decent
94 posts
same for composite rod and worm lure.
Fairy Server
Rank 5 Bastok
Cap is somewhere above 3
# Jan 15 2006 at 8:25 AM Rating: Decent
1,059 posts
Well the reported cap on these is wrong

I'm a skill level 4 fisherman and I just got a +.1 realing in one of these. So cap is at least 5 maybe higher - I'll let you know.

I've been fishing these a lot lately (reason I started fishing) mainly because I need em for my alchemy (currently at 66.something)

Incidentaly I'm having a better ratio of jellyfish to items by using meatballs at khazam wharf rather than jeuno (many many more rusty buckets and leggings in jeuno)... After more fishing, I can't say the ratio is any better but Phantam Kelp stacks so you're not going as often to a vendor to empty stuff (not to mention if you fish on the airship dock part there is a vendor right there - the duty free chick).

Ok after fishing abotu 5 stacks of bait at level 5 I think I can safely say these cap at 5 not 3 as per other sources. I was getting about a skillup a stack of bait before. Now I'm getting nada. I'm 95% sure atm that the cap is 5.

edit: Made 5 and steadied so prety much confirming cap.

Edited, Mon Feb 6 11:40:41 2006
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Port Jeuno
# Oct 19 2005 at 11:50 PM Rating: Excellent
44 posts
Fished in Port Jeuno with Sabiki rig. Caught only 3 jellyfish, but got some sardines for cooking and yellow globes as well. Wish my skill was higher so I didn't get as much rusty things. If you're an Alchemist, the Yellow Globes can be made into Poison Dust and the Jellyfish into mercury, which you can then synth into Poison Powders. It's literally crafting your own fortune.
Darn bears...them and their bullet resistance
Comp/Fly Lure
# Oct 14 2005 at 6:53 AM Rating: Decent
2 posts
Okay the comp/fly lure thing blows. I'm catching nothing but rusty buckets. What the heck is going on.

Edited, Fri Oct 14 08:10:19 2005
Frog lure
# Jul 25 2005 at 8:00 PM Rating: Decent
34 posts
I use a composite rod and frog lure in port jeuno and get nothing but jellys and rusty gear also
jelly only equipment
# Jul 05 2005 at 1:17 PM Rating: Decent
25 posts
For all those alchemists out there, if you use a composite rod and a fly lure, you will catch only jellies and the odd rusty item. You can use this combo all kinds of places. Port bastok, port windurst, selbina, and kazham are some of the places that I can confirm getting only jellies and rusty items.
RE: jelly only equipment
# Nov 08 2005 at 12:12 PM Rating: Decent
25 posts
Alright, I would say that SE changed something with a recent patch. I have been unable to get a single jelly with this combo for about 3 weeks now. Ah well, back to the drawing board...
Fishing Guild Info
# Jun 25 2005 at 3:17 PM Rating: Decent
6 posts
Fishing guild info.

Points per fish - 24

Total points needed - 1200

Number of fish needed - 50

Server - Odin

Member - Recon
caught alot
# Jan 15 2005 at 2:29 PM Rating: Decent
64 posts
ii caught 4 staks in 3 hours with composite/rogue rig
"It's not the size of the dog in the fight, it's the size of the fight in the dog."
Mithra 32 THF/16 NIN
RE: caught alot
# Feb 04 2005 at 4:56 PM Rating: Decent
22 posts
What lvl is your fishing skill, and where did you get them? Cuz that sounds like some productive fishing to me^^
(I have lvl 12 fishing, skilling up alchemy on mercury)
RE: caught alot
# Mar 27 2005 at 3:37 PM Rating: Default
93 posts
let me give you the combo

selbina+ fastwater fishing rod + meat balls

the rod has got to be one that is NOT designed for big fish
# Dec 02 2004 at 11:44 AM Rating: Decent
83 posts
These cap at 3. I can't seem to catch any in Mhaura. If I could it would be great 'cause then I can fish them up along with Yellow Globes for Alchemy. ^^
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# Nov 02 2004 at 2:50 AM Rating: Decent
270 posts
Just caught one using composite rod + sabiki rig in Norg. Current skill is 9.4
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Gilgamesh Server|Rank 10 Bastok
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Main:WHM 75/BST 75
Cooking: 100+5 Alchemy 79[mule] Fishing 40
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2-3 stacks an hour
# Sep 21 2004 at 12:26 PM Rating: Decent
382 posts
Fish Battalia with a rouge rig or if you are 60+ fishing a shrimp lure. I get about 2-3 stacks an hour...
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# Sep 13 2004 at 2:04 AM Rating: Default
383 posts

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Selbina guild shop
# Sep 08 2004 at 2:47 PM Rating: Default
729 posts
These are also sold at the fishing guild shop in Selbina. Got some last night, but could only buy a stack and a half before they sold out. :/
# Jul 29 2004 at 1:55 PM Rating: Default
I get these easily in Kazham with a yew rod and sardine slices with a fishing skill of 1
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