Poll: Who wins?
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Portuguese Man o' War
66.67%
2 66.67%
Beroid Comb Jelly
33.33%
1 33.33%
Total 3 vote(s) 100%
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Portuguese Man o' War v Beroid Comb Jelly
#1
Atlantic Portuguese Man o' War - Physalia physalis
The Atlantic Portuguese man o' war (Physalia physalis), also known as the Man-of-war, or floating terror, is a marine cnidarian of the family Physaliidae. Its venomous tentacles can deliver a painful sting. Despite its outward appearance, the Portuguese man o' war is not a common jellyfish but a siphonophore, which is not actually a single multicellular organism, but a colony of specialized minute individuals called zooids. The Portuguese man o' war is composed of three types of polyps and an associated gas-filled air sac called a pneumatophore or "sail". The pneumatophore should probably not be considered a polyp as it develops from the planula, unlike the other polyps. This sail is bilaterally symmetrical, with the tentacles at one end. It is translucent, and is tinged blue, purple, pink, or mauve. It may be 9 to 30 cm (3.5 to 11.8 in) long and may extend as much as 15 cm (5.9 in) above the water. This species and the smaller Indo-Pacific man o' war (Physalia utriculus) are responsible for up to 10,000 human stings in Australia each summer, particularly on the east coast, with some others occurring off the coast of South Australia and Western Australia.

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Beroid Comb Jelly - Beroe abyssicola
Beroid Comb Jellies are the Ctenophores that belong to the genus Beroe. They are basically a sack with a gigantic mouth at one end and, unlike other Comb Jellies, they have no tentacles for capturing prey. Why? Because they don't need them of course! Beroids eat almost nothing but other Comb Jellies, which is pretty rude. Some of them even focus their attentions on particular species of Comb Jellies, which is ruder still. They have the same rows of cilia used for swimming as other Comb Jellies do, but they also have other more unique ones. too. Lining that gigantic mouth of theirs, rows of hair-like cilia are fused together to create what one could well call "teeth". This means that the Beroid can take bites out of Comb Jellies that are too big to swallow whole. This is good because while some Beroids might be 15 cm long, others can be just 3 cm.

[Image: Beroe_abyssicola_02.jpg]



(03-13-2019, 10:45 PM)Old Tibetan Blue Bear Wrote: Blue bottle jellyfish vs Beroid comb jellyfish

Googling Blue Bottle Jellyfish leads me to Man of War. Hope that is what you wanted!
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#2
Thanks Taipan.Yes it is the bluebottle is also known as indo pacific man of war and is a much smaller version of that jellyfish just as the indo pacific bottlenose dolphin is a smaller subspecies of the common bottlenose dolphin. Blue bottles are not the most poisonous but they are the most common jellyfish at Sydney beaches like Bondi and new castle. Regarding the beroid, it eats other comb jellyfish including the sea gooseberry. The Portugese man o war also eats other jellyfishes. At equal size, the beroid will win if it is immune to the stinging tentacles.

But again the beroid might be able to bit chunks out of a larger man o war.
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OldMan
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#3
I think larger and venomous man o war can win.
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#4
Voted for the jellly only cause the name is too awesome. LOL
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#5
In the world of invertebrates, size doesn't always matter. Remember the lion maned jellyfish got eaten by much smaller anemones and small blue dragon sea slugs eat jellyfish that are larger in size including bluebottles and Portugese man o war.
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OldMan
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#6
(03-14-2019, 11:39 PM)Lightning Wrote: Voted for the jellly only cause the name is too awesome. LOL

You mean the beroid comb jellyfish. It does not have tentacles but it eats by 'biting'.
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OldMan
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#7
(03-15-2019, 02:37 AM)Old Tibetan Blue Bear Wrote: In the world of invertebrates,  size doesn't always matter. Remember the lion maned jellyfish got eaten by much smaller anemones and small blue dragon sea slugs eat jellyfish that are larger in size including bluebottles and Portugese man o war.

What is ur opinion whose gonna win this fight?
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#8
The blue bottle jellyfish or indo pacific portugese man o war will win if it is a dcent size larger but the beroid comb jellyfish will win at parity by 'biting' to compensate its absence of tentacles.

On second thought the beroid comb jellyfish does not have the special sticky wax like the sea gooseberry to protect itself from stings of the man o war so....a victory might not be guaranteed for the former.
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OldMan
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#9
(03-17-2019, 08:19 AM)Old Tibetan Blue Bear Wrote: The blue bottle jellyfish or indo pacific portugese man o war will win if it is a dcent size larger but the beroid comb jellyfish will win at parity by 'biting' to compensate its absence of tentacles.

Port man o war is larger right? As i saw the specification above.
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#10
Yeah but the blue bottle jellyfish/ indo pacific man o war is much smaller just like the indo pacific bottlenose dolphin is smaller than the common bottlenose dolphin.
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OldMan
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#11
(03-17-2019, 08:28 AM)Old Tibetan Blue Bear Wrote: Yeah but the blue bottle jellyfish/ indo pacific man o war is much smaller just like the indo pacific bottlenose dolphin is smaller than the common bottlenose dolphin.

Alright but i was talking about port man o.war it seem too much longer then comb.
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