SUBNAUTICA 2 GUIDEDeep-sea field manual

Wikis Content · v19

Surge Jelly

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The Surge Jelly is a defensive, electric-shocking lifeform found in the Dolerite Spires and Karakorum Power Plant, capable of delivering lethal voltage.

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PropertyDetails
SpeciesStaurobrachia capacitor (“Pole-arms capacitor”)
TypeMobile Forager
AttitudeDefensive
BiomeDolerite Spires, Karakorum Power Plant
BiomodHoming Sense
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![Surge Jelly render](Surge Jelly render.png)

The Surge Jelly is a lifeform found primarily in the Dolerite Spires and around the Karakorum Power Plant.

Appearance

The Surge Jelly is modeled after a jellyfish, with a distinctive arrow-shaped stinger. It is primarily colored light blue, but it has bright pink dots lining the circumference of its head. Its stinger has a light blue outline, with symmetrical patterns of yellow and purple that are comparable to angel wings.

Behavior

The Surge Jelly is often seen sending an electrical shock attack as a defence mechanism. The shock is evenly dispersed in the radius of the attack, which is about the length of 2 times its size.

Databank Entry

![Surge Jelly](Surge Jelly.png)

Surge jelly (tentatively Staurobrachia capacitor). Large, complex jelly that hunts with electric shocks.

  1. Single animal: Unlike colonial organisms such as the Portuguese man'o'war, the surge jelly is a single animal with specialized tissues—far more specialized and complex than Earth jellies. Proposed class name: staurobrachia (pole arms).
  2. Complex internal structure: Outer bell ringed with sense organs called rhopalia. A nerve net coordinates the bell's motions to swim and seek prey. The visible inner structure is the gut.
  3. Feeding structure: The jelly retains its stalk—a remnant of its growth in a stack of clones. The stalk draws in nutrients for the gut.
  4. Charged fins: Two rigid fins contain wirelike electrocytes, likely a development of ancestral tentacles. These organs build voltage to stun or kill prey. Measured power ranges from 400 to 1000 volts at 1 ampere: enough to kill a human.
  5. Peculiar passengers: Traces of radioactivity, high-temperature waxes and sulfuric acid imply contact with a hydrothermal vent. Composition of the jelly's tissues suggest origins in the deep ocean.
  6. Former domestics?: Jellies in close proximity communicate through their electric fields. Whether jellies have individual names or a grammatical language is purely speculative, but some patterns may be trained or learned—even passed down through generations of jellies.

Assessment: minor danger in close contact. Fascinating research prospect from a distance.

Source: Scan a Surge Jelly

In Game

A Surge Jelly discharging electricity. Side view of a swimming Surge Jelly. Bioluminescence at night.

Development

Jellyfish Exploration 02 by Wietze Fopma, the Surge Jelly can be seen as one of the concepts. Surge Jelly detail by Wietze Fopma

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