Subnautica Codexery

Jellyray

A graceful, bioluminescent filter-feeder that dances through the shallow kelp forests of 4546B.

The Jellyray is a gentle, free-swimming cephalopod native to the shallow waters of Planet 4546B, often found gliding through kelp forests and near the surface. Resembling a cross between an Earth jellyfish and a manta ray, it is one of the first larger creatures new survivors encounter, serving as a symbol of the planet's initial beauty before the dangers of the deep are revealed.

Despite its alien biology, the Jellyray plays a crucial ecological role by filtering plankton from the water. It is non-aggressive and poses no threat to players unless provoked, making it a favorite subject for underwater photography and a common sight in the game's early exploration zones.

Classification
Cephalopod
Habitat
Shallow Trench, Kelp Forests, Safe Shallows
Behavior
Passive / Neutral
Diet
Plankton Filter Feeder
Bioluminescence
Yes (Blue/Purple)
Interaction
Harvestable for Jellyfish Tentacles

Lore & Background

In the ecosystem of Planet 4546B, the Jellyray represents a successful adaptation to life in nutrient-rich, sunlit waters. Its large, translucent wings allow it to glide effortlessly with minimal energy expenditure, while its trailing tentacles act as both sensory organs and feeding mechanisms. The creature's vibrant purple and blue bioluminescence is not merely decorative; it likely serves as a method of communication or camouflage within the dappled light of the kelp forests.

Unlike many of the planet's more hostile fauna evolved from the Precursor experiments, the Jellyray appears to be a natural evolution that thrived in the stable environments before the crash. It is often seen schooling loosely with other small creatures, creating mesmerizing patterns as they move through the water column. Their presence indicates healthy water quality and abundant plankton populations.

In Their Own Story

The hum of the Prawn Suit's thrusters faded into a gentle silence as I floated near the surface, watching the kelp sway in the current. Suddenly, a flash of violet light caught my eye. A Jellyray drifted past, its massive wings pulsing with a soft, rhythmic glow that illuminated the surrounding water. It moved with an eerie grace, trailing long, delicate tentacles that filtered the microscopic life from the ocean. For a moment, the alien world didn't feel hostile; it felt alive and ancient, a quiet ballet of light and motion in the deep blue.

Reader's Guide

The Jellyray is easily identified by its large, flat, translucent body resembling a manta ray, with long, trailing tentacles that glow with a soft purple or blue bioluminescence. It typically has a distinct head structure with two prominent eye-like spots.

These creatures are strictly filter feeders, consuming plankton and small organic particles. They are completely passive and will not attack the player under any circumstances, even if approached closely. However, they may swim away quickly if startled by loud noises or sudden movements.

Players can harvest Jellyray Tentacles using a knife or an advanced harvesting tool. This resource is essential for crafting specific items like the Jellyfish Tentacle for food or other crafting components. While they cannot be tamed or fed to follow the player, their predictable paths in kelp forests make them reliable sources of resources.

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