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How to Complete the “Photo: Rainbow Fin in Water” Quest in Arknights: Endfield

Complete Arknights: Endfield’s Rainbow Fin photo job in Jingyu Valley: find it in Environment Monitoring, ride a powered raft, and capture the fish in the water.
WorldWater” Quest in Arknights: Endfield Length2 min Posted Quest giverVGSources Team
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To complete Photo: Rainbow Fin in Water, go to Jingyu Valley in Wuling, ride a powered raft, and use the in-game photo feature to capture a Rainbow Fin while it is in the water. The task is part of the Environment Monitoring activity.

Where to find the Photo: Rainbow Fin in Water job

Environment Monitoring is a Wuling photography activity. Its job list includes Photo: Rainbow Fin in Water. The activity can be opened through Regional Development or by interacting with a Monitoring Center or Marker Stone terminal, according to the community-maintained Environment Monitoring overview. Interface labels may change between game versions.

The mission entry names Jingyu Valley as the location and specifies that you must ride a powered raft and photograph a Rainbow Fin. See the mission entry for the listed objective.

How to complete the photo objective

  1. Open Environment Monitoring through Regional Development, or interact with a Monitoring Center or Marker Stone terminal, and select the Rainbow Fin job.
  2. Travel to Jingyu Valley and locate a powered raft.
  3. Ride the raft, then use the game’s photo feature to capture a Rainbow Fin in the water. The mission objective requires both the raft ride and the photograph; simply taking a picture of a fish beside the water may not satisfy it.
  4. Check whether the job registers as complete in the activity.

A walkthrough advises keeping the Rainbow Fin visibly in the water and clearly framed in the photo. If the image does not register, try again with the fish more prominent and a tighter composition. These are walkthrough tips rather than additional conditions stated in the mission entry. ZaFrostPet’s walkthrough, published January 27, 2026, covers this photo objective.

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What to do if the photo does not count

  • Make the fish easier to identify: Reframe so the Rainbow Fin is clearly visible rather than distant or obscured.
  • Keep it in the water: The walkthrough specifically recommends capturing the fish in the water.
  • Retry with a tighter frame: Take another photo with the Rainbow Fin larger and more central in the composition.
  • Confirm the raft condition: The mission entry says to ride a powered raft, so make sure the raft is part of the attempt.
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Rewards and version notes

Environment Monitoring tracks completed jobs and rewards, but the available mission information does not establish a specific reward for this individual photo task. The objective details come from community-maintained pages and a community walkthrough, not an official patch-specific confirmation; check the live in-game job text if the interface or requirements differ.

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