Manufacturer profile · No. 279

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH / QYSEAChina

Models offered7

Numbered robot profiles with use cases, key specifications and a direct detail page.

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Founded2016Company origin · China

HeadquartersShenzhen, ChinaPrimary company location

Robotics since10+ yearsFirst robotics work or public program

Scale-Latest official company indicator

Robot catalog

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd. robot models

Every model opens into its own detail page with specifications, applications, strengths and limitations.

7 models

Model 1Inspections

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH V6 PLUS

Marine & Underwater Robots

The FIFISH V6 PLUS is QYSEA's enterprise-class advanced underwater inspection ROV, designed for professional subsea inspection, measurement and operational work. It combines six-thruster 6-DOF omnidirectional mobility with a 150 m depth rating, 4K imaging, 6,000-lumen lighting, dual sonar, frontal Distance Lock, Altitude Lock, obstacle avoidance and an AR laser measurement system. Its Q-Interface also enables specialized underwater tools, while optional shore-based power supports extended professional missions.

YES. · 25/30 fps

Model 2Mining & Metals

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH E-GO

Inspection Robots

The QYSEA FIFISH E-GO is a professional modular underwater ROV capable of 360° omnidirectional movement, 3-knot speed, 2.5+ hours runtime, 100 m standard / 200 m optional depth, 5 kg payload, 4K imaging, 10,000-lumen lighting, and up to six accessory ports. It supports robotic arms, sonar, sampling tools, water-quality sensors, AI image enhancement, station keeping, and auto-cruise. However, it remains primarily a remotely operated underwater vehicle with semi-autonomous features rather than a fully autonomous robot.

Up to 120 fps · Up to 240 fps

Model 3Inspections

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH E-MASTER

Inspection Robots

The QYSEA FIFISH E-MASTER is an industrial autonomous-capable underwater ROV launched in 2025 for inspection, measurement, hydrographic survey, mapping, and offshore operations. It supports 200 m depth, 3-knot propulsion, dual Q-DVL station keeping, U-INS Plus autonomous navigation, automated path planning, smart collision avoidance, QY-MT AI measurement, QY-BT 2D/3D mapping, 4K imaging, 10,000-lumen lighting, and dual hot-swappable batteries with 150-minute runtime.

Up to 6 with expansion system · AI Diver Tracking

Model 4Inspections

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH V-EVO

Marine & Underwater Robots

The FIFISH V-EVO is a compact tethered underwater ROV manufactured by QYSEA Technology for underwater exploration, imaging, observation and light inspection. Its six-thruster propulsion system provides full 6-DOF omnidirectional movement with 360° pitch, roll and yaw, while precision hovering, Posture Lock and AI Vision Lock assist underwater operation. It features a 4K/60 fps camera with 166° ultra-wide viewing, 5,000-lumen lighting, a 100 m depth rating, speeds up to 3 knots and up to four hours of operation depending on workload. An accessory interface also supports tools such as a two-finger robotic arm and underwater metal detector.

25/30/50/60 fps; 50/60 fps requires H.264 according to QYSEA technical documentation · 1.

Model 5Inspections

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH V6 EXPERT

Marine & Underwater Robots

The FIFISH V6 EXPERT is a professional-class tethered underwater operational robot developed by QYSEA Technology for inspection, measurement, recovery and other subsea utility work. Its six-thruster propulsion provides full 6-DOF omnidirectional movement, while its 4K UHD camera, 166° wide-angle lens and 6,000-lumen lighting support detailed underwater observation. Rated to 100 m depth with a 5 kg payload capacity, it supports more than 20 tool integrations including robotic arms, samplers and inspection accessories, with optional shore-based power for substantially extended missions.

20+ current multi-tool integrations · AI Image Processing

Model 6Security & Surveillance

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH W6 NAVI

Inspection Robots

The FIFISH W6 NAVI is a professional autonomous-capable maritime ROV from QYSEA for inspection, surveying, mapping, and subsea operations. It supports 350 m depth, >3-knot speed, approximately 10 kg payload, dual 4K cameras, 12,000-lumen lighting, U-INS underwater navigation, mission planning, automatic surveying, Q-DVL station keeping, and downward collision avoidance.

2D / 3D Bathymetric Mapping · Altitude Tracking

Model 7Inspections

Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH X1

Inspection Robots

The QYSEA FIFISH X1 is an autonomous-capable Mission ROV built for offshore inspection, NDT, mapping, and subsea intervention. It reaches 4.5 knots, carries up to 15 kg, operates to 350 m depth, and combines U-INS Plus autonomous navigation, forward + downward dual Q-DVL, automatic path planning, tri-directional sonar collision avoidance, dual 4K cameras, 12,000-lumen lighting, and modular inspection/manipulation tools. With direct power, it can support continuous 24/7 operation.

3D Route Planning · Yes — QY-MT

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Shenzhen Qi Yuan Science and Technology Co., Ltd. / Shenzhen QYSEA Tech Co., Ltd.

FIFISH V6 PLUS

FIFISH E-GO

FIFISH E-MASTER

FIFISH V-EVO

FIFISH V6 EXPERT

FIFISH W6 NAVI

FIFISH X1

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