Page 70: of Marine Technology Magazine (Sep/Oct 2026)

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SUNFISH, INC. TOTAL MARINE TECHNOLOGY www.sun? sh.ai www.tmtrov.com

Sun? sh, Inc. specializes in autonomous underwater ve- Total Marine Technology (TMT) is a subsea engineering hicles (AUVs) designed for exploration, scienti? c data and technology company specializing in solutions, tooling collection, and infrastructure inspection in cluttered, and remotely operated systems for harsh marine, offshore 3D, and overhead terrain. Their robotic systems are en- and industrial environments. The company is recognized gineered to safely navigate and map hard-to-access envi- as Australia’s only designer and builder of Work Class Re- ronments, such as karst aquifers, deep marine caves, and motely Operated Vehicles (ROVs), supported by multi- municipal aqueducts, where traditional human diving disciplinary engineering, manufacturing, operations and operations are prohibitively risky or impossible. maintenance capability.

Their ? agship product is the SUNFISH AUV, a light- TMT’s offerings span ROVs, subsea tooling, well services, weight (50–60 kg), person-portable, six-degree-of-free- subsea equipment and industrial equipment, serving markets dom hovering vehicle rated to a depth of 200 meters. including offshore oil and gas, oceanographic operations,

SUNFISH operates in three modes: remotely piloted via mining and resources, defense, subsea engineering, ROV op- ? ber optic cable, supervised autonomy, and fully autono- erations, light well intervention and decommissioning.

mous without a tether. Equipped with proprietary Simul- TMT has introduced DiveTrack Vision, a digital video taneous Localization and Mapping (SLAM) technology, recording and visual logging system for ROV inspection it performs autonomous path planning, obstacle avoid- campaigns. Built for subsea operations where traceability, ance, and precision docking to create high-resolution 3D reporting con? dence and data integrity are critical, it com- sonar and visual maps. For infrastructure clients, deploy- bines multi-channel video capture, metadata, real-time ing SUNFISH has reduced traditional inspection costs overlays and event logging in one platform.

by 60% and service outage times by 96%. With automatic “black box” recording from the start of

The SUNFISH AUV recently mapped and monitored each dive, operators can capture critical footage, record water quality in Florida's Lafayette Blue Springs. By inte- survey video, take snapshots, and generate PDF dive re- grating a Seabird SUNA nitrate sensor, RTK GNSS, and ports and Excel data logs with linked video and imagery.

Cave Radiolocation (CRL), they produced georeferenced DiveTrack Vision helps streamline inspection work? ows 3D conduit maps and continuous water quality datasets. and deliver defensible, client-ready subsea data.

Sun? sh also developed SunBeam, a sensor-fusion soft- TMT maintains in-house control of the project lifecycle, ware capable of generating high-? delity, 100 km2 virtual from engineering design and manufacture through to ? eld simulation environments from raw vehicle data. support and maintenance. This integrated approach allows the company to combine workshop-based technical knowl- edge with offshore operational experience, helping custom- ers reduce project risk and improve ? eld performance.

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