HiTag
Revolutionizing fish research data collection

The challenge
The Large Pelagics Research Center was losing critical fish migration data. Their manual data entry system relied on fisherpeople's memories, with data entered days or weeks after catch-and-release events. This delay resulted in incomplete and inaccurate records that undermined global fish population research.
The opportunity
New fish tags carry an RFID chip, which can automate the process of tag identification via bluetooth.
The approach
Working with the Olin College of Engineering, I designed an iOS app that works with new RFID-equipped fish tags. Fisherpeople can now scan tags instantly using their phones, capturing accurate data at the moment of catch.
This transformed a weeks-delayed manual process into real-time data collection, improving both fishing experiences and scientific research quality.
The team
Team: 3 researchers, 1 iOS engineer, 1 product designer
My role: Lead Product Designer
Part 1: Understanding our users
Due to tight timeline constraints, I worked directly with the 3 marine researchers to understand three distinct user groups and their unique needs.
Commercial fishers
Monetarily incentivized to record data
They work in professional operations with structured workflows, so there is time pressure during commercial operations
They need fast, efficient data entry that doesn't disrupt fishing activities
Recreational fishers
“Citizen scientists” personally invested in conservation
They have privacy concerns about sharing their exact fishing locations
They need optional data inputs and an interface that requires minimal training for occasional, casual use
Marine researchers
Care about scientific accuracy and comprehensive data collection
Often aboard commercial and recreational vessels for data collection support
They need the ability to collect complete, accurate records with scientific precision
These insights shaped early product requirements
45-second rule: Commercial fishers revealed the entire process needed to complete in under 45 seconds to fit their operational pace.
Privacy controls: Recreational fishers' location concerns led to flexible sharing options (general region vs. precise coordinates).
Offline-first design: All user groups highlighted poor connectivity while fishing, driving our offline-capable architecture.
Progressive complexity: Mixed user technical comfort levels led to our hybrid approach—simple inputs for basic users, detailed options for researchers.
Part 2: Workflows & information architecture
I mapped the complete catch-and-release workflow and proposed two interaction approaches
Workflow 1: Step-by-step screens
Each data point on separate screens
Better for complex data entry
Supports detailed validation
Workflow 2: Single form
All inputs on one screen
Faster completion (critical for 45-second requirement)
Easier engineering implementation
The team agreed to move forward with workflow 2. It would be easier to implement and maintain, and it was faster and more flexible than ordered screens.
Part 3: Interaction design & patterns
I designed interaction patterns for challenging field requirements.
Species selection
Feedback: Researchers noted recreational users often couldn't identify species precisely -> how might we handle "unknown" species or scientific name variations?
Fuzzy search for ease-of-use for non-experts
Included "I don't know the species" option for recreational users
Implemented both common and scientific name search
Feedback: Fisherpeople are often working with the same types of species, so searching every time could be cumbersome -> how might we improve efficiency?
Added "recently used" shortcuts for efficiency
Location data
Feedback: Recreational fishers expressed strong privacy concerns about exact locations -> how might we balance research needs with user comfort?
Created flexible privacy options (general region vs. precise coordinates)
Added map interaction for area selection when users want less precision
Data entry for non-experts
Feedback: Non-researchers are sometimes unfamiliar with RFID chips and measurements like fork length -> how might we make technical details easy to understand?
Created a pattern of progressive information via sheets
Part 4: Visual design system
Accessibility for extreme conditions
The UI needed to be visible in high-glare situations. It also needed large touch targets to support usability on the rocky ocean, and have clear visual hierarchy to support speed under stress.
Design Goals: Maritime, utilitarian, and efficient.
Final design
1. Homepage -> New entry
2. Detect RFID tag
3. Add details
4. Add species
5. Add location
6. Confirm details
7. Data submitted confirmation
Results & Impact
Delivered:
Complete iOS app design ready for development
Design system and component library
Prototype for stakeholder validation and investor presentations
Current Status:
App in active development with continued design consultation
Preparing for field testing with real users
Planning user feedback integration for future iterations
Business Impact:
Enabled funding approval from research stakeholders
Created foundation for long-term scientific data improvement
Demonstrated feasibility of real-time marine research data collection