Fishheart Ltd.

Name

Fishheart Ltd.

Legal name

Fishheart Oy Ltd.

Website

https://fishheart.com

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Hydraulic Fishway Systems

NAICS

Finfish Farming and Fish Hatcheries (112511)

akta.pro primary industry

Hydropower Environmental & Fish Passage Solutions (EUACAEAJ)

akta.pro secondary industry

Aquaculture Farm Services & Operations Support (net cleaning, diving, grading, harvesting) (AFAEAAAM)

Keywords

• Hydraulic fishway systems
• Fish passage technology
• Hydropower dam solutions
• Migratory fish protection
• River restoration services

Headquarters

HQ city

Rovaniemi

HQ country

Finland

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Fishheart Hydraulic Fishway System Sales: Sale of complete hydraulic fishway systems as tailor-made solutions for hydropower plants. Systems include floating pontoon unit, control container, monitoring unit, and pipeline infrastructure. Pricing varies by installation complexity and site requirements.
2. River Restoration Services: Stream restoration services including planning, permitting, execution, and monitoring. Offered in partnership with Apajax Oy and Jami Aho engineering office. Includes spawning habitat restoration, electrofishing surveys, and salmon egg stocking using Eco Egg Boxes.
3. Eco Egg Box Sales: Sale of biodegradable fish egg boxes for salmon and trout restocking. One full box (2 dl) holds 1,000+ fish eggs. Sold through online shop at 3.5 euros per unit with minimum order of 10 units. Custom logo option available.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Fishheart designs, manufactures, and sells patented hydraulic fishway systems installed in the tailwater of hydropower plants to transport migratory fish over dams. The floating system uses AI-based fish detection (Fisheye-AI) and a siphoning-based attraction flow mechanism to move fish upstream while using only 5% of the water required by traditional fish passages. Complementary offerings include Smoltheart (downstream smolt passage), Satelliteheart (additional entry unit for wide rivers), Eco Egg Box (biodegradable fish egg stocking product), and river/stream restoration services.

Product overview

Fishheart Oy Ltd. (formerly Kalasydän Oy) offers a comprehensive solution for reviving migratory fish stocks through an integrated portfolio of products. The core offering is the Fishheart Hydraulic Fishway—a floating, AI-powered system that transports fish over hydropower dams. This is complemented by Smoltheart for downstream migration, Satelliteheart for wide-river applications, the Ecological Egg Box for natural spawning support, and Stream Restoration services for habitat rehabilitation. The Fishheart system uses artificial intelligence for fish detection and species identification, and can be programmed for different fish species, seasons, and conditions. The company operates from Rovaniemi, Finland, and has deployed systems across Finland, Sweden, USA, and Australia.

Differentiator

Problem solved

Functional benefit

Brands

• Eco Egg Box: Award-winning biodegradable fish egg box for reviving migratory fish stocks. The innovation has been proven more efficient than fish stocking. Sold through shop.fishheart.com.

Products and services

• Fishheart Hydraulic Fishway A floating hydraulic fishway device installed in the tailwater of hydropower plants that produces attraction flows to lure fish into tubing where the AI-powered Fisheye-AI detects species and size, then transports fish over the dam in a water-filled tube unharmed. Costs 20-30% of a technical fishway and only 5-10% of a fish elevator. Designed for hydropower plant operators needing cost-effective, water-efficient fish passage solutions.
• Smoltheart (Smolttisydän) A hydraulic downstream migration device for salmon and trout smolts (juvenile fish) to pass safely downstream past hydropower plants. Uses the same pipeline system as the upstream Fishheart solution, providing complete bi-directional fish migration capability.
• Satelliteheart An additional entry unit to the Fishheart fishway designed for wide rivers where one Fishheart unit may not suffice. Provides supplementary entry points and can also be integrated into underperforming traditional fish ladders.
• Ecological Egg Box (Eco Egg Box) Award-winning biodegradable fish egg box packed with roe from local hatcheries. One box (2 dl) holds 1,000+ fish eggs. Eggs hatch naturally and fry imprint on their river of birth while the box decomposes in the river. Proven more efficient than traditional fish stocking. Sold via shop.fishheart.com at 3.5€ per unit, minimum order of 10 units.
• Stream Restoration Services Comprehensive river and stream restoration services for water bodies subjected to alteration, offered in partnership with Apajax Oy and Jami Aho engineering office. Includes project planning, permit applications, rock materials sourcing, restoration execution, and post-project monitoring via electrofishing surveys. Includes spawning habitat restoration and salmon egg stocking using Eco Egg Boxes.

Quantifiable outcome

• 10x more efficient than traditional fish ladders combined
• +6 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature5 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• FirstLight PowercoreStrategic or Co-development Partner · 15 August 2025Three-year pilot project at Tunnel Hydropower Plant in Preston, Connecticut, USA. If successful, system to be permanently installed at Stevenson Hydropower Plant in Monroe. Project demonstrates technology to NOAA, US Fish and Wildlife Service, and Connecticut DEEP for approval.
• New South Wales Department of Primary Industries and Regional Development (NSW DPIRD)coreStrategic or Co-development Partner · 27 November 2024Partnership for A$6.52M fishway trial at Menindee, Lower Darling-Baaka River in Australia. Fishheart provides its hydraulic fishway technology while NSW DPIRD leads scientific monitoring under Dr. Craig Boys. Part of broader A$25M river restoration project addressing mass fish deaths from oxygen depletion.
• Kemijoki OycoreStrategic or Co-development Partner · 27 November 2024Finnish hydropower company and long-term partner. Hosted first Fishheart installation at Taivalkoski since 2019. Collaboration on Runkausjoki restoration and ongoing salmon restocking programs. Kemijoki Oy co-funded Smolttisydän development.
• Alden Research LaboratorycoreStrategic or Co-development Partner · 28 May 2024Conducted fish testing and evaluation for US pilot project at Santee Cooper. Evaluated fish wellbeing in separate tanks and published results showing 4,144 fish including 16 species successfully passed through Fishheart.
• DOE Pacific Northwest National Laboratory (PNNL)coreStrategic or Co-development Partner · 28 May 2024Collaborated on testing and evaluation of Fishheart system at Santee Cooper hydropower project in South Carolina as part of US Department of Energy funded research.
• Santee CooperminorImplementation/ SI/ Consulting Partner · 28 May 2024Hosted pilot testing of Fishheart fishway at Santee Dam and Spillway site in Pineville, South Carolina. Provided site access and operational support for 21-day test evaluating upstream passage for American Shad and herring.
• EPRI (Electric Power Research Institute)coreStrategic or Co-development Partner · 20 September 2023EPRI supervised and managed the US$1.3M pilot project at Santee Cooper in South Carolina. EPRI is responsible for project administration and evaluation. Testing focused on American shad and herring for East Coast fish species compatibility.
• Apajax OycoreStrategic or Co-development Partner · 1 June 2022River restoration cooperation partner. Apajax handles surveying, restoring plans, permit applications, and work supervision while Fishheart focuses on funding, tendering, and project management. Jointly offer natural stream solutions, river restorations, and dam demolitions.
• Ympäristötekniikan insinööritoimisto Jami AhocoreStrategic or Co-development Partner · 1 June 2022Environmental engineering partner for river restoration projects. Jami Aho responsible for surveying, restoration plans, and permit applications. Partnership enables comprehensive restoration services from inventory to follow-up monitoring.
• Thompson & Cooper PartnersminorChannel Partner/ Reseller/ DistributorAustralia Sales Office at 72 Kensington Road, Rose Park 5067, South Australia. Local representation for Australian market operations and project support.

Scale indicators13 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Tetra Tech: Large global engineering and environmental consulting firm with extensive hydropower and fisheries practices. Competes in adjacent areas (hydropower licensing, environmental impact studies, fish passage consulting) but as part of a much broader portfolio rather than specializing in hydraulic fishways.
• Stantec: Canadian-headquartered global engineering firm with significant water and environmental practices serving hydropower clients. Adjacent competitor for hydropower environmental and fish passage consulting work, but operating as a broad engineering consultancy.
• AECOM: Global infrastructure consulting firm with major water, environment, and hydropower practices. Competes for fish passage and environmental compliance work as part of broader infrastructure projects rather than as a specialized fish passage vendor.

Others

• Andritz Hydro: Austrian-headquartered global manufacturer of hydropower equipment (turbines, generators, pumps). Adjacent to Fishheart as a hydropower industry supplier; potential partner or ecosystem participant for combined turbine + fish passage solutions.
• Voith Hydro: German-headquartered global manufacturer of hydropower turbines and generators. Adjacent rather than directly competing — supplies the turbine/generator side of hydropower plants where Fishheart installs fish passage equipment.

Direct peers

• Normandeau Associates: US environmental services firm specializing in fisheries, hydropower licensing, and fish passage studies. Comparable in serving the same hydropower customer segment for fish passage and environmental compliance work, though primarily as a consultancy rather than hardware provider.
• Alden Research Laboratory: US-based hydraulic engineering and fisheries testing laboratory that evaluates fish passage technologies. Comparable as a peer providing fish passage testing, evaluation, and engineering services to hydropower operators and is also a documented Fishheart partner on the Santee Cooper pilot.
• MainStem Inc. US-based environmental services firm providing fish passage, aquatic ecology, and regulatory support to hydropower operators. Comparable as a specialist service provider competing for fish passage projects in the North American hydropower market.
• Mavi Innovations: Sweden-based developer of fish counting and monitoring systems used at hydropower and dam sites. Comparable as a Nordic-headquartered fish technology vendor with overlapping customer base (European hydropower operators) and adjacent computer-vision monitoring capability to Fishheart's Fisheye-AI.
• Whooshh Innovations: US-based developer of pressurized-tube fish passage systems for hydropower dams. Most direct competitor to Fishheart, using an alternative hydraulic approach to move fish past barriers. Comparable customer base (US hydropower operators) and value proposition (faster, cheaper, gentler fish passage).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/fishheartsystem
• LinkedInlinkedin.com/company/fishheart-ltd
• Instagraminstagram.com/ecoeggbox

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Fishheart Ltd.