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🐟 37,094 Species · 18,138+ Marine · 18,067+ Freshwater · 589 Families

The World's Most
Complete Fish Species
Encyclopedia

Detailed guides on every fish — biology, habitat, aquarium care, edibility, sustainability ratings, mercury safety, recipes and world records. Reviewed by a credentialed fisheries expert.

37,094
Fish Species
Expert reviewed
18,138+
Marine Species
Oceans & reefs
18,067+
Freshwater Species
Rivers & lakes
589
Fish Families
Full taxonomy tree
4,539+
Edible Species
Rated 1–5 stars
927+
Threatened Species
IUCN Red List
9+
World Records
IGFA sourced
3+
Fish Recipes
Full nutrition data
Taxonomy

Browse by Fish Class

Every known species organised by scientific classification — explore from class level down to individual species.

All Classes
Species Database

Featured Species

Handpicked species pages — from the popular to the extraordinary.

Browse All
Curated Collections

Explore by Species Type

Every species categorised — from aquarium keepers and anglers to food safety and sustainable shopping.

Conservation

IUCN Red List Breakdown

Conservation status across all 37,094 species in the Aquareap database, sourced from the IUCN Red List of Threatened Species.

View Endangered
LC
Least Concern
Population stable or thriving
18,377
64%
NT
Near Threatened
Close to qualifying as threatened
1,022
3.6%
VU
Vulnerable
High risk of extinction in the wild
1,662
5.8%
EN
Endangered
Very high risk of extinction
1,447
5%
CR
Critically Endangered
Extremely high risk of extinction
850
3%
EW
Extinct in the Wild
Only survives in captivity
11
0%
EX
Extinct
No living individuals remain
86
0.3%
DD
Data Deficient
Insufficient data to assess
5,247
18.3%
Taxonomy

Largest Fish Families

The most species-rich families in the Aquareap database — each linking to hundreds of individual species pages.

All Species
Sustainability

Know Before
You Buy

Aquareap's sustainability rating covers 1,890+ edible species — combining NOAA stock assessments, IUCN population data, and Monterey Bay Seafood Watch into four clear consumer ratings.

Excellent Choice
Healthy populations, low bycatch
Good Choice
Well-managed, minor concerns
Moderate — See Notes
Check sourcing and season
Avoid Currently
Overfished or serious concerns
Aquarium Corner

Complete Care Guides
for Every Tank Fish

Aquareap's aquarium section covers 1,847 species with scientifically accurate water parameters, difficulty ratings, tank mate compatibility and disease guides. Built for hobbyists, vetted by a fisheries expert.

💧
Water Parameters Database
pH, temperature range, hardness — all from structured DB fields, not buried in prose.
🐟
Tank Mate Compatibility
Compatible and incompatible species listed per fish — with links to each species page.
🔬
Fish Disease Guides
50+ disease pages with symptoms, treatment and prevention — linked from aquarium species pages.
Browse Aquarium Fish
Why Aquareap

Built for depth.
Designed for everyone.

The market position Aquareap occupies is entirely unoccupied — combining biology, nutrition, sustainability, recipes, and world records in a single platform.

26
sections per species page
35K+
species in the universe
100%
expert reviewed
API v1
nutrition + sustainability
🔬
Scientifically Accurate
Every page reviewed by a fisheries-qualified expert. Taxonomy, conservation and ecology verified against IUCN, IGFA and peer-reviewed literature.
🌍
Truly Global
Not North America only. Every species, every region, every ocean. Regional common names tracked across cultures.
🌿
Sustainability Data
NOAA stock assessments + Seafood Watch + IUCN combined into Excellent/Good/Moderate/Avoid ratings. No competitor has this.
Nutrition & Safety
Omega-3, mercury levels and FDA advisory data from USDA FoodData Central. Structured fields, not prose.
👩‍🍳
400+ Fish Recipes
Recipe pages with full nutrition data, difficulty ratings and schema markup. A first for fish encyclopedias.
📡
Structured API
The only fish species API combining biology, nutrition, sustainability, and recipe data in a single endpoint call.
Fish Kitchen

400+ Fish Recipes
with Full Nutrition Data

Every recipe includes ingredients, step-by-step instructions, nutrition per serving, difficulty rating, sustainability context and cooking equipment recommendations.

Browse All Recipes Seafood Guide
Side by Side

Species Comparisons

Auto-generated data tables, editorial key differences, and a clear verdict — including sustainability and nutrition for edible species.

All Comparisons
Nutrition & Safety

Make Informed Food Choices

Structured nutrition and safety data from USDA FoodData Central and FDA/EPA guidelines. Consumer utility, not government jargon.

Nutritional data: USDA FoodData Central · Mercury classifications: FDA/EPA Advice About Eating Fish

Topic Hubs

Explore Key Themes

Deep-dive editorial hubs aggregating species data, articles, and glossary terms around the topics that matter most.

All Topics
Editorial

From the Aquareap Editorial

In-depth guides, species rankings, recipes, sustainability features and fun facts — all hyperlinked into the species database.

All Articles
Expert Editorial
PI
Precious Iriaevho
Editor-in-Chief · Fisheries Graduate

Every Aquareap species page is reviewed by a credentialed fisheries expert before publication. Nutrition data is verified against USDA FoodData Central. Sustainability ratings are cross-referenced against NOAA stock assessments and Monterey Bay Seafood Watch.

B.Sc. Fisheries IUCN Verified IGFA Sourced USDA Nutrition Seafood Watch
Editorial Process
1
AI Draft Generation
All 26 content sections generated using structured, species-specific prompts with database-injected nutrition, sustainability and ecological data.
2
Automated Quality Check
System flags low word counts, missing nutrition fields, stale sustainability dates, and incomplete conservation data before human review.
3
Expert Review & Sign-Off
Fisheries expert reviews scientific accuracy, culinary content, nutrition sourcing and sustainability verification. Reviewed date displayed publicly on every page.
For Developers

Fish Data API

The only consumer-grade fish species API with biology, nutrition data, sustainability ratings, and recipe content — all in a single endpoint call.

📡
RESTful JSON API
Species, taxonomy, habitats, regions, comparisons, glossary, recipes and sustainability endpoints.
🌿
Nutrition + Sustainability Data
Omega-3, mercury_level, sustainability_rating, fishery_status — all per species, all in one call.
🔑
Free Tier Available
100 requests/day free. No credit card required to start building.
Free
100 req/day
$0 /mo
Basic
1,000 req/day
$19 /mo
Pro
10,000 req/day
$79 /mo
Get API Key Free
GET /api/v1/species/mahi-mahi
// Response — 200 OK { "common_name": "Mahi Mahi", "scientific_name": "Coryphaena hippurus", "edibility_score": 5, "sustainability_rating": "excellent", "mercury_level": "low", "omega3_per_100g": 897, "calories_per_100g": 109, "protein_per_100g": 23.7, "conservation_status": "LC", "trophic_level": 4.5, "is_edible": true, "is_sport_fish": true }

Start exploring 37,094 fish species

World records to recipes. Aquarium care to mercury safety. Every species, every detail.