What Fish Are Illegal to Catch in Hawaii? Regulations, Size Limits & Protected Species

From reef to offshore fishing, Hawaii's waters are rich with life, and tightly protected by law. Wondering what fish are illegal to catch in Hawaii? This guide breaks it down clearly so you can avoid costly mistakes and fish with confidence. We'll cover protected species, fishing seasons, size limits, and more so you stay safe, legal, and respectful of local marine life. This guide will help you stay legal, safe, and respectful of local marine conservation rules.

Fully Protected Marine Species (No Take, No Touch)

These marine animals are completely off-limits in Hawaii. Catching, harming, or possessing any of the following is illegal under both state and federal law:

• Sea turtles (Honu) – Protected year-round under federal and state law; illegal to touch, harass, or possess

• Sharks and rays (Mano and Hīhīmau) – Illegal to capture, entangle, or kill

• Hawaiian monk seals (ʻĪlioholoikauaua) – Endangered species; unlawful to approach, disturb, or interact in any way

• Dolphins and whales – Fully protected under federal marine laws

What Fish Are Regulated or Illegal to Catch in Hawaii

Many of Hawaii's popular fish are regulated with strict rules on when, how, and how many you can catch. Understanding these fishing laws is key to avoiding fines and protecting native species.

Seasonal Fishing Closures

• Striped Mullet ('Ama'ama): Closed from December to March

• Threadfin (Moi): Closed from June to August

Size and Bag Limits (Examples)

• Trevally (Ulua / Pāpio): Min. size 10" (non-sale), 16" (sale); max 20 per person

• Parrotfish (Uhu): Min. size 10–14" depending on species; max 2 per angler

• Unicornfish (Kala): Min. size 14"; Bag limit: 4 (non-commercial)

• Deep 7 Bottomfish (Opakapaka, Onaga, Lehi, and others): Max 5 combined per non-commercial trip

Commercial Use & Gear Restrictions

Some species have added rules for how they can be harvested:

• Scads (Akule & 'Ōpelu): Regulated by net size, seasonal catch limits

• Anchovy & Silverside (Nehu & 'Iao): Bait license required; dried or cured sale prohibited

Island-Specific Fishing Rules

Some rules vary by island. Maui and West Hawai'i have special regulations for:

• Goatfish (Kūmū)

• Blue-lined Snapper & Whitesaddle Goatfish (Moano kea & Munu)

• Large Parrotfish (Uhu uliuli, Uhu pālukaluka)

What You Can Typically Catch on a Hawaii Fishing Charter

Want peace of mind while reeling in unforgettable catches? Booking a local charter—like Lucky Lass Haleiwa—means you won't have to worry about the fine print. Your captain knows the seasons, species, and legal limits so you can focus on the fun.

Check out Fish you can catch in Hawaii guide.

If you book with Lucky Lass Haleiwa Charters or a similar charter, you'll likely target fish that are legal and sustainable:

• Yellowfin Tuna (Ahi)

• Mahi Mahi

• Wahoo (Ono)

• Skipjack Tuna (Aku)

• Trevally (Ulua)

• Snapper (Opakapaka, Uku)

Pro tip: Always check with your charter captain or the Hawaii Division of Aquatic Resources (DAR) before your trip.

Final Tips for Fishing Legally in Hawaii

• Make sure you have a valid Hawaii fishing license if required (especially for freshwater and shoreline fishing)

• Check seasonal closures and size limits before fishing

• Follow bag limits for recreational and non-commercial fishing

• Release protected or undersized fish immediately

• Don't fish in conservation zones or marine reserves

For the most accurate information, visit the Hawaii Division of Aquatic Resources or consult the official size and bag limit charts.

FAQ: Hawaii Fishing Regulations

What fish are illegal to catch in Hawaii?

Protected species include sea turtles, monk seals, sharks, rays, dolphins, and whales. Many other species have seasonal closures or size limits.

Do I need a fishing license in Hawaii?

Yes, especially for shoreline and freshwater fishing. Most saltwater charters include licensing under their commercial permits.

Can tourists keep fish they catch in Hawaii?

Yes, depending on the species and size. Many charters like Lucky Lass allow guests to keep legal portions of their catch.

Read more about what to expect on a fishing trip.

Fish responsibly. Respect the islands. And enjoy the adventure.