
Species profile
'Opelu
Decapterus macarellus
Identify 'Opelu (Decapterus macarellus) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app. Plus current fishing rules across 1 jurisdiction.
At a glance
'Opelu (Decapterus macarellus) is an IUCN Least Concern bony-fish species with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
Confirmed by 101 research-grade iNaturalist observations across the species' range.
Notable details
- Mackerel scad grow to about 12 inches and school in large numbers in Hawaiian open water.
- Hawaii's most prized live baitfish, routinely used to target blue marlin and yellowfin tuna.
- Has a row of bony scutes along the lateral line, a hallmark of the scad family.
- Eaten fresh throughout Hawaii, often pan-fried whole or sliced raw in traditional poke.
- Schools of thousands can be taken with traditional Hawaiian throw nets near shore.
Where 'Opelu are seen
Jurisdictions with rules for 'Opelu
Background
The mackerel scad, Decapterus macarellus, is a species of fish of the family, Carangidae. While mackerel scad can be considered gamefish, they are usually used as bait. They are popular eating fish in the Hawaiian islands, where they are called `opelu.
Background excerpt adapted from Wikipedia's 'Opelu article (CC BY-SA). Visit Wikipedia for the full entry.
Other bony fish on CatchRules
Frequently asked questions
What is 'Opelu?
'Opelu (Decapterus macarellus) is an IUCN Least Concern bony-fish species with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
What is the scientific name for 'Opelu?
'Opelu is Decapterus macarellus.
Is 'Opelu regulated for fishing?
Yes — 'Opelu has fishing regulations in 1 U.S. state and/or Canadian province tracked by CatchRules. See the "Jurisdictions with rules" section above for the binding-source links.
How can I identify 'Opelu?
Take a photo with the free CatchRules iPhone app — on-device identification recognizes 'Opelu along with ~1,500 other species. No sign-up, unlimited use.
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.