The Siren Seafood Guide
Species Profile · New England/Mid-Atlantic, Pacific Islands, Southeast, West Coast Fishery

Almaco Jack

Seriola rivoliana

Also known as Kanpachi, Kampachi, Kahala, Hawaiian yellowtail, Songoro amberjack, Medregal, Bar jack, Hamachi, Longfin yellowtail

Culinary Profile

Almaco jack has a clean, sweet, rich, slightly nutty, buttery flavor.

Fatty yet firm, and very flaky and tender.

High in long-chain omega-3 fatty acids.

Gastronomic Specifications

Taste Almaco jack
Texture Fatty yet firm
Color Dark
Energy 146 kcal / 100g

Biology & Habitat

Appearance

Almaco jack have an elongated, slightly high-backed and laterally compressed body. Almaco jack are a dusky color with light amber/olive stripes down their sides. Their upper bodies and lower fins tend to be a dark blue-green to brown, with a much lighter underbelly that can appear almost lavender. They have a dark stripe that runs from the mouth through the eye, towards the dorsal fin.

Biology

Almaco jack can grow up to a little over 5 feet long and up to 136 pounds. On average, adults reach a length of 3 feet and weigh between 15 and 31 pounds. Almaco jack are known to form spawning groups.

Where They Live

Range Image John Galbraith holds an almaco jack on the deck of NOAA Ship Albatross IV during one of the Northeast Fisheries Science Center’s bottom trawl surveys. Credit: Northeast Fisheries Science Center Historical Photographs Almaco jack are a pelagic species of fish found in the tropical and temperate waters of the Atlantic, Gulf of America, Pacific Islands, and occasionally Southern California.

How to Buy & Source

Availability

Year-round.

Source

Wild-caught in the Atlantic, Gulf of America (formerly Gulf of Mexico), and California.In the U.S., almaco jack is currently farmed in Hawaiʻi and Florida.

Commercial Fishery & Harvest

In the South Atlantic exclusive economic zone (EEZ), authorized gear for snapper-grouper species includes bandit gear, bottom longline, buoy gear, handline, rod and reel, sea bass pot, and spearfishing gear. When fishing for or possessing snapper-grouper species in federal waters of the South Atlantic, the following regulations apply: Use of a dehooking tool is required. The use of non-stainless steel hooks is required when using hook-and-line gear with natural baits. In waters North of 28-degrees N. latitude, the use of non-offset, non-stainless steel circle hooks is required when fishing for snapper-grouper species using hook-and-line gear with natural baits.

Nutritional Benchmarking Across 111 Species

Where Almaco Jack ranks against the rest of the catalogue on each of USDA FoodData Central's per-100 g nutrient measures.

Nutrient Value Rank Percentile
Protein 23.14 g 7 / 111 94%
Selenium 36.5 µg 32 / 106 70%
Zinc 0.52 mg 46 / 111 59%
Vitamin B12 1.3 µg 68 / 106 36%
Iron 0.49 mg 68 / 111 39%
Phosphorus 157 mg 106 / 111 5%

Similar by Flavour: Other Sweet-Tasting Species

If you enjoy the sweet flavour profile of Almaco Jack, these other species in the catalogue will feel familiar on the palate.

Frequently Asked Questions

What is the texture of Almaco Jack meat?

Fatty yet firm, and very flaky and tender.

How big does Almaco Jack get?

grow up to a little over 5 feet long and up to 136 pounds.

How much protein is in 100 g of Almaco Jack?

A 100 g raw serving of Almaco Jack provides 23.14 g of protein — roughly 46% of the FDA 50 g daily value.

Is Almaco Jack a good source of vitamin B12?

Yes — Almaco Jack provides 1.3 µg of vitamin B12 per 100 g raw, which is 54% of the 2.4 µg daily value.

How much Almaco Jack is caught commercially?

In the South Atlantic exclusive economic zone (EEZ), authorized gear for snapper-grouper species includes bandit gear, bottom longline, buoy gear, handline, rod and reel, sea bass pot, and spearfishing gear. When fishing for or possessing snapper-grouper species in federal waters of the South Atlantic, the following regulations apply: Use of a dehooking tool is required.

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Sustainability Story

Smart Choice

U.S. farmed and wild-caught almaco jack is a smart seafood choice because it is grown and harvested under U.S. state and federal regulations.

Stock Structure

There are two stocks of almaco jack identified in the Southeastern United States—one stock contained in the Gulf of America Jacks Complex and one contained in the South Atlantic Jacks Complex. In the Gulf of America, almaco jack is part of the Gulf of America Jacks Complex and is not assessed, so the overfished status is unknown.

Population

The stock has never been assessed. The population level is unknown, but presumed stable.

Fishing Rate

At recommended level.

Habitat Impacts

Fishing gear used to catch almaco jack has minimal impacts on habitat.

Bycatch

Regulations are in place to minimize bycatch.

Management

NOAA Fisheries and the South Atlantic , and Gulf Fishery Management Councils manage almaco jack in federal waters. The Western Pacific Fishery Management Council manages almaco jack in federal waters of the Pacific Islands Region. In the South Atlantic, almaco jack is managed under the Fishery Management Plan for the Snapper-Grouper Fishery of the South Atlantic Region.

Data Source: NOAA Fisheries

Nutritional Profile

per 100 g raw edible portion · 17 values

Energy

Calories 146 kcal

Macronutrients

Protein 23.14 g 46% DV
Total Fat 5.24 g 7% DV
Saturated Fat 1.28 g 6% DV
Monounsaturated Fat 1.99 g
Polyunsaturated Fat 1.42 g
Cholesterol 55 mg 18% DV

Vitamins

Vitamin B12 1.3 µg 54% DV
Vitamin A 95 IU 3% DV

Minerals

Selenium 36.5 µg 66% DV
Phosphorus 157 mg 13% DV
Potassium 420 mg 9% DV
Magnesium 30 mg 7% DV
Calcium 23 mg 2% DV
Iron 0.49 mg 3% DV
Zinc 0.52 mg 5% DV
Sodium 39 mg 2% DV

Source: USDA FoodData Central (SR Legacy). %DV is percent of 2,000-kcal daily value for adults.

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Frozen available year-round.