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🌊 Marine 🍽️ Edible 🎣 Game Fish 🌡️ Subtropical

Atlantic butterfish

Peprilus triacanthus Peck, 1804
Peprilus Triacanthus (Peprilus triacanthus)
Peprilus Triacanthus (Peprilus triacanthus)
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
15–420 m
Climate
Subtropical
Resilience
High
Vulnerability
21.00/100
Typical Length
20 cm
Depth Zone
-

📖 Overview

Forms large schools over the continental shelf, except during the winter months when it may descend to deeper water. Juveniles are generally found under floating weeds and jellyfish. Often found in brackish waters . Nerito-pelagic . Adults feeds mainly on jellyfish , squids, arrow worms, crustaceans and worms . Marketed fresh, smoked and frozen; eaten fried, broiled and baked . Mostly frozen and exported to Japan.

Scientific Name
Peprilus triacanthus
Authority
Peck, 1804
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
Max Length
30 cm
Depth Range
15–420 m
Trophic Level
3.9
Resilience
High
Vulnerability
21.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 3; Anal spines: 3. This species is distinguished by the following characters: body oval to somewhat elongate, moderately deep (its depth 2.7 to 3 times in total length) and strongly compressed; eye medium-sized (its diameter 3.4 to 3.7 times in head length), surrounded by a small area of adipose tissue; snout short and blunt, lower jaw projecting somewhat beyond upper; mouth small, tip of maxillary not reaching to anterior eye margin; teeth in jaws very small, in a single row, while those in the upper jaw flattened and with 3 tiny cusps; dorsal and anal-fin bases very long (about equal in length), the anterior fin rays elevated, but fins not falcate, and both fins preceded by 3 short, weak, spines; caudal fin deeply forked; pectoral fins long (longer than head) and pointed; pelvic fins absent; a conspicuous series of 17 to 25 pores along anterior half of body under dorsal fin; lateral line high, following dorsal profile; scales small, present also on cheeks; caudal vertebrae 17 to 20; body color pale blue above, silvery below; numerous irregular dark spots on sides in live fish (fading after death) .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Atlantic butterfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
12cm TL

Also Ref. 101194.

🌍 Habitat & Distribution

Marine; brackish; benthopelagic; oceanodromous ; depth range 15 - 420 m , usually ? - 55 m . Subtropical; 62°N - 26°N, 87°W - 52°W

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish
Migration
Oceanodromous
Trophic Level
3.9
🐠 Schooling
Food Items

jellyfish (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.14 (TL)
Max TL
30cm
Dorsal Spines
3
Anal Spines
3

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Peck, 1804

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

🍽️ Edibility & Flavour

"Atlantic butterfish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.2 g
Omega-3 (total) 509 mg

🔬 Mercury Safety

Mercury data for Atlantic butterfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

🌐 Names & Taxonomy

Language Common Names
🇬🇧English American Butterfish · Atlantic Butterfish · Butterfish · Dollar Fish · Pumpkin Scad · Sheephead · dollarfish · pumkin-seed · shiner
🌍CES pestroun zářivý
🇫🇷French stromatée à fossettes
🇯🇵Japanese バターフィッシュ
🇵🇹Portuguese Pampo-do-Atlântico
🇷🇺Russian американская масляная рыба
🇪🇸Spanish palometa estrecha · palometa pintada

Scientific Synonyms

Scientific Name Author Year Status
Poronotus triacanthus Peck 1804 Synonym
Rhombus cryptosus Mitchill 1814 Synonym
Rhombus triacanthus Peck 1804 Synonym
Stromateus cryptosus Mitchill 1814 Synonym
Stromateus triacanthus Peck 1804 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 249 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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