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🌊 Marine 🍽️ Edible 🌡️ Temperate

Slender armorhead

Pentaceros wheeleri Hardy, 1983
Max Length
44 cm
Max Weight
1.2 kg
Lifespan
11 yrs
Trophic Level
3.4
Depth
146–800 m
Climate
Temperate
Resilience
Low
Vulnerability
54.00/100
Typical Length
29 cm
Depth Zone
-

📖 Overview

Slender armorhead (Pentaceros wheeleri), first described by Hardy, 1983 is a large fish in the family Pentacerotidae (order Acropomatiformes). Adults typically reach 44.00 cm in maximum length and up to 1.200 kg. Reported lifespan reaches approximately 11 years. It inhabits marine coastal and open-ocean environments. Recorded depth range: 146 to 800 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species is important as a food fish. As a member of the Pentacerotidae, it shares life-history and morphological traits with its relatives in the group.

Scientific Name
Pentaceros wheeleri
Authority
Hardy, 1983
Habitat
Marine
Climate
Temperate
Max Length
44 cm
Max Weight
1.2 kg
Lifespan
11 years
Depth Range
146–800 m
Trophic Level
3.4
Resilience
Low
Vulnerability
54.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Slender armorhead is currently being compiled.

🌀 Behaviour

Behavioural data for Slender armorhead is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
28cm TL

Observations based on the lack of occurrence of individuals older than 3 years in the seamounts may suggest that P. wheeleri may spawn in only one or two seasons and die afterwards .

🌍 Habitat & Distribution

Marine; benthopelagic; depth range 146 - 800 m , usually 400 - 600 m . Temperate; 59°N - 29°N, 135°E - 125°W North Pacific: Gulf of Alaska to North Pacific Ocean off central California and south of Japan, with center of abundance at the seamounts of the southern Emperor-northern Hawaiian Ridge.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
44cm
Max Weight
1,200g

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
54.00/100
Moderate-High vulnerability
Trophic Level
3.4
Predator
Climate Zone
Temperate
Described By
Hardy, 1983

🍽️ Edibility & Flavour

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 17 g
Omega-3 (total) 504 mg

🔬 Mercury Safety

Mercury data for Slender armorhead 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

👥 Community & Contribute

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