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🌊 Marine 🍽️ Edible 🎣 Game Fish 🌡️ Subtropical

Mexican rockfish

Sebastes macdonaldi Eigenmann & Beeson, 1893
Max Length
66 cm
Max Weight
2.7 kg
Lifespan
-
Trophic Level
3.8
Depth
91–350 m
Climate
Subtropical
Resilience
Very low
Vulnerability
67.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Juveniles up to 6 cm SL are pelagic . An important game fish . Viviparous, with planktonic larvae . Marketed whole or as fillet .

Scientific Name
Sebastes macdonaldi
Authority
Eigenmann & Beeson, 1893
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
Max Length
66 cm
Max Weight
2.7 kg
Depth Range
91–350 m
Trophic Level
3.8
Resilience
Very low
Vulnerability
67.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 12 - 14; Anal spines: 3; Anal soft rays: 7 - 8; Vertebrae: 26. Branchiostegal rays: 7 .: fusiform / normal.

🌀 Behaviour

Behavioural data for Mexican rockfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous

Viviparous .

🌍 Habitat & Distribution

Marine; demersal; depth range 91 - 350 m . Subtropical; 37°N - 22°N, 123°W - 108°W Central Pacific: California, USA to southern Baja California, Mexico and the Gulf of California (between 28°58'N and 26°59'N).

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3.09 (TL)
Max TL
66cm
Max Weight
2,700g
Dorsal Spines
13
Dorsal Rays
13
Anal Spines
3
Anal Rays
8
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
67.00/100
High vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Eigenmann & Beeson, 1893

🎣 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

"Mexican rockfish 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

Detailed nutritional data for Mexican rockfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Mexican rockfish 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 Mexican rockfish
🇪🇸Spanish rocote mexicano

Scientific Synonyms

Scientific Name Author Year Status
Acutomentum macdonaldi Eigenmann & Beeson 1893 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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