Blue rockfish
📖 Overview
May be found near the surface or off the bottom, generally over shallow reefs, but also around kelp and over deep reefs . Juveniles are pelagic . Form schools, sometimes with other rockfishes . Feed mainly on krill , but also on tunicates, jellyfishes and fishes . Viviparous, with planktonic larvae . Young are important prey for fishes and other marine vertebrates .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 13; Dorsal soft rays (total): 15 - 17; Anal spines: 3; Anal soft rays: 8 - 10; Vertebrae: 26 - 27. Head spines weak to very weak - nasals present, preoculars usually present, supraocular, postocular and tympanic spines usually absent, coronal, parietal and nuchal spines absent . Eye diameter and mouth small . Deep bodied with large pectoral fins . Anal fin profile vertical or slanted posteriorly . Caudal fin indented . Blue or black in color with vague striping on forehead; lighter ventrally . Branchiostegal rays: 7 .: fusiform / normal.
🌀 Behaviour
Behavioural data for Blue rockfish is currently being reviewed.
🦐 Diet
Diet information for Blue rockfish is currently being compiled.
🥚 Reproduction
Viviparous .
🌍 Habitat & Distribution
Marine; reef-associated; depth range 0 - 550 m , usually 183 - 550 m . Subtropical; 1°C - 8°C ; 45°N - 30°N, 125°W - 115°W east from Vancouver Island in British Columbia, Canada (possibly Aleutian Islands, Alaska) to northern Baja California, Mexico.
🌿 Ecology
krill (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Blue rockfish is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19 g |
| Omega-3 (total) | 408 mg |
🔬 Mercury Safety
Mercury data for Blue rockfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | blue rockfish |
| 🇫🇷French | sébaste bleu |
| 🇵🇱Polish | Karmazyn niebieski |
| 🇪🇸Spanish | rocote azul |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .
👥 Community & Contribute
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