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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Cortez rainbow wrasse

Thalassoma lucasanum Gill, 1862
Thalassoma Lucasanum (Thalassoma lucasanum)
Thalassoma Lucasanum (Thalassoma lucasanum)
Max Length
15 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–64 m
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Forms small aggregations over reefs. Feeds on suspended plankton and small hard-shelled invertebrates. Not utilized for human consumption.

Scientific Name
Thalassoma lucasanum
Authority
Gill, 1862
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
15 cm
Depth Range
0–64 m
Latitude
19°S – 33°N
Trophic Level
3.5
Resilience
High
Vulnerability
22.00/100
Water Temp
20–24 °C
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

: fusiform / normal.

🌀 Behaviour

Behavioural data for Cortez rainbow wrasse is currently being reviewed.

🦐 Diet

Diet information for Cortez rainbow wrasse is currently being compiled.

🥚 Reproduction

Spawn Location
Pelagic

Pelagic spawner. Sex reversal is completed in 2-6 weeks .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 64 m , usually 2 - 25 m . Tropical; 20°C - 24°C ; 33°N - 19°S, 114°W - 70°W

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.41
Food Items

suspended plankton and small hard-shelled invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L2.99 (TL)
Max TL
15cm

🌡️ Water Parameters & Tolerance

Temperature Range
20–24°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
33°N – 19°S
Described By
Gill, 1862

🍽️ Edibility & Flavour

"Cortez rainbow wrasse 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 18.4 g
Omega-3 (total) 170 mg

🔬 Mercury Safety

Mercury data for Cortez rainbow wrasse 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

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Cortez rainbow wrasse · Paddlefin Wrasse · bluehead wrasse
🇩🇪German Cortez-Junker · Cortez-Regenbogen-Lippfisch
🇫🇷French Girelle de Cortez
🇮🇹Italian Labro di Cortez · Tordo di Cortez
🇵🇹Portuguese Bodião-de-Cortez
🇪🇸Spanish Arcoiris De Cortes · Señorita arcoíris de Cortés · Vieja Arco Iris · Vieja De Cortes · Vieja De Cortez · Viejita cabeza azul
🇸🇪Swedish REGNBÅGSGIRELLA

Scientific Synonyms

Scientific Name Author Year Status
Julis lucasanus Gill 1862 Synonym
Thalassoma caeruleomarginata Fowler 1944 Synonym
Thalassoma steindachneri Jordan 1890 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 42 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

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View all observations for Cortez rainbow wrasse ↗
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