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🌊 Marine 🍽️ Edible 🌡️ Temperate

Blowhole perch

Caesioscorpis theagenes Whitley, 1945
Max Length
14 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Temperate
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Blowhole perch (Caesioscorpis theagenes) is a ray-finned fish. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 14 cm. With a trophic level of 3.6, it is a mid-level predator. Commercially fished and consumed as food.

Scientific Name
Caesioscorpis theagenes
Authority
Whitley, 1945
Habitat
Marine
Climate
Temperate
Max Length
14 cm
Trophic Level
3.6
Vulnerability
10.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Caesioscorpis
Caesioscorpis
Species
Blowhole perch
Caesioscorpis theagenes

🐟 Physical Description

Physical description for Blowhole perch is currently being compiled.

🌀 Behaviour

Behavioural data for Blowhole perch is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; non-migratory. Temperate west coast of Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
14cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Temperate
Described By
Whitley, 1945

🍽️ Edibility & Flavour

"Caesioscorpis Theagenes 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 17.6 g
Omega-3 (total) 723 mg

🔬 Mercury Safety

Mercury data for Blowhole perch 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

👥 Community & Contribute

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