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🌊 Marine 🍽️ Edible 🌡️ Temperate

Giant stargazer

Kathetostoma giganteum Haast, 1873
Max Length
90 cm
Max Weight
-
Lifespan
20 yrs
Trophic Level
4.2
Depth
30–600 m
Climate
Temperate
Resilience
Low
Vulnerability
51.00/100
Typical Length
46 cm
Depth Zone
demersal

📖 Overview

Reported from depths between 30 m and 600 m . Buries in sea bed until suitable prey passes by. Utilized fresh and frozen; can be steamed, broiled and baked .

Scientific Name
Kathetostoma giganteum
Authority
Haast, 1873
Habitat
Marine
Climate
Temperate
Body Shape
Fusiform / normal
Max Length
90 cm
Lifespan
20 years
Depth Range
30–600 m
Trophic Level
4.2
Resilience
Low
Vulnerability
51.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 17 - 19; Anal soft rays: 17 - 18; Vertebrae: 33 - 34. This species is distinguished by the following characters: D 17-19; A 17-18; vertebrae 33-34; body rather elongate, tapering from a moderately broad, flat, bony head (width 1.1-1.4 times its length) covered with tiny blunt spines in juveniles to low radiating ridges in adults; small eyes directed upwards; bony orbital rim separated medially by naked rectangular space; mouth large, vertical, with several prominent canines between smaller canines; chin smooth; lips with short ridge-like crenulations; ventral margin of preopercle with four spine-like processes; anterior end of isthmus with a pair of prominent forward directed spines; prominent cleithral spine sheathed with skin above pectoral fin base; gill rakers on first arch 14-17, in the form of patches of fine teeth, patches narrow, teeth in three or four rows, innermost row rather long; no scales; lateral line pores in skin high on side close to base of dorsal fin; dorsal fin low, elongate, its base 67-82% of predorsal length; pectoral fins huge, fan-like; pelvic fins moderately large, length 20-25% SL .: fusiform / normal.

🌀 Behaviour

Behavioural data for Giant stargazer is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
47.5cm TL

🌍 Habitat & Distribution

Marine; demersal; depth range 30 - 600 m . Temperate; 34°S - 52°S, 158°E - 174°W Southwest Pacific: endemic to New Zealand.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
4.2±0.58

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.02 (TL)
Max TL
90cm
Dorsal Rays
18
Anal Rays
18
Vertebrae
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
51.00/100
Moderate-High vulnerability
Trophic Level
4.2
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Haast, 1873

🍽️ Edibility & Flavour

"Giant stargazer 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 18.7 g
Omega-3 (total) 679 mg

🔬 Mercury Safety

Mercury data for Giant stargazer 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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