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🌊 Marine Data Deficient 🍽️ Edible 🌡️ Temperate

Longsnout flounder

Ammotretis rostratus Günther, 1862
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
1–80 m
Climate
Temperate
Resilience
High
Vulnerability
23.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults occur in sandy regions of bays and offshore areas. Flesh of very high quality but individuals taken are not often sufficiently large to make preparation worthwhile .

Scientific Name
Ammotretis rostratus
Authority
Günther, 1862
Habitat
Marine
Climate
Temperate
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
30 cm
Depth Range
1–80 m
Trophic Level
3.1
Resilience
High
Vulnerability
23.00/100
Migration
Diadromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 76 - 86; Anal soft rays: 51 - 56. Body deep (55-60% SL). Snout extended into a hook-like process projecting downwards in front of small, oblique mouth. Scales ctenoid, very small, rather firmly attached on both sides. Pectoral fin rays on right side 11-13, left 9-12. Pelvic fin rays on right side 7, left 4. Caudal fin rays 14 .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Longsnout flounder 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; brackish; demersal; diadromous ; depth range 1 - 80 m . Temperate Indian Ocean: southern Australia, from southwestern Australia to New South Wales.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Migration
Diadromous
Trophic Level
3.1±0.26

📐 Morphometrics

Length–Weight Relationship: W = 0.01778 × L2.97 (TL)
Max TL
30cm
Dorsal Rays
81
Anal Rays
54

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Günther, 1862

🍽️ Edibility & Flavour

"Longsnout flounder is an edible species."

✓ Suitable 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 Longsnout flounder is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Longsnout flounder 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 (lean white fish average)

Proximate Composition
Energy90 kcal
Moisture80 %
Protein18 %
Total Fat1.2 %
Ash1.2 %
Fatty Acids (g)
Saturated Fat0.3 g
Monounsaturated Fat0.2 g
Polyunsaturated Fat0.4 g
Omega-3 Total0.3 g
EPA0.08 g
DHA0.15 g
Omega-6 Total0.05 g
Key Minerals & Vitamins
Calcium18 mg
Iron0.4 mg
Magnesium30 mg
Phosphorus200 mg
Potassium380 mg
Sodium60 mg
Zinc0.4 mg
Selenium30 µg
Vitamin B60.3 mg
Vitamin B121 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bay Flounder · Long-nosed Flounder · Long-snout Flounder · Long-snouted Flounder · Long-snouted Sole · longsnout flounder · longsnouted flounder
🇷🇺Russian Длиннорылый амотрет

Scientific Synonyms

Scientific Name Author Year Status
Ammotretis adspersus Kner 1867 Synonym
Ammotretis macleayi Ogilby 1885 Synonym
Ammotretis ovalis Saville-Kent 1893 Synonym
Ammotretis zonatus Macleay 1882 Synonym
Peltorhamphus bassensis Castelnau 1872 Synonym
Rhombosolea bassensis Castelnau 1872 Synonym
Solea uncinata Klunzinger 1879 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 31 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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