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🌊 Marine Data Deficient 🍽️ Edible 🌡️ Tropical

Spindle croaker

Johnius elongatus Lal Mohan, 1976
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
20 cm
Depth Zone
demersal

📖 Overview

Occurs in coastal waters. Feeds on benthic worms and crustaceans. Marketed fresh and also dried salted.

Scientific Name
Johnius elongatus
Authority
Lal Mohan, 1976
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
30 cm
Trophic Level
3.3
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 25 - 29; Anal spines: 2; Anal soft rays: 7. Snout swollen, projecting beyond the ventral mouth. Mental pores surrounded by thickened skin, produced into two short, irregular tags between the median and first lateral pores. Teeth differentiated into large and small upper jaw, those in the outer row close-set and enlarged, but not canine-like. Lower jaw teeth uniformly villiform. Sagitta with a tadpole-shaped impression, the "tail" of which is expanded and deepened as a hollow cone. Gillrakers short and narrow, 6 or 7 on lower limb of first arch. Second part of dorsal fin with 1 spine and 25-229 soft rays. Swim bladder hammer-shaped, with 13 or 14 pairs of arborescent appendages, the first branching in the head.: fusiform / normal.

🌀 Behaviour

Behavioural data for Spindle croaker is currently being reviewed.

🦐 Diet

Diet information for Spindle croaker is currently being compiled.

🥚 Reproduction

Reproduction data for Spindle croaker is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range ? - 30 m . Tropical west coast of India and Sri Lanka.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.39
Food Items

benthic worms and crustaceans

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L3.07 (TL)
Max TL
30cm
Dorsal Spines
11
Dorsal Rays
27
Anal Spines
2
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Lal Mohan, 1976

🍽️ Edibility & Flavour

"Spindle croaker 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

Detailed nutritional data for Spindle croaker is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Spindle croaker 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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