Javelin grunter
📖 Overview
Inhabit turbid inshore waters with sandy to muddy bottoms to a depth of 75 m. Enter estuaries, may tolerate water with low salinity. Often associated with inshore wrecks . Feed on crustaceans and fish . Spawners form shoals near river mouths during the winter. Good food fish . Taken by handline, set net, trap, and spear. Marketed fresh, a small quantity is salted or smoked .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 13 - 15; Anal spines: 3; Anal soft rays: 7. This species is distinguished by the following characters: chin with 2 pores with a median pit; D XII,13-15 (usually 14 ½); A III,7; scales ctenoid (rough to touch); lateral line scales 43-50; scales between lateral line and dorsal-fin origin 7; scales around caudal peduncle 20, 9 above lateral line and 9 below; body depth 2.5 to 3 times in standard length; head blunt, its upper profile convex; mouth small; maxilla reaching to eye; teeth in jaws arranged in villiform (brushlike) bands; swimbladder without anteriolateral horn-like extensions. Colour: juveniles brilliant silvery green above to golden silver on sides and silvery white on belly with 12 or more faint vertical bars comprised of small dark brown spots or irregular blotches; dorsal fin spotted with black-brown spots on lower half of spinous dorsal fin and in 3 rows on rayed dorsal fin; margin of soft dorsal fin darker and lower tip of caudal fin milk white; adults uniform golden green above, silvery below with traces of the vertical bars present only when alive and spots on dorsal fins indistinct or absent .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Javelin grunter is currently being reviewed.
🦐 Diet
🥚 Reproduction
Oviparous, distinct pairing during breeding .
🌍 Habitat & Distribution
Marine; brackish; reef-associated; depth range ? - 75 m . Tropical; 32°N - 32°S, 18°E - 154°E West Pacific: Red Sea and east coast of Africa to southeast Asia, north to Taiwan, south to Queensland, Australia.
🌿 Ecology
crustaceans and fish (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
🍽️ Edibility & Flavour
"Javelin grunter is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19.7 g |
| Omega-3 (total) | 137 mg |
🔬 Mercury Safety
Mercury data for Javelin grunter has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Pomadasys nageb | Rüppell | 1838 | Heterotypic |
| Pomadasyus kaakan | Cuvier | 1830 | Synonym |
| Pomodasys kaakan | Cuvier | 1830 | Synonym |
| Pristipoma kaakan | Cuvier | 1830 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 33 records indexed .
👥 Community & Contribute
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